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N2WWD  > SAREX    26.06.96 02:57l 63 Lines 1902 Bytes #-10970 (0) @ AMSAT
BID : 37545_KC2FD
Read: GUEST OE7FMI
Subj: STS-78 Rev 44 Orbital Data
Path: DB0AAB<DB0MWS<DB0RBS<DB0GE<LX0PAC<ON7RC<ON1BWP<ON6AR<F6CNB<K5ARH<
      KB5OGN<WZ1F<N4GAA<WA2PNU<N2BQF<KC2FD
Sent: 960623/1528Z @:KC2FD.#NLI.NY.USA.NA #:37545 [Coram, NY] $:37545_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 44 State Vector and Keplerian Elements for STS-78.  
The vector data comes from NASA; the orbital parameters re 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 = 7
Satellite Name:         STS-78
Catalog Number:         23931  96036A    
Epoch Date/Time:        96175.29388850700
                        06/23/1996  07:03:11.967 UTC
ECI X:                   6517.96495691029 km
    Y:                   -1270.1291261673 km
    Z:                   -289.70499999999 km
    Xdot:                1.36089824135795 km/s
    Ydot:                5.87291131088922 km/s
    Zdot:                4.86917200000000 km/s
ndot/2 (drag):              0.00013572552 rev/day^2
nddt/6:                       7.67512E-10 rev/day^3
Bstar:                        2.36236E-05 1/Earth Radii
Elset #:                               12
Rev @ Epoch:               44.98897581660

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   96175.29388851  .00013573  76751-9  23624-4 0   125
2 23931  39.0180 352.0618 0007710 293.3802  62.6510 16.01067436   440

Satellite: STS-78      
Catalog number: 23931
Epoch time:      96175.29388851
Element set:      12
Inclination:       39.0180 deg
RA of node:       352.0618 deg
Eccentricity:    0.0007710
Arg of perigee:   293.3802 deg
Mean anomaly:      62.6510 deg
Mean motion:   16.01067436 rev/day
Decay rate:    1.35726e-04 rev/day^2
Epoch rev:              44
Check sum:             290

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

Ken Ernandes
n2wwd@amsat.org






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