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N2WWD  > SAREX    20.01.97 01:30l 63 Lines 1932 Bytes #-10666 (0) @ AMSAT
BID : 5244_KC2FD
Read: GUEST OE7FMI
Subj: STS-81 Rev 82 Orbital Data
Path: DB0AAB<DB0KCP<HB9OS<DB0KFB<DB0CZ<DB0GE<LX0PAC<ON5VL<ON4RAT<ON1ANR<
      ON6AR<F6CNB<WB0TAX<KO4KS<N4HHP<N4GAA<WA2PNU<N2BQF<KC2FD
Sent: 970117/1412Z @:KC2FD.#NLI.NY.USA.NA #:5244 [Coram, Ny] FBB7.00a $:5244_KC
From: N2WWD@KC2FD.#NLI.NY.USA.NA
To  : SAREX@AMSAT

Below is the current State Vector and Keplerian Elements for STS-81.
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 telnet: oig1.gsfc.nasa.gov (UserID = oig /
Password = goddard1).

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

Vector format = 117
Satellite Name:         STS-81 Dock
Catalog Number:         24711  97001A
Epoch Date/Time:        97017.54435069444
                        01/17/1997  13:03:51.899 UTC
EFG E:                   18064820.0000000 ft
    F:                   -9796102.0000000 ft
    G:                   8397867.00000000 ft
    Edot:                13556.5000000000 ft/s
    Fdot:                10141.1700000000 ft/s
    Gdot:                -17301.169999999 ft/s
ndot/2 (drag):              0.00003034640 rev/day^2
nddt/6:                       0.00000E+00 rev/day^3
Bstar:                        3.62415E-05 1/Earth Radii
Elset #:                               20
Rev @ Epoch:               82.41975832379

Launch was 12-JAN-97 / 09:27:23.056 UTC

The following Keplerian elements were computed by VEC2TLE from this
vector using a 0.55 drag multiplier:

STS-81 Dock
1 24711U 97001A   97017.54435069  .00003035  00000-0  36242-4 0   209
2 24711  51.6532 123.3624 0008188 289.2903 221.8414 15.60316185   826

Satellite: STS-81 Dock
Catalog number: 24711
Epoch time:      97017.54435069
Element set:      20
Inclination:       51.6532 deg
RA of node:       123.3624 deg
Eccentricity:    0.0008188
Arg of perigee:   289.2903 deg
Mean anomaly:     221.8414 deg
Mean motion:   15.60316185 rev/day
Decay rate:    3.03464e-05 rev/day^2
Epoch rev:              82
Checksum:              284

VEC2TLE may be downloaded from:

ttp://www.amsat.org/amsat/sarex/orbit.html

Ken Ernandes
n2wwd@amsat.org




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