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Location: UFOUpDatesList.Com > 2007 > Nov > Nov 12

Re: Skylab 3

From: Michael Tarbell <mtarbell.nul>
Date: Mon, 12 Nov 2007 10:31:30 -0700
Archived: Mon, 12 Nov 2007 18:13:48 -0500
Subject: Re: Skylab 3

>From: Bruce Maccabee <brumac.nul>
>To: <ufoupdates.nul>
>Date: Sun, 11 Nov 2007 15:53:10 -0500
>Subject: Skylab 3


>If you want to find an astronaut sighting of an unidentified
>space object - USO; this one was not submerged - then here you

>Comments welcome



This is a very interesting case and analysis. A few aspects
remain unclear to me:

- Your calculation for the object size is based on an estimate
for object distance, which in turn is based on the time delay
between Skylab and the object entering earth's shadow. This
makes the implicit (and probably unwarranted) assumption that
the object is in the same orbit as Skylab, and pierces the same
point on the shadow zone surface. It would seem possible to
obtain a variety of object distances --and hence sizes-- by
relaxing this constraint, even for purely ballistic (i.e., non-
maneuvering) trajectories. I note that you consider perturbed
orbits later in the analysis, but as far as I can tell the
implications for the object size calculation are not mentioned.

- Garriott makes the claim that Skylab and the object were not
in a region of the orbit in which sunlight was passing through
earth's atmosphere (and thus reddening it). But it is
unavoidable that sunlight illuminating Skylab and the object was
passing through earth's atmosphere when both objects were in the
vicinity of the edge of the shadow zone.

- Given the potential ambiguities in the object distance/size
estimate, must we not consider the possibility, as per a recent
Space Shuttle mission, that the object was a piece of debris
somehow jettisoned from Skylab itself?



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