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#500
by
gongora
on 25 Jun, 2019 01:24
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From Gizmodo - https://gizmodo.com/all-the-cool-things-going-to-space-tonight-aboard-a-spa-1835816425
"The Falcon Heavy will also release a dozen Oculus-ASR nanosatellites, each weighing 154 pounds (70 kg). Built by a student group from Michigan Technological University, these satellites will be used as targets for calibrating ground-based telescopes tasked with monitoring spacecraft in orbit."
I don't know where the classification breaks are (or if there are any official break points) but 154 pounds seems to me to be more than "nano". What I do know for sure though is that those folks up at Michigan Technological University are super awesome 
That has to be a typo. It should be 1 Oculus-ASR sat.
edit: It seems they had an editing error where they smushed together a sentence about a dozen nanosats and one about Oculus-ASR (which is a microsatellite).
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#501
by
CorvusCorax
on 25 Jun, 2019 03:21
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Hmm, less than 10 minutes and no music yet? Does that mean scrub?
Edit: now at T-4 min and still no music :-(
Edit: T-2:00 and still nothing. This can't be good.
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#502
by
techdude06
on 25 Jun, 2019 03:27
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Delayed till 2:30 edt
Sent from my SM-N960U using Tapatalk
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#503
by
CorvusCorax
on 25 Jun, 2019 03:31
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Delayed till 2:30 edt
Sent from my SM-N960U using Tapatalk
Ah, I didn't realise that was a 2 hours shift. I'll watch it from work then.
They could have updated that countdown clock a bit sooner . grrrr.
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#504
by
Lar
on 25 Jun, 2019 03:40
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Delayed till 2:30 edt
Sent from my SM-N960U using Tapatalk
Ah, I didn't realise that was a 2 hours shift. I'll watch it from work then.
They could have updated that countdown clock a bit sooner . grrrr.
It's actually a 3 hour shift
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#505
by
catdlr
on 25 Jun, 2019 03:48
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Delayed till 2:30 edt
Sent from my SM-N960U using Tapatalk
Ah, I didn't realise that was a 2 hours shift. I'll watch it from work then.
They could have updated that countdown clock a bit sooner . grrrr.
It's actually a 3 hour shift
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#506
by
emerrill
on 25 Jun, 2019 05:42
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Here is the Oculus-ASR patch. Wasn't includes in the updates thread.
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#507
by
Joseph Peterson
on 25 Jun, 2019 06:00
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Rocket getting frosty, from the NSF webcast
What's the link for this? I can't find it on Youtube.
https://www.twitch.tv/dasvaldez
Yet another reason NSF is awesome.
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#508
by
yokem55
on 25 Jun, 2019 06:40
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Almost had a heart attack seeing the infra-red startup of the booster. For a second it looked like the stage had exploded.... Phew..
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#509
by
Halidon
on 25 Jun, 2019 06:43
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Hair-raising near-miss by the center core.
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#510
by
drzerg
on 25 Jun, 2019 06:43
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looks like it almost do divert maneuver at the end of first core landing to safe droneship
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#511
by
catdlr
on 25 Jun, 2019 06:44
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Look to me that the first stage started to spin wildly on the leftmost monitor. Guessing one of the Grid fines did not deploy and went wild.
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#512
by
Lars-J
on 25 Jun, 2019 06:48
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Look to me that the first stage started to spin wildly on the leftmost monitor. Guessing one of the Grid fines did not deploy and went wild.
Doubtful, IMO. If your theory was correct, then it would never have made it as close to landing as it did.
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#513
by
kessdawg
on 25 Jun, 2019 06:50
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Center core thrust started to impinge on the dinner ship, then it started to move off course.
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#514
by
Pete
on 25 Jun, 2019 06:50
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looks like it almost do divert maneuver at the end of first core landing to safe droneship
Sure looks like it.
The initial rocket blast was pretty much dead center, so the *aim* was good.
Possibly the booster detected that it would stop short, and lacking a hover ability its only option then is to abort away from the droneship.
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#515
by
drzerg
on 25 Jun, 2019 06:53
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Look to me that the first stage started to spin wildly on the leftmost monitor. Guessing one of the Grid fines did not deploy and went wild.
Doubtful, IMO. If your theory was correct, then it would never have made it as close to landing as it did.
agree. you could even see exhaust plume on the center of droneship at some moment. something goes wrong at very last moment. may be gimbaling. terminal velocity was clearly slow
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#516
by
catdlr
on 25 Jun, 2019 06:53
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Look to me that the first stage started to spin wildly on the leftmost monitor. Guessing one of the Grid fines did not deploy and went wild.
Doubtful, IMO. If your theory was correct, then it would never have made it as close to landing as it did.
Understand. Just a guess based on the video I posted (now deleted).
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#517
by
CorvusCorax
on 25 Jun, 2019 06:53
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Look to me that the first stage started to spin wildly on the leftmost monitor. Guessing one of the Grid fines did not deploy and went wild.
I don't know which screen you mean, but just before impact, landing legs were deployed and there was no spin.
You can see the core come dead center from above the droneship (see exhaust impinge on deck) (attachement)
then the core suddenly drifts of, gives full power and flies away at extreme angle of attack, almost as if aborting the landing to save the droneship. it then hits the water way behind the dronship flying away from it.
you can see the deployed landing legs looking from behind into the engines. there was no spin
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#518
by
catdlr
on 25 Jun, 2019 06:55
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Look to me that the first stage started to spin wildly on the leftmost monitor. Guessing one of the Grid fines did not deploy and went wild.
I don't know which screen you mean, but just before impact, landing legs were deployed and there was no spin.
You can see the core come dead center from above the droneship (see exhaust impinge on deck) (attachement)
then the core suddenly drifts of, gives full power and flies away at extreme angle of attack, almost as if aborting the landing to save the droneship. it then hits the water way behind the dronship flying away from it.
you can see the deployed landing legs looking from behind into the engines. there was no spin
I totally agree with you. But I have seen in a prior landing that the engine firing could cancel out the spin. I'm not saying the spin caused the aborted landing.
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#519
by
Damon Hill
on 25 Jun, 2019 06:56
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Payloads are successfully deploying and the boosters are safely recovered, so it's still a very successful mission. Maybe a few good data points on core functionality after an extreme reentry. We'll have to wait for the evaluation and details.
