Codz
NEA Scout Wrencher
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NFL preseason games start today. Anyone else going to follow the upcoming season?
Humor Random Comments Thread
- Thread starter Tex
- Start date
ISProgram
SketchUp Orbinaut
A 185 km circular orbit is crazy low, isn't it?
Quick_Nick
Passed the Turing Test
Depends how long you want to orbit.
RisingFury
OBSP developer
I typically aim for 150 km orbit insertion if I know I'll only be staying for a few orbits or a few days...
Apollo 11 was in a 190 km circular orbit. Then again, only for one and a half of those.
ISProgram
SketchUp Orbinaut
I was thinking a spacecraft could do a full mission (>1 month) there, but then I saw GOCE, which was around 255 kilometers and STILL had to deal with atmospheric decay.
So, a better question would be, just how long could you stay in orbit if you started at a 185 circular orbit?
This whole thing started, by the way, because I noticed Silverbird's default deployment altitude was a 185 km orbit. I thought that was a low orbit to deploy into, even if the payload could maneuver itself.
So, a better question would be, just how long could you stay in orbit if you started at a 185 circular orbit?
This whole thing started, by the way, because I noticed Silverbird's default deployment altitude was a 185 km orbit. I thought that was a low orbit to deploy into, even if the payload could maneuver itself.
Fobos-Grunt took four days to come down from roughly 160x200 to reentry. So four to five days, maybe a week if you're lucky. Factors are your payload and solar activity.
Quick_Nick
Passed the Turing Test
Googled a bunch or graphs. Looks like around a week. Easily less, maybe a little more. Highly variable of course.
MaverickSawyer
Acolyte of the Probe
Codz
NEA Scout Wrencher
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Niners fan here. Hunting for Six again.
Falcons fan. Hoping for a less embarrassing season...:lol:
MaverickSawyer
Acolyte of the Probe
Falcons? Meh. Could be worse. One of my coworkers roots for the Dolphins. We tease him mercilessly about that. 
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mikusingularity
Falcons? (forty-)Niners?
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Codz
NEA Scout Wrencher
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The respective NFL (football) teams for Atlanta and San Francisco.
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mikusingularity
I already know they're American football teams, and I live in the Bay Area (I even pointed out the forty in 49ers, so it's not like I don't recognize), but I was trying to point out "Falcons" and "Niners"
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Codz
NEA Scout Wrencher
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Heh, sorry. Didn't click for me until after I replied.
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mikusingularity
If you check the bottom of O-F's main page, you will see that the "most users ever online" was 1051 on January 4 of this year. What happened on that day?
PhantomCruiser
Wanderer
I need to post that on my FB page...
Izack
Non sequitur
That's odd. It used to be a much higher number on a different day (in 2008, IIRC). Might want to ask Xyon about that.
RisingFury
OBSP developer
This is how your 'likes' on facebook helps fight hunger and disease
Yes, you should post it on your FB page. I'm sure you'll get plenty of likes. :lol:
