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HR1RBB > SAREX    24.06.96 06:09l 63 Lines 1942 Bytes #-10972 (0) @ AMSAT
BID : 19298_HR1PAQ
Read: GUEST OE7FMI
Subj: STS-78 Rev 15 Orbital Data
Path: DB0AAB<DB0FSG<DB0SL<DB0RGB<OK0PPL<OK0PKL<OK0PPR<OK0PRG<OK0PAB<PU3DTA<
      WB0TAX<K5ARH<KB5OGN<KA1XN<V31LO<HR1PAQ
Sent: 960621/2303Z @:HR1PAQ.#TGU.HON.CEAM #:19298 [Tegucigalpa] FBB5.15c
From: HR1RBB@HR1PAQ.#TGU.HON.CEAM
To  : SAREX@AMSAT

Subject: STS-78 Rev 15 Orbital Data


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

Below is the rev 15 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:        96173.50125578700
                        06/21/1996  12:01:48.499 UTC
EFG E:                           16938215 ft
    F:                             779934 ft
    G:                           13725453 ft
    Edot:                        -1286.34 ft/s
    Fdot:                        24130.97 ft/s
    Gdot:                          222.28 ft/s
ndot/2 (drag):              0.00013200042 rev/day^2
nddt/6:                       7.26162E-10 rev/day^3
Bstar:                        2.35758E-05 1/Earth Radii
Elset #:                                5
Rev @ Epoch:               15.24776279058

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   96173.50125579  .00013200  72616-9  23576-4 0    54
2 23931  39.0143   4.0637 0007869 281.3346 167.8600 16.00622230   153
Satellite: STS-78      
Catalog number: 23931
Epoch time:      96173.50125579
Element set:       5
Inclination:       39.0143 deg
RA of node:         4.0637 deg
Eccentricity:    0.0007869
Arg of perigee:   281.3346 deg
Mean anomaly:     167.8600 deg
Mean motion:   16.00622230 rev/day
Decay rate:    1.32000e-04 rev/day^2
Epoch rev:              15
Checksum:              265

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

Ken Ernandes
n2wwd@amsat.org





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