Re: Shuttle / Rev 0 re-visited
Richard Clark (rclarke@gscmail.gsfc.nasa.gov)
Wed, 3 Jun 1998 16:32:30 -0400 (EDT)
In view of Niel's comments I'm not sure what to think of this. It was
posted a few days ago. I leave it as an exercise for the reader to
convert these to TLEs, and verify that they correspond to actual launch
times, and all that stuff.
Richard Clark
rclarke@ltpmail.gsfc.nasa.gov
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STS-91 NOMINAL ORBITS
MECO OMS-2
EPOCH (D/HH:MM:SS.SSS): 153/22:13:38.000 153/22:49:30.888
PERIOD (MIN): 88.319 90.184
INCLINATION (DEG): 51.653 51.674
ECCENTRICITY (DEG): 0.017851 0.005772
SEMI-MAJOR AXIS (KM): 6569.4506 6661.6167
ARGUMENT OF PERIGEE (DEG): 13.743 15.072
RA OF ASCENDING NODE (DEG): 119.017 118.865
MEAN ANOMALY (DEG): 35.313 180.117
START ORBIT TIME (HHH:MM:SS.SSS)MET: 000:08:39.000 000:44:31.888
END ORBIT TIME (HHH:MM:SS.SSS)MET: 000:44:31.888 003:00:00.000
HEIGHT (KM): 98.6579 324.5021
INJECTION LATITUDE (DEG): 37.22N 12.008S
INJECTION LONGITUDE (DEG): 291.11E 74.910E
INJECTION INERTIAL AZIMUTH (DEG): 51.015 140.685
INJECTION TIME (D/HH:MM:SS.SSS): 153/22:13:38.000 153/22:49:30.888
On Wed, 3 Jun 1998, Neil Clifford wrote:
> Alexander Seidel scribbles:
>
> |>been fine, but he also saw nothing, despite clear skies. So the Shuttle,
> |>on a somewhat lower track, probably entered shadow a fraction of a
> |>minute before my output date.
>
> It entered eclipse approx. 2225 UTC (I was too busy explaining to
> on-lookers to make notes).
>
> |>I wonder if there is a Pre-OMS elset around with which to calculate
> |>the true situation well about 20 minutes in flight, approaching
> |>Europe... Do you know? Do any others of the listees know?
>
> At one time it was possible to spirit pre OMS (post MECO) state vectors
> out of JSC flight dynamics. But one day things changed and someone
> somewhere decided that this was to be strictly verboten. With a little
> bit of effort you could probably invent your own.
>
> --
> Neil Clifford * Oxford Starlink Computer Manager * clifford@astro.ox.ac.uk
>
>