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N2WWD  > SAREX    25.05.96 11:06l 60 Lines 1723 Bytes #-11003 (0) @ AMSAT
BID : 32593_KC2FD
Read: GUEST OE7FMI
Subj: STS-77 Rev 78 Orbital Data
Path: DB0AAB<DB0MWS<DB0RBS<DB0SEL<DB0ZDF<DB0SRS<DB0SIF<DB0NHM<DB0EAM<DB0GV<
      DB0GE<LX0PAC<ON7RC<ON1BWP<ON6AR<F6CNB<WB0TAX<KO4KS<N4HHP<N4GAA<N2BQF<
      KC2FD
Sent: 960524/0606Z @:KC2FD.#NLI.NY.USA.NA #:32593 [Coram, NY] $:32593_KC2FD
From: N2WWD@KC2FD.#NLI.NY.USA.NA
To  : SAREX@AMSAT


         S T S - 7 7   O R B I T A L   D A T A

Below is the rev 78 Earth-Centered Inertial (ECI) state vector for 
STS-77.  This vector data comes from NASA GSFC OIG RAID RBBS.

Vector format = 7
Satellite Name:         STS-77
Catalog Number:         23870  96032A    
Epoch Date/Time:        96145.25124004600
                        05/24/1996  06:01:47.139 UTC
ECI X:                   -1388.4452978617 km
    Y:                   -6343.8333841215 km
    Z:                   1465.51500000000 km
    Xdot:                6.24419704152222 km/s
    Ydot:                -0.3121867969549 km/s
    Zdot:                4.56801800000000 km/s
ndot/2 (drag):              0.00005014275 rev/day^2
nddt/6:                       1.05015E-10 rev/day^3
Bstar:                        1.09206E-05 1/Earth Radii
Elset #:                               15
Rev @ Epoch:               78.05681032477

Launch was 19-MAY-96 / 10:30:00.080 UTC

The following Keplerian elements were computed by VEC2TLE from this
vector using a 0.12 drag multiplier:

STS-77      
1 23870U 96032A   96145.25124005  .00005014  10502-9  10921-4 0   157
2 23870  39.0097 241.4664 0008998 297.8735  82.5785 15.97114208   780

Satellite: STS-77      
Catalog number: 23870
Epoch time:      96145.25124005
Element set:      15
Inclination:       39.0097 deg
RA of node:       241.4664 deg
Eccentricity:    0.0008998
Arg of perigee:   297.8735 deg
Mean anomaly:      82.5785 deg
Mean motion:   15.97114208 rev/day
Decay rate:    5.01428e-05 rev/day^2
Epoch rev:              78
Check sum:             331

VEC2TLE may be downloaded from:
ftp.amsat.org /amsat/software/PC/util

Ken Ernandes
n2wwd@amsat.org





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