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N2WWD  > SAREX    21.01.97 03:01l 62 Lines 1916 Bytes #-10664 (0) @ AMSAT
BID : 5858_KC2FD
Read: GUEST OE7FMI
Subj: STS-81 Rev 119 Orbital Data
Path: DB0AAB<DB0KCP<DB0KFB<DB0CZ<DB0GV<DB0AIS<DB0NDK<DB0RWI<ON5VL<ON1ANR<
      ON6AR<F6CNB<WB0TAX<PU3DTA<N2MEG<KB2VLX<WA2SNA<N2ERH<KA2MSL<WA2AWG<
      N2BQF<KC2FD
Sent: 970119/2310Z @:KC2FD.#NLI.NY.USA.NA #:5858 [Coram, Ny] FBB7.00a $:5858_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
Catalog Number:         24711  97001A
Epoch Date/Time:        97019.87629166700
                        01/19/1997  21:01:51.600 UTC
EFG E:                   16010912.0000000 ft
    F:                   -2913839.0000000 ft
    G:                   -15079826.000000 ft
    Edot:                12567.5300000000 ft/s
    Fdot:                18166.5499999999 ft/s
    Gdot:                9862.60000000000 ft/s
ndot/2 (drag):              0.00002840258 rev/day^2
nddt/6:                       0.00000E+00 rev/day^3
Bstar:                        3.36519E-05 1/Earth Radii
Elset #:                               29
Rev @ Epoch:              119.83334199774

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

The following Keplerian elements were computed by VEC2TLE from this
vector using a 0.5 drag multiplier:

STS-81
1 24711U 97001A   97019.87629167  .00002840  00000-0  33652-4 0   295
2 24711  51.6513 111.6298 0011128 333.5491 326.4732 15.60485983  1194

Satellite: STS-81
Catalog number: 24711
Epoch time:      97019.87629167
Element set:      29
Inclination:       51.6513 deg
RA of node:       111.6298 deg
Eccentricity:    0.0011128
Arg of perigee:   333.5491 deg
Mean anomaly:     326.4732 deg
Mean motion:   15.60485983 rev/day
Decay rate:    2.84026e-05 rev/day^2
Epoch rev:             119
Checksum:              315

VEC2TLE may be downloaded from:

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

Ken Ernandes
n2wwd@amsat.org




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