Author Topic: Soyuz-2.1a - Progress MS-16 (№445) - 15 February 2021 (04:45 UTC)  (Read 46124 times)

Offline russianhalo117

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Wouldn't fairing striking the manned module be critical enough to warrant some serious downtime to study and get verifications (like an unmanned cargo flight)? Seems like some fixes were concocted the first time around, but how you go from there to test it on a next manned flight?

These are already unmanned flights (Progress =! Soyuz)

The Soyuz fairing is a completely different design.

The fairing damage in these occasions is most probably NOT due to the fairing itself impacting the vehicle, but rather either some overpressure or fragment damaging it. Notice damage appears to be caused *forward* from the direction of motion, while the fairing falls rearward.
What we have seen on several flights is top of the fairing recontacting on jettison the folded antennas and their hinged MMOD panels due to the changed aerodynamic environment from earlier jettison time to further reduce mass penalties from the previous analogue Soyuz launchers. the transition to the jettison profile used by other payload fairings on Soyuz-2 family. Soyuz-MS can't use the new jettison profile due to the PLF still functioning as a LAS when Progress-MS and all other Soyuz payloads have their jettisoned.

See https://russianspaceweb.com/progress-ms-16.html for a public explanation.

Offline zubenelgenubi

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Cross-posts; ISS re-boosts:

May 20
https://tass.ru/kosmos/11354615
Google translate:
Quote
MOSCOW, May 12. / TASS /. The next correction of the International Space Station (ISS) orbit in preparation for the launch of the Soyuz MS-19 manned transport vehicle will take place on May 20. This is stated in the message of Roskosmos, circulated on Wednesday.
"In order to form the initial ballistic conditions before the launch of the Soyuz MS-19 manned transport spacecraft and the Soyuz MS-18 landing on May 20, 2021, the next correction of the orbital altitude of the International Space Station is planned," the state corporation noted. Roskosmos, the maneuver will be carried out using the Progress MS-16 cargo vehicle. According to the calculated data of the ballistic and navigation support service of the TsNIIMash Flight Control Center, its engines will be turned on at 20:01 Moscow time and will work for 180 seconds, the impulse will be 0.2 m / s. "After this maneuver, the average altitude of the ISS will increase by 350 m and will amount to 419.72 km," the press service added.

https://tass.ru/kosmos/11418765
Google translate:
Quote
According to preliminary data, the maneuver will be carried out using the propulsion system of the Progress MS-16 cargo vehicle. It will be on at 20:01 Moscow time. The engines will run for 180.7 seconds. The impulse value will be 0.2 m / s. "After carrying out the corrective maneuver, the average altitude of the ISS orbit will increase by 0.35 km," the state corporation said.

The average altitude of the ISS orbit after correction will be 419.69 km.

June 24
COMMENT |       EVENT       |       TIG        | ORB |   DV    |   HA    |   HP    |
COMMENT |                        |       GMT       |        |   M/S   |   KM    |   KM    |
COMMENT |                        |      (MET)      |        |  (F/S)  |  (NM)   |  (NM)   |
COMMENT ===================================================
COMMENT  GMT175 Reboost Preli  175:02:25:00.000             0.5     427.2     411.4
COMMENT                       (174/02:25:00.000)           (1.6)   (230.7)   (222.1)
COMMENT
COMMENT ===================================================

June 24 02:25  ISS orbit's reboost by Progress MS-16 (77P) engines (dt=TBD s, dV=+0.5 m/s, dH=TBD km)

COMMENT
COMMENT |       EVENT        |       TIG        | ORB |   DV    |   HA    |   HP    |
COMMENT |                    |       GMT        |     |   M/S   |   KM    |   KM    |
COMMENT |                    |      (MET)       |     |  (F/S)  |  (NM)   |  (NM)   |
COMMENT =============================================================================
COMMENT  GMT175 Reboost        175:02:40:00.000             0.5     427.2     411.5
COMMENT                       (174/02:40:00.000)           (1.6)   (230.7)   (222.2)
COMMENT =============================================================================


Pirs detachment from ISS, using Progress MS-16 as a space tug.
https://www.nasa.gov/multimedia/nasatv/schedule.html#.V9B_0DXTt1o
Quote
<snip>
July 17, Saturday
10:15 a.m. – Coverage of the Undocking of the International Space Station Progress 77 Cargo Craft and the Pirs Docking Compartment from the International Space Station (Undocking scheduled at 10:41 a.m. EDT) (All Channels)
<snip>
« Last Edit: 06/23/2021 11:14 am by zubenelgenubi »
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Offline PM3

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Undocking has been postponed because of the Nauka delay. No new date yet.
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Offline zubenelgenubi

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Cross-post; my bold:
07/08/2021

The launch of the "Science" module is scheduled for July 21

In accordance with the decision of the State Commission, the launch of the Proton-M launch vehicle with a new laboratory module Nauka from launch pad No. 200 of the Baikonur cosmodrome is scheduled for July 21, 2021 at 17:58:21 Moscow time. Reserve dates - July 22 and 23. Its flight to the International Space Station will last 8 days, and docking to the nadir port of the Zvezda service module is scheduled for July 29, tentatively at 16:26 Moscow time.

In this regard, undocking of the Progress MS-16 transport cargo vehicle together with the Pirs docking module, whose place on the ISS will be taken by the Nauka module, is scheduled for July 23 (subject to the Nauka launch on July 21). Entry into the dense layers of the atmosphere and further flooding of the non-combustible structural elements of the ship and the module will occur in the non-navigable area of ​​the Pacific Ocean 4 hours after undocking.
<snip>
https://www.roscosmos.ru/31746/
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Offline zubenelgenubi

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Cross-post:
July 13, 2021
MEDIA ADVISORY M21-081
NASA TV to Air Launch of Space Station Module, Departure of Another

NASA will provide live coverage of a new Russian science module’s launch and automated docking to the International Space Station, and the undocking of another module that has been part of the orbital outpost for the past 20 years. Live coverage of all events will be available on NASA Television, the NASA app, and the agency’s website.
<snip>
...On Friday, July 23, the uncrewed ISS Progress 77 spacecraft will undock from the Russian segment of the station while attached to the Pirs docking compartment. With Pirs attached, Progress 77 is scheduled to undock at 9:17 a.m. [EDT]. Live coverage of undocking will begin at 8:45 a.m. [EDT]. A few hours later, Progress’ engines will fire in a deorbit maneuver to send the cargo craft and Pirs into a destructive reentry in the Earth’s atmosphere over the Pacific Ocean. Deorbit and reentry will not be covered on NASA TV.
<snip>
EDT + 4 hours = UTC
« Last Edit: 07/17/2021 04:11 pm by zubenelgenubi »
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Offline centaurinasa

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NASA TV coverage of Pirs and  Progress MS-16 (77P) undocking.
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Offline Rondaz

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On the ISS, work on undocking the Pirs module was postponed for a day.

On the ISS, work on undocking the Pirs module, which will be replaced by Nauka, was postponed for a day

12:48 22.07.2021 (updated: 13:38 22.07.2021)

MOSCOW, July 22 - RIA Novosti. Preparatory work on undocking the old Russian Pirs module with the International Space Station (ISS) has been postponed for a day, a specialist from the Mission Control Center near Moscow told the cosmonauts .

Undocking of Pirs is scheduled for July 23, it will have to make room for the new Nauka module, launched into orbit yesterday.

"So, guys, more global changes today. All work on the JI (the Pirs docking compartment - ed.) Has been canceled, they have been postponed until tomorrow," said the Center's specialist to cosmonauts Oleg Novitsky and Peter Dubrov .

He did not specify what the transfer of preparatory work is connected with and whether this will affect the date of the Pirs undocking.

Docking of Nauka to the ISS is scheduled for July 29.

The undocking of the old Russian Pirs module from the ISS has been postponed from July 23 to July 24, a specialist at the Houston Mission Control Center told the station commander, Japanese Akihiko Hoshida.

"Aki, while you are in touch, I want to let you know that we have received information from our Russian colleagues that the undocking of Pirs will be postponed until Saturday," said Hoshide, a specialist at the Center.

The press service of Roscosmos told RIA Novosti that "the decision on the time of undocking the Pirs module from the ISS will be made after routine calculations and operations."

https://ria.ru/20210722/kosmos-1742357231.html

Offline Rondaz

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The date of undocking and flooding of the Pirs module has been determined

07/22/2021 21:55

Experts of the rocket and space industry, having analyzed the data obtained from the telemetry of the "Science" module, decided to schedule the flooding of the "Pirs" module  on July 24, 2021.

A few hours after undocking, the spacecraft-module bundle will be de-orbited and flooded in the non-navigable region of the Pacific Ocean.

https://www.roscosmos.ru/31972/

Offline Rondaz

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Crewmembers Focus on Science and Prepare for Upcoming Dockings and Undockings

Mohi Kumar Posted on July 22, 2021

A delay in the undocking events scheduled for tomorrow gave the crew of Expedition 65 aboard the International Space Station extra time to focus on training, science, and maintenance today.

Russia’s Multipurpose Laboratory Module (MLM) launched on July 21, and to provide more time for Russian flight controllers to check out MLM’s status, the undocking of the Russian Progress 77 and Pirs docking compartment has been postponed until Saturday, July 24. The space station crew has been notified. Progress 77 undocking with the Pirs docking compartment is now scheduled for 8:28 am EDT. Live coverage on NASA TV, the agency’s website, and the NASA app will begin at 8 am.

On Thursday, June 29, MLM is scheduled to dock at the station. Named Nauka, after the Russian word for “science,” MLM will serve as a new science facility, docking port, and spacewalk airlock for future operations.

Once Pirs and Progress 77 are decoupled from the station on Saturday, they will undergo a de-orbit maneuver that will send it towards Earth’s to disintegrate in Earth’s atmosphere. In preparation, Russian Cosmonauts Pyotr Dubrov and Oleg Novitskiy performed a series of maintenance tasks today.

https://blogs.nasa.gov/spacestation/2021/07/22/crewmembers-focus-on-science-and-prepare-for-upcoming-dockings-and-undockings/

Offline Rondaz

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Russia’s Pirs ISS module will be sunk on July 24.

Pirs was launched to the ISS on September 15, 2001 from the Baikonur Cosmodrome

22 JUL, 16:06

MOSCOW, July 23. /TASS/. The Pirs module of the Russian International Space Station (ISS) segment will be sunk in the ocean on Saturday, the Russian space agency, Roscosmos, told TASS on Thursday.

"Rocket space industry specialists analyzed the data received from the Nauka module’s remote reading and decided to schedule the sinking of the Pirs module (SO1) for July 24," the agency underlined.

Pirs was launched to the ISS on September 15, 2001 from the Baikonur Cosmodrome.

The Pirs module is currently docked to the Zvezda service module’s nadir port. It is planned that after Pirs is detached it will be replaced by the Nauka multipurpose scientific module which was launched from Baikonur on Wednesday.

https://tass.com/science/1316843

Offline Rondaz

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Undocking of the Pirs module from the ISS was postponed for a day.

Undocking of the Pirs module from the ISS was again postponed for a day

23:25 07/23/2021

MOSCOW, July 23 - RIA Novosti. Undocking from the International Space Station (ISS) of the old Russian Pirs module, which is to make way for the new Nauka module, has been postponed from July 24 to 25, a specialist at the Houston Mission Control Center told the station's crew .

"The current plan for undocking Progress from Pierce is not planned until Sunday," the center's specialist, whose talks are broadcast on the NASA website, told the astronauts .

Earlier, Roskosmos has already postponed the undocking of the Progress MS-16 cargo vehicle with the Pirs module from the ISS and their deorbiting from 23 to 24 July. This operation should free up the ISS Russian Segment docking station to receive the Nauka multipurpose laboratory module launched on July 21. According to official data from Roskosmos, the docking is scheduled for July 29.

Earlier in a number of Russian and foreign online media there was information about the malfunctions of the module's systems. However, on July 22, Roskosmos reported that two starts of the module's propulsion system had been worked out regularly.

In case of emergency situations, the module is insured for 9.2 billion rubles in AlfaStrakhovanie .

The Pirs module was launched and docked to the ISS in 2001. It was used for spacewalks from the Russian segment of the station.

https://ria.ru/20210723/pirs-1742635070.html
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Offline Rondaz

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BREAKING NEWS: #Pirs undocking has again been pushed back by one day to Sunday! #MLM #Nauka #ISS Source: #ISS livestream, evening DPC, #Houston Capcom to the #ISS crew.

https://twitter.com/Ian_Benecken/status/1418651788773928960

Offline centaurinasa

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To boldly go where no human has gone before !


Offline centaurinasa

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« Last Edit: 07/24/2021 02:36 pm by centaurinasa »
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Offline centaurinasa

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« Last Edit: 07/24/2021 08:36 pm by centaurinasa »
To boldly go where no human has gone before !

Offline centaurinasa

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To boldly go where no human has gone before !

Offline Rondaz

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Undocking of the Pirs module from the ISS was postponed from 25 to 26 July

23:35 07/24/2021

OSCOW, July 24 - RIA Novosti. Undocking from the International Space Station (ISS) of the old Russian Pirs module, which is to make room for the new Nauka module, has been postponed from July 25 to 26, a Houston mission control center specialist told the station commander Akihiko Hoshida .

"Progress's undocking with Pierce has now been pushed back to Monday morning," said Hoside, a center specialist whose talks are being broadcast on NASA's website .

Earlier, the undocking of the Progress MS-16 cargo vehicle with the Pirs module from the ISS and their removal from orbit was postponed twice - from 23 to 24 July, then to 25 July. This operation should free up the ISS Russian Segment docking station to receive the Nauka multipurpose laboratory module launched on July 21. Its docking is scheduled for July 29.

Earlier in a number of Russian and foreign online media there was information about the malfunctions of the module's systems. However, later " Roskosmos " reported that the module's propulsion system activations had been worked out regularly.

In case of emergency situations, the module is insured for 9.2 billion rubles in AlfaStrakhovanie .

The Pirs module was launched and docked to the ISS in 2001. It was used for spacewalks from the Russian segment of the station.

https://ria.ru/20210724/mks-1742738666.html

Offline centaurinasa

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« Last Edit: 07/25/2021 02:17 pm by centaurinasa »
To boldly go where no human has gone before !

Offline centaurinasa

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To boldly go where no human has gone before !

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