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- Path: sparky!uunet!sun-barr!olivea!stratus!florida!lpb
- From: lpb@florida.swdc.stratus.com (Len Bucuvalas)
- Newsgroups: sci.astro
- Subject: Re: Space Poop Message Deleted?
- Message-ID: <8273.8335@stratus.SWDC.Stratus.COM>
- Date: 9 Sep 92 00:16:25 GMT
- References: <1861fdINNoov@usenet.INS.CWRU.Edu>
- Sender: news@SWDC.Stratus.COM
- Distribution: usa
- Lines: 52
-
- In article <1861fdINNoov@usenet.INS.CWRU.Edu> bj368@cleveland.Freenet.Edu (Mike E. Romano) writes:
- >
- >On Wednesday Sept 2 1992 I posted a message entitled: Space Poop
- >about debris orbiting earth.
- >That was about 7 pm California time...about an hour later a
- >Mr. Steuven replied to my posting with a "what's your point"
- >sort of response, etc.
- >AMAZING....
- >Now the next day I find my original positing was entirely
- >missing from the newsgroup as well as Mr. Steuven's.
- >Who does this: and isn't this supposed to be an un moderated
- >newsgroup?
-
- Interesting.... I thought that only the Moderator or the
- Original Poster could do that! hmmm......Can you say
- POLITICS??? Shuuure you can! ;^)
-
- >Anyway here we go again:
- >
- >Since 1957 more than 3,300 launches have produced 7,000
- >trackable objects currently in orbit, equalling approx 3000
- >tons of man made material. Of these 7000 catalogued objects
- >only 400 are operational satellites.
- >and fragments including lens covers, separations bolts and
- >clamp bands.
- >Further, there are from 30,000 to 70,000 smaller objects
- >but larger than 1 cm which have not been catalogued. Any
- >pieces in this size range can damage spacecraft.
- >
- >Through the effect of air drag these objects continue to
- >lose altitude and eventually rain down to earth.
- >Objects above the altitude of 1000 km are in the geo
- >stationery orbit and will remain there for 1000 years
- >orbitting the planet some 5 million times and posing
- >a constant hazard of collision with other objects.
- >Most of these objects have a velocity of at least 3 km/sec
- >Interactive collisions in earth orbits will eventually
- >generate sufficient debris to create a dense Debris Belt
- >and prevent further launchings.
- >see for example July 1992 Acta Astronautica, etc.
- >--
- > Mike Romano Univ. Calif. Berkeley
-
- I saw something about this on this group and my question would
- concern orbital decay. When where and how much of it.
-
- Len
- --
- *@*@*@*@*@*@*@*@*@*@*@*@*@*@*@*@*@*@*@*@*@*@*@*@*@*@*@*@*@*@*@*@*@*@*@*
- The accountability of government has gone to the point where the very
- use of the law is the instrument of illegality.
- -- Ralph Nader @ Harvard Law School, 1/15/92
-