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N2WWD  > SAREX    20.01.97 01:32l 63 Lines 1936 Bytes #-10666 (0) @ AMSAT
BID : 5252_KC2FD
Read: GUEST OE7FMI
Subj: STS-81 Rev 86 Orbital Data
Path: DB0AAB<DB0KCP<DB0KFB<DB0CZ<DB0GE<LX0PAC<ON5VL<ON4RAT<ON1ANR<ON6AR<
      F6CNB<WB0TAX<KO4KS<N4HHP<N4GAA<WA2PNU<N2BQF<KC2FD
Sent: 970118/0056Z @:KC2FD.#NLI.NY.USA.NA #:5252 [Coram, Ny] FBB7.00a $:5252_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 Docke
Catalog Number:         24711  97001A
Epoch Date/Time:        97017.83514351900
                        01/17/1997  20:02:36.400 UTC
EFG E:                   12480039.0000000 ft
    F:                   17837566.0000000 ft
    G:                   -4277365.0000000 ft
    Edot:                -9595.8600000000 ft/s
    Fdot:                11305.6000000000 ft/s
    Gdot:                19164.1599999999 ft/s
ndot/2 (drag):              0.00003062281 rev/day^2
nddt/6:                       0.00000E+00 rev/day^3
Bstar:                        3.64228E-05 1/Earth Radii
Elset #:                               21
Rev @ Epoch:               86.96051436348

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 Docke
1 24711U 97001A   97017.83514352  .00003062  00000-0  36423-4 0   216
2 24711  51.6487 121.9000 0008649 303.2977  42.4980 15.60417265   867

Satellite: STS-81 Docke
Catalog number: 24711
Epoch time:      97017.83514352
Element set:      21
Inclination:       51.6487 deg
RA of node:       121.9000 deg
Eccentricity:    0.0008649
Arg of perigee:   303.2977 deg
Mean anomaly:      42.4980 deg
Mean motion:   15.60417265 rev/day
Decay rate:    3.06228e-05 rev/day^2
Epoch rev:              86
Checksum:              292

VEC2TLE may be downloaded from:

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

Ken Ernandes
n2wwd@amsat.org




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