SpaceX and other space news updates

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PJYoung
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Chance of rain starting Wednesday
TexAgs91
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nortex97 said:


Will be fun to see, if these work. I read these are essentially also getting dispensed by an 'all new' pez dispenser mechanism that was re-engineered almost entirely. I believe they only ever attempted/dispensed 3 dummy satellites on earlier missions (2 of them).

WDR for tomorrow was cancelled, so I am not sure if that means Tuesday launch is off the table now or not.


These satellites are going to fly in formation with ship as it reenters for as long as possible?

Or just before reentry and then will get out of the way?
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Kenneth_2003
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I stayed at a Holiday Inn Friday night so that's how much I know. That said...

They don't have any capability to navigate or self propulse. So there's no maneuvering capability. What they do have is vastly different mass and more importantly different aerodynamic properties. They also cannot stop the momentum they gained when they were ejected from Starship, so they will just continually drift away from the ship on their similar suborbital trajectory.

Maybe the two with cameras have a small set of thrusters for attitude control.
nortex97
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Just pictures before re-entry. I think they are testing different attachment techniques so want to see what is shaken loose by the ascent.

As expected:
TexAgs91
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Kenneth_2003 said:

I stayed at a Holiday Inn Friday night so that's how much I know. That said...

They don't have any capability to navigate or self propulse. So there's no maneuvering capability. What they do have is vastly different mass and more importantly different aerodynamic properties. They also cannot stop the momentum they gained when they were ejected from Starship, so they will just continually drift away from the ship on their similar suborbital trajectory.

Maybe the two with cameras have a small set of thrusters for attitude control.

Yeah, that bolded part is why I said 'as long as possible'. Which I know isn't very long at all. And you wouldn't want something in the path ahead of ship during reentry anyways. It would shower ship with debris and probably collide with it.

If the satellites have no maneuvering capability, then I guess ship would have to roll to give the satellite views of all sides before rotating into reentry orientation. Seems they'd want at least some gyros in the satellites to maintain whatever orientation they need.
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TexAgs91
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Do we think that with a new starship version, POGO might be an issue again?
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PJYoung
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TexAgs91 said:

Do we think that with a new starship version, POGO might be an issue again?


I mean i would think not based on what they have learned.
TexAgs91
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Block 2 was different enough from Block 1 that Block 2 had POGO issues that could only be observed and diagnosed in flight right?

Block 3 is also different from Block 2. Seems like the potential could still be there.
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nortex97
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TexAgs91 said:

Block 2 was different enough from Block 1 that Block 2 had POGO issues that could only be observed and diagnosed in flight right?

Block 3 is also different from Block 2. Seems like the potential could still be there.

The potential for harmonic/vibration issues is real, and static/ground testing failed to identify that on V2 of course, but I think they have significantly strengthened the structures internally (and baffles etc) and learned quite a bit from those issues for this one, so I hope it's not a significant problem again, in any case.

They made a bunch of changes even in V2 after flight 7, so I would be surprised if they didn't incorporate 'lessons learned' into this iteration to prevent a re-occurrence of that 'issue' here.
Kenneth_2003
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TexAgs91 said:

Kenneth_2003 said:

I stayed at a Holiday Inn Friday night so that's how much I know. That said...

They don't have any capability to navigate or self propulse. So there's no maneuvering capability. What they do have is vastly different mass and more importantly different aerodynamic properties. They also cannot stop the momentum they gained when they were ejected from Starship, so they will just continually drift away from the ship on their similar suborbital trajectory.

Maybe the two with cameras have a small set of thrusters for attitude control.

Yeah, that bolded part is why I said 'as long as possible'. Which I know isn't very long at all. And you wouldn't want something in the path ahead of ship during reentry anyways. It would shower ship with debris and probably collide with it.

If the satellites have no maneuvering capability, then I guess ship would have to roll to give the satellite views of all sides before rotating into reentry orientation. Seems they'd want at least some gyros in the satellites to maintain whatever orientation they need.


If they perform raptor relight they'll certainly move ahead of the sim-sats.
PJYoung
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Just got back from our 5 days at SPI and the wind was blowing every day but this morning was worse - gusting over 50 at the airport in Brownsville!

Looks like big rain this week starting Tuesday night so I wonder when this launch is actually gonna happen.
PJYoung
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Rumored a 23 year old lost his life at working at Starbase last week.





The victim was a contractor employed through a third party construction company, so not a direct SpaceX employee.
SpaceX employees go through extensive safety training and OSHA monitoring, whilst contractors operate under their own companies management and safety enforcement.

My thoughts and prayers go out to the victim's family, friends, and colleagues during this difficult time.
PJYoung
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OnlyForNow
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Don't think more safety training is gonna help with what seems like equipment failure and then getting hit by a beam.
nortex97
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It's an industrial manufacturing site, these are inherently dangerous, no doubt. Sad for the loss but I don't think it's indicative of a poor 'safety culture.'

ETA: Thursday now.
PJYoung
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it's 5:30 central still

Quote:

The launch window will open at 5:30 p.m. CT.

TexAgs91
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Just thought I'd leave this here...

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PJYoung
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PJYoung
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PJYoung
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normaleagle05
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Quote:

"There is not enough water in the water system to support the launch of Starship" at such a scale, Quilty said.

Stereotypically terrible MSM quote. What does the author think that means? Did the guy he's supposedly quoting actually say that as a sentence? Part of a larger sentence?

The water system is too small!
Kenneth_2003
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PJYoung said:




Not a calibrated space banana. Scale provision invalidated
normaleagle05
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WDR today loaded prop about half way, then quit, detanked and ran a deluge test. Reasonable guess by NSF that quitting on prop load was an abort that probably wasn't intended.

Tankers are stacked down Hwy 4 to refill the tank farm.

PJYoung
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PJYoung
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Tailgate88
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The rest of the above post:

Quote:

BREAKING: SpaceX has officially filed its S-1 registration statement with the US SEC ahead of its record-setting IPO.

Details include:

1. SpaceX intends to list its shares on the Nasdaq under ticker symbol $SPCX

2. SpaceX posted Q1 2026 revenue of $4.69 billion

3. Elon Musk will be CEO, CTO, and Chairman of the Board after the IPO

4. SpaceX holds $15.8 billion in cash as of March 31st

5. SpaceX is seeking to raise a record $80 billion in its IPO with an expected IPO date of June 12th

More details to come shortly on this historic IPO.

will25u
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Kenneth_2003
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We'll never know of course... I'm really curious what the early investment rounds were to valued at per share compared to the upcoming Class A's that will be listed. I presume there are a multitude of share classes from various early investors and they're all being rolled/converted into the Class A Public shares, and probably at different values with earlier investors/earlier rounds getting the absolute best.

They mention the 5:1 split in the soon to be Class A common shares earlier this month. I presume this is just to increase total tradeable shares and get the price down to levels that individual investors can afford.

OKCAg2002
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Soooo…this feels like an investment that will print money. To make this political, how long before Congress argues antitrust laws because they hate Elon? Certainly he's going to make them a lot of money, too.
will25u
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YellowPot_97
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So if the everyday Joe uses one of these services, they can purchase stocks on the 12th?
hph6203
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Future.
Tailgate88
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torrid
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YellowPot_97 said:

So if the everyday Joe uses one of these services, they can purchase stocks on the 12th?

It will be trading on the NASDAQ under SPCX, so I expect the high-frequency trading computers to gobble up all the shares then immediately dump them on the market. The question is will the exchange computer systems be able to keep up with all the frenzy. It would not surprise me if there was some sort of technical crash due to be overloaded.
TyHolden
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Today the day?
I hope I did not offend anybody with this post. If I did, please come see me at my address in my profile so we can talk.
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