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Corrected STS-93 Nominal Orbital Data

The previous STS-93 Nominal Orbital Data Message had incorrect information:
The launch date and time was for the recent STS-96 mission.  This
information has been corrected below to reflect the 1999-JUL-20 0436 UTC
scheduled launch time for STS-93.  I regret any inconvenience this error may
have caused.

Below is the current State Vector and Keplerian Elements for
STS-93.  The vector data comes from NASA; the Keplerian Elements
were computed from the vector.

This file may be read by VEC2TLE version 9648 to update your
Keplerian Elements text file.

Vector format = 10117
Satellite Name:         STS-93 OMS-2
Catalog Number:         99993
Epoch MET:                  0.03008908565
                           0/00:43:19.697 MET
EFG E:                    9596533.7733649 ft
    F:                   17258525.1300330 ft
    G:                   -9399732.6040708 ft
    Edot:                -21545.358129499 ft/s
    Fdot:                  9134.411962136 ft/s
    Gdot:                 -5217.489150606 ft/s
ndot/2 (drag):              0.00018250050 rev/day^2
nddt/6:                       1.39345E-09 rev/day^3
Bstar:                        4.42562E-05 1/Earth Radii
Elset #:                                1
Rev @ Epoch:                1.67900900186

Launch scheduled: 1999-JUL-20 0436 UTC

Note that 99993 is a temporary Catalog Number.  A permanent Catalog
Number and International Designator will be assigned when STS-93 is

The following Keplerian elements were computed by VEC2TLE from this
vector, using a 0.5 drag multiplier:

STS-93 OMS-2
1 99993U          99201.22870020  .00018250  13934-8  44256-4 0    14
2 99993  28.4662 199.3456 0003191 302.7331 301.7244 15.95038814    15

Satellite: STS-93 OMS-2
Catalog number: 99993
Epoch time:      99201.22870020
Element set:       1
Inclination:       28.4662 deg
RA of node:       199.3456 deg
Eccentricity:    0.0003191
Arg of perigee:   302.7331 deg
Mean anomaly:     301.7244 deg
Mean motion:   15.95038814 rev/day
Decay rate:    1.82501e-04 rev/day^2
Epoch rev:               1
Checksum:              286

VEC2TLE may be downloaded from <http://www.mindspring.com/~n2wwd>.

Ken Ernandes

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