Author Topic: Electron : CAPSTONE : LC-1 : 28 June 2022 (09:55 UTC)  (Read 83763 times)

Offline Svetoslav

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Re: Electron : CAPSTONE : LC-1 : 28 June 2022 (09:55 UTC)
« Reply #340 on: 09/24/2022 05:22 pm »
I've been following DSN Now on their website https://eyes.nasa.gov/dsn/dsn.html .

Earlier today I noticed there was a long uplink session. After that, there was a continuous, uninterrupted signal. I've been closely monitoring the downlink for the past hour and I didn't see any interruptions like before.

I can only hope the detumble operation has been successful and hopefully we'll soon get confirmation about that.

Offline Vultur

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Re: Electron : CAPSTONE : LC-1 : 28 June 2022 (09:55 UTC)
« Reply #341 on: 09/26/2022 05:46 pm »
Any updates on CAPSTONE status?

Offline ccdengr

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Re: Electron : CAPSTONE : LC-1 : 28 June 2022 (09:55 UTC)
« Reply #342 on: 09/26/2022 06:10 pm »
I haven't seen anything official.  I happened to see the Madrid DSN pass on DSN Now this morning about 0900 PDT and near the end of the track it was not staying in lock, but that may have been due to low antenna elevation.

Offline Svetoslav

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Re: Electron : CAPSTONE : LC-1 : 28 June 2022 (09:55 UTC)
« Reply #343 on: 09/29/2022 09:09 pm »
CAPSTONE happily transmitting continuously.

Hello, NASA? Advanced Space? I'm thinking about you... Please, share something... We haven't seen an update for more than a week.

https://eyes.nasa.gov/dsn/dsn.html

Online jimvela

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Re: Electron : CAPSTONE : LC-1 : 28 June 2022 (09:55 UTC)
« Reply #344 on: 09/30/2022 01:23 pm »
CAPSTONE happily transmitting continuously.

Hello, NASA? Advanced Space? I'm thinking about you... Please, share something... We haven't seen an update for more than a week.

https://eyes.nasa.gov/dsn/dsn.html

Advanced Space is likely still working furiously on the issue.
In the previous updates, finding the spacecraft tumbling, power negative, with the prop system thermally unsuitable (presumably too cold for firing a small RCS), and the wheels saturated is *NOT* a good place to be.

It seems from those updates that they were going to try and re-execute the de-tumble from tipoff (Launch), but were working through a bunch of items needed to be able to execute that.

Since they haven't posted any updates, it's safe to assume that they're still furiously working on troubleshooting and working to execute that recovery maneuver.

They're also likely being very careful as it would be easy to make things much worse.
I'd bet they're also pretty stressed from having a small team effectively going non-stop working a major mission anomaly.

That they recovered to a place where they were at least power positive, communicative, and thermally improving is a great recovery in its own right.

A stuck thruster at the end of a DV maneuver would be mission ending for many missions, so it's been a remarkable result even to get to where they last reported.

As an aside, I know some of this team personally from work on another mission, and these are the character of folks you'd want handling something really challenging. (I have no direct knowledge about CAPSTONE, all of the above is only my opinion.)

Offline ccdengr

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Re: Electron : CAPSTONE : LC-1 : 28 June 2022 (09:55 UTC)
« Reply #345 on: 09/30/2022 03:57 pm »
Every time I've caught a track on DSN Now, it was not stable (switching between carrier and data and/or the data rate changing).  That suggests to me that they are still spinning.

Used to be a nice twitter bot https://twitter.com/dsn_status that showed every transition, but it quit working some time ago unfortunately.

Online FutureSpaceTourist

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Re: Electron : CAPSTONE : LC-1 : 28 June 2022 (09:55 UTC)
« Reply #346 on: 09/30/2022 06:47 pm »
https://advancedspace.com/capstone-30sep22-update/

Quote
CAPSTONE Mission: 30 September 2022 Update
Sep 30, 2022 | CAPSTONE Mission

On September 21st, we provided an update on the CAPSTONE mission. Below is a new update.
The CAPSTONE mission team is continuing to work towards recovery of the spacecraft full three-axis control. This work includes collecting information from the spacecraft, running simulations, and refining recovery plans. The vehicle remains stable and power positive in its current configuration.
Updates will be provided as available.

Online FutureSpaceTourist

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Re: Electron : CAPSTONE : LC-1 : 28 June 2022 (09:55 UTC)
« Reply #347 on: 10/07/2022 07:34 pm »
https://blogs.nasa.gov/Artemis/2022/10/07/capstone-team-stops-spacecraft-spin-clearing-hurdle-to-recovery/

Quote
CAPSTONE Team Stops Spacecraft Spin, Clearing Hurdle to Recovery

CAPSTONE team members successfully executed an operation to stop the spacecraft’s spin on Friday, Oct. 7, clearing a major hurdle in returning the spacecraft to normal operations.

Following a planned trajectory correction maneuver on Sept. 8, CAPSTONE suffered an issue that caused the spacecraft to spin beyond the capacity of the onboard reaction wheels to control and counter. Data from the spacecraft suggests the most likely cause was a valve-related issue in one of the spacecraft’s eight thrusters. The partially open valve meant the thruster produced thrust whenever the propulsion system was pressurized. The mission team extensively reviewed telemetry and simulation data and conducted multiple tests on the spacecraft in order to formulate a plan to stop the spacecraft’s spin despite this issue.

Recovery commands were executed Friday morning. Initial telemetry from CAPSTONE and observation data points to a successful maneuver, indicating the spacecraft has stopped its spin and regained full 3-axis attitude control, meaning CAPSTONE’s position is controlled without unplanned rotation. CAPSTONE now has oriented its solar arrays to the Sun and adjusted the pointing of its antennas to provide a better data connection to Earth.

The risks of this anomaly and recovery process were significant, and the team worked extensively and collaboratively to mitigate these risks. Over the coming days, the team will monitor the spacecraft status and make any needed adjustments to procedures in order to account for and mitigate the effects of the partially open thruster valve. The mission team also will work to design possible fixes for this valve-related issue in order to reduce risk for future maneuvers. CAPSTONE remains on track to insert into its targeted near rectilinear halo orbit at the Moon on Nov. 13.

CAPSTONE – short for Cislunar Autonomous Positioning System Technology Operations and Navigation Experiment – is owned by Advanced Space on behalf of NASA. The spacecraft was designed and built by Terran Orbital. Operations are performed jointly by teams at Advanced Space and Terran Orbital.

Read the full update from Advanced Space. Additional updates will be provided, as available.

Author Sarah Frazier
Posted on October 7, 2022 3:11 pm
Categories Uncategorized
Tags CAPSTONE, Cubesats, Gateway, Moon

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Re: Electron : CAPSTONE : LC-1 : 28 June 2022 (09:55 UTC)
« Reply #348 on: 10/07/2022 07:35 pm »
https://advancedspace.com/capstone-mission-recovery-success-update/

Quote
CAPSTONE Mission Operations Update: Initial Recovery Successful
Oct 7, 2022 | CAPSTONE Mission

Over the past couple of weeks, the CAPSTONE mission team has been working to resolve an anomaly that occurred early last month and resulted in the spacecraft losing full 3-axis attitude control and entering into a spin stabilized state.

Through extensive analysis and evaluation supported by a dedicated team of individuals on the mission team and key partners, the most likely cause of the anomaly was identified as a valve related issue on one of the spacecraft’s eight (8) thrusters. The partially open valve resulted in thrust from the associated thruster whenever the propulsion system was pressurized. To attempt a recovery from this condition, the mission team conducted multiple tests on the vehicle and evaluated extensive telemetry and simulation data and then formulated a plan for attempting recovery of the vehicle’s full 3-axis control.

This recovery sequence was uploaded to the spacecraft yesterday (Thursday) and was executed early this morning (Friday 10/7). Initial telemetry and observation data after the recovery attempt points to a successful recovery of the system which has now regained 3-axis attitude control. The updated spacecraft attitude has oriented the spacecraft solar arrays to the Sun and implemented an orientation for the downlink antennas which significantly improves data downlink performance as compared to the pre-recovery attitude. This is a major accomplishment for the mission team and positions the mission well for upcoming critical activities and arrival at the Moon. The risks of this anomaly and recovery process were significant and the team worked extensively and collaboratively to mitigate these risks through disciplined engineering analysis and review. Over the coming days, the spacecraft status will be monitored while the team works to evaluate subsequent changes to the spacecraft operating procedures so that upcoming critical events can be conducted in the possible presence of a valve that remains partially open. In parallel, the mission team will work to design possible fixes for this valve related issue to further reduce the risk of future propulsive operations. The CAPSTONE mission team is grateful for the public and private support provided to the team during this challenging phase of the mission. Many thanks to the collaborative efforts and many hours of hard work from the CAPSTONE mission team and partners including Terran Orbital, NASA, NASA’s Deep Space Network (DSN), Stellar Exploration, and Advanced Space. Consistent with our goal to operate the mission in a safe and transparent way, we will continue to provide updates as information is available. CAPSTONE remains on track to insert into its targeted Near Rectilinear Halo Orbit at the Moon on November 13th.

CAPSTONE – short for Cislunar Autonomous Positioning System Technology Operations and Navigation Experiment – is owned by Advanced Space on behalf of NASA. The spacecraft was designed and built by Terran Orbital. Operations are performed jointly by teams at Advanced Space and Terran Orbital.
« Last Edit: 10/07/2022 07:36 pm by FutureSpaceTourist »

Offline PM3

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Re: Electron : CAPSTONE : LC-1 : 28 June 2022 (09:55 UTC)
« Reply #349 on: 10/07/2022 07:59 pm »
https://advancedspace.com/capstone-mission-recovery-success-update/

Quote
CAPSTONE Mission Operations Update: Initial Recovery Successful

Great achievement by the Advanced Space team! Congrats, and godspeed on the way to the moon!
"Never, never be afraid of the truth." -- Jim Bridenstine

Offline Phil Stooke

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Re: Electron : CAPSTONE : LC-1 : 28 June 2022 (09:55 UTC)
« Reply #350 on: 10/31/2022 06:00 pm »
https://s3.us-west-2.amazonaws.com/advspace.publicshare/Papers-Presentations/2022/Gardner_Unique-CubeSat-Platform-Cislunar-Space.pdf

CAPSTONE summary paper from IAC.  It states that the end of mission will be disposal either to heliocentric orbit or to the lunar surface.


https://s3.us-west-2.amazonaws.com/advspace.publicshare/Papers-Presentations/2022/Parker_Pathfinder-for-the-Lunar-Gateway.pdf

Summary of ops to the time of IAC.
« Last Edit: 10/31/2022 06:03 pm by Phil Stooke »

Online FutureSpaceTourist

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Re: Electron : CAPSTONE : LC-1 : 28 June 2022 (09:55 UTC)
« Reply #351 on: 10/31/2022 07:09 pm »
https://advancedspace.com/capstone-tcm4-success-update/

Quote
CAPSTONE Count Down – Just 2 Weeks Away
From Moon Arrival

Oct 31, 2022 | CAPSTONE Mission

Advanced Space Data Analysis Shows Recent Trajectory Maneuver was Successful

Westminster, CO (October 31, 2022) Advanced Space LLC., a leading space tech solutions company with breakthrough navigation technology, completed its fourth trajectory correction maneuver (TCM) for CAPSTONE on Thursday. TCM-4 was the fourth of six planned maneuvers en route to the Moon, targeting the precise orbit for the CAPSTONE demonstration. This follows the restoration of the spacecraft’s capabilities as it has recovered from the anomaly that occurred after TCM-3.

The Cislunar Autonomous Positioning System Technology Operations and Navigation Experiment, CAPSTONE, spacecraft mission will test the lunar Near Rectilinear Halo Orbit (NRHO) that is the intended orbit for Gateway, a lunar space station that will support NASA’s Artemis program, making CAPSTONE the first milestone launch of the Artemis program. The primary mission is planned for at least 6 months of operations orbiting the Moon, with enhanced mission opportunities in the following 12 months.  CAPSTONE has already contributed insights with shared navigation and operational data to the Artemis I rideshare payloads that will assist them in their mission operations.

Recently, the Deep Space Network (DSN) performed a test with NASA’s Lunar Reconnaissance Orbiter (LRO) to confirm that LRO could receive and return the signal CAPSTONE will be using to interact with the spacecraft as part of the CAPS software demonstrations once it arrives at the Moon.

“The CAPSTONE team at Advanced Space, Terran Orbital, and their partners has shown great resilience over the past several weeks. Now, as CAPSTONE approaches lunar orbit, we are looking forward to getting into more of the technology demonstrations that are part of this mission and gathering operational data with the spacecraft in orbit at the Moon,” said Christopher Baker, program executive for the Small Spacecraft Technology program in NASA’s Space Technology Mission Directorate. “CAPSTONE is a great example of the work we can do with our commercial partners, small businesses, and small spacecraft.”

CAPSTONE launched on June 28th. It is a 12U, 55-pound CubeSat built by Terran Orbital. Using a fuel-efficient Ballistic Lunar Transfer (BLT) method, CAPSTONE’s journey from launch to lunar orbit is a total of four months. A key feature of the BLT is that the mission operations and commissioning have the time during transit to evaluate performance and complete thorough check-out of systems before arriving at the Moon. As expected, the cruise thus far has focused on preparing the spacecraft for its mission at the Moon.

 “This TCM confirms the preparation, extensive analysis, teams working together and continued hard work to allow this mission to remain successful, especially following the recent anomaly,” said Alec Forsman, Systems Engineering Lead and Mission Operations Manager for CAPSTONE at Advanced Space, “Every activity provides many lessons learned before our arrival at the Moon. These experiences better prepare the team for lunar operations.”

Some numbers from the TCM include:

Maneuver telemetry shows that the spacecraft propulsion system fired for the nominal duration of approximately 220 seconds.
At the time of maneuver execution, the spacecraft was approximately 308,076 miles or 495,800 km from the Earth (~14 times further than the GEO belt and ~69,200 miles or 111,400 km further than the Moon).
CAPSTONE has been flying solo in space for over 100 days (125 days since launch, 119 days since separation).

A primary mission objective is to demonstrate autonomous spacecraft-to-spacecraft navigation services that will allow future spacecraft to determine their location in space without relying exclusively on tracking from Earth. This technology was developed by Advanced Space and is called CAPS™, the Cislunar Autonomous Positioning System.

“What is amazing about this team at Advanced Space is how they execute. CAPSTONE is one of the many important projects that we have delivered successfully to our customers,” said Tom Gardner, Director of Engineering and Program Manager for CAPSTONE. “We have the great fortune of working with interplanetary projects to Mars and other planets, on AI in space, XGEO Awareness, and other novel space technologies. Each team member ensures success with them all and the interdependencies become a benefit to our customers and our industry as whole.”

Online FutureSpaceTourist

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Re: Electron : CAPSTONE : LC-1 : 28 June 2022 (09:55 UTC)
« Reply #352 on: 10/31/2022 07:12 pm »
https://twitter.com/nasaames/status/1587166864387735552

Quote
MISSION UPDATE: Our #CAPSTONE spacecraft completed a successful trajectory correction maneuver on Oct. 27.

The #CubeSat is no longer in safe mode and remains on track for arrival to lunar orbit on Nov. 13:

https://blogs.nasa.gov/artemis/2022/10/31/capstone-completes-successful-maneuver-teeing-up-moon-orbit/

Quote
CAPSTONE Completes Successful Maneuver, Teeing Up Moon Orbit

The CAPSTONE spacecraft successfully completed a trajectory correction maneuver on Thursday, Oct. 27, teeing up the spacecraft’s arrival to lunar orbit on Nov. 13.

CAPSTONE is no longer in safe mode following an issue in early September that caused the spacecraft to spin. The team identified the most likely cause as a valve-related issue in one of the spacecraft’s eight thrusters. The mission team will design future maneuvers to work around the affected valve, including the two remaining trajectory correction maneuvers scheduled before CAPSTONE’s arrival to orbit at the Moon.

CAPSTONE – short for Cislunar Autonomous Positioning System Technology Operations and Navigation Experiment – is owned by Advanced Space on behalf of NASA. The spacecraft was designed and built by Terran Orbital. Operations are performed jointly by teams at Advanced Space and Terran Orbital.

Author Gianine Figliozzi   Posted on October 31, 2022 3:31 pm
Categories Uncategorized
Tags CAPSTONE, Cubesats, Gateway, Moon

Online FutureSpaceTourist

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Re: Electron : CAPSTONE : LC-1 : 28 June 2022 (09:55 UTC)
« Reply #353 on: 11/06/2022 06:09 pm »
Still on track

https://twitter.com/advancedspace/status/1589331853059710978

Quote
Only 1 week left on the #CAPSTONE countdown! Next Sunday, we will execute a maneuver to enter NRHO around the #Moon. Our #spacecraft has been traveling for over 100 days & will be the first commercially owned #CubeSat to orbit the Moon. https://advancedspace.com/missions/capstone/

#innovation2orbit

Offline Asteroza

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Re: Electron : CAPSTONE : LC-1 : 28 June 2022 (09:55 UTC)
« Reply #354 on: 11/06/2022 09:53 pm »
Any news on the associated Photon stage?

Online FutureSpaceTourist

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Re: Electron : CAPSTONE : LC-1 : 28 June 2022 (09:55 UTC)
« Reply #355 on: 11/12/2022 04:40 pm »
Nice animation of Capstone manoeuvre

https://twitter.com/advancedspace/status/1591480986595954690

Quote
TOMORROW, #CAPSTONE will execute an #NRHO Insertion Maneuver. NIM & the subsequent correction maneuvers ensure that CAPSTONE accurately inserts onto the NRHO. Without NIM, or with a poorly executed NIM, CAPSTONE will fly by the Moon without entering into orbit.

#innovation2orbit

Online FutureSpaceTourist

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Re: Electron : CAPSTONE : LC-1 : 28 June 2022 (09:55 UTC)
« Reply #356 on: 11/13/2022 06:35 am »
https://twitter.com/planet4589/status/1591646834421747712

Quote
The CAPSTONE probe entered the lunar gravitational sphere of influence at 1009 UTC Nov 12 after its excursion to Sun-Earth L1.  It will reach periline of 1750 km at 0038 UTC Nov 14, and make an orbit insertion burn shortly after to head to the distant retrograde lunar halo orbit

Offline Rondaz

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Re: Electron : CAPSTONE : LC-1 : 28 June 2022 (09:55 UTC)
« Reply #357 on: 11/13/2022 09:39 am »
According to @NASA the updated time for the insertion burn is 0:18 UTC Nov. 14.

https://twitter.com/_starbase_/status/1591656654784929793

Offline Rondaz

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Online FutureSpaceTourist

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Re: Electron : CAPSTONE : LC-1 : 28 June 2022 (09:55 UTC)
« Reply #359 on: 11/14/2022 12:41 am »
https://twitter.com/nextspaceflight/status/1591969509824405507

Quote
CAPSTONE has arrived in near-rectilinear halo orbit
 – Jim Free confirms on the call.
« Last Edit: 11/14/2022 12:42 am by FutureSpaceTourist »

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