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N2WWD  > SAREX    23.06.96 19:55l 67 Lines 1910 Bytes #-10973 (0) @ AMSAT
BID : 37234_KC2FD
Read: GUEST OE7FMI
Subj: STS-78 Rev 31 Orbital Data
Path: DB0AAB<DB0KCP<HB9OS<HB9H<HB9OK<IW2FPO<IK2UUB<I2REO<IW2KTL<IK2FMJ<
      IW4CNQ<IW4CRL<I4FP<IK5CKL<IK5MEP<I5SGG<FLR1GW<WX3K<WB7AWL<WB0TAX<
      K5ARH<KB5OGN<WZ1F<N4GAA<N2BQF<KC2FD
Sent: 960622/0754Z @:KC2FD.#NLI.NY.USA.NA #:37234 [Coram, NY] $:37234_KC2FD
From: N2WWD@KC2FD.#NLI.NY.USA.NA
To  : SAREX@AMSAT


         S T S - 7 8   O R B I T A L   D A T A

Below is the rev 19 State Vector and Keplerian Elements for STS-78.  
The vector data comes from NASA; the orbital parameters were computed 
from the vector.  Hourly vector updates are available from NASA GSFC 
OIG RAID RBBS at (301) 262-6782 or by telnet: oig1.gsfc.nasa.gov 
(UserID = oig / Password = goddard1).

Vector format = 117
Satellite Name:         STS-78
Catalog Number:         23931  96036A    
Epoch Date/Time:        96174.50009953704
                        06/22/1996  12:00:08.600 UTC
EFG E:                           16974688 ft
    F:                             484675 ft
    G:                           13690587 ft
    Edot:                          233.92 ft/s
    Fdot:                        24139.93 ft/s
    Gdot:                        -1134.47 ft/s
ndot/2 (drag):              0.00013452543 rev/day^2
nddt/6:                       7.54092E-10 rev/day^3
Bstar:                        2.36818E-05 1/Earth Radii
Elset #:                                9
Rev @ Epoch:               31.26126495081

Launch was 20-JUN-96 / 14:49:00.093

The following Keplerian elements were computed by VEC2TLE from this
vector using a 0.25 drag multiplier:

STS-78      
1 23931U 96036A   96174.50009954  .00013453  75409-9  23682-4 0    98
2 23931  39.0142 357.3736 0007920 286.6909 167.3644 16.00869774   314

Satellite: STS-78      
Catalog number: 23931
Epoch time:      96174.50009954
Element set:       9
Inclination:       39.0142 deg
RA of node:       357.3736 deg
Eccentricity:    0.0007920
Arg of perigee:   286.6909 deg
Mean anomaly:     167.3644 deg
Mean motion:   16.00869774 rev/day
Decay rate:    1.34525e-04 rev/day^2
Epoch rev:              31
Checksum:              323

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

Ken Ernandes
n2wwd@amsat.org









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