PREDICTED STS-37 ORBITAL ELEMENTS
2-LINE KEPLERIAN FORMAT


STS-37
1 00037U          91 95.64719907  .00023000           17236-3 0    62
2 00037  28.4678 237.2312 0006745 281.2842  78.7272 15.37848888    21

Satellite: STS-37
Epoch time:      91095.64719907
Element set:     JSC-006
Inclination:       28.4678 deg          Space Shuttle Flight STS-37
RA of node:       237.2312 deg              Keplerian Elements
Eccentricity:     .0006745            from pre-launch post OMS-2 vector
Arg of perigee:   281.2842 deg          Launch:  05 APR 91  14:18 utc
Mean anomaly:      78.7272 deg
Mean motion:   15.37848888 rev/day                 W5RRR
Decay rate:       2.30E-04 rev/day^2      NASA Johnson Space Center
Epoch rev:               2



STS-37 Predicted Post OMS-2 VECTOR

                                STS-37
                        PRE-FLIGHT STATE VECTOR
                          ON ORBIT OPERATIONS
                 (Posted 04/04/91 by Bruce Williamson)

 The following vector for the flight of STS-37 is provided by NASA
 Johnson Space Center Flight Design and Dynamics Division for use in
 ground track plotting programs.  The vector is valid for a Mission
 Elapsed Time (MET) of 0 days, 0 hours, 45 minutes and 39.37 seconds.
 This vector represents the trajectory of Atlantis during on orbit
 operations following the OMS-2 circularization maneuver, as planned
 pre-flight.

 Lift off Time: 1991:095:14:18:00.000
 Lift off Date: 04/05/91

 Vector Time (GMT) : 095:15:03:39.370
 Vector Time (MET) : 000:00:45:39.370
 Orbit Count :  00
 Weight : 241666.5 LBS
 Drag Coefficient : 2.0
 Drag Area: 1301.0 SQ FT

      M50 Elements                           Keplerian Elements
 -----------------------                 --------------------------
 X    = -11618898.5    FT                A          = 3689.5333 NM
 Y    =  16309152.3    FT                E          = .000838
 Z    = -10038445.3    FT                I  (M50)   = 28.26021  DEG
 Xdot = -19007.049708  FT/S              Wp (M50)   = 266.95830 DEG
 Ydot = -15905.678316  FT/S              RAAN (M50) = 236.62705 DEG
 Zdot =  -3829.195211  FT/S            / N (True)   = 344.21531 DEG
                            Anomalies  \ M (Mean)   = 344.24143 DEG

                                         Ha         = 243.7492  NM
                                         Hp         = 242.4087  NM

 Mean of 1950 (M50)   : Inertial, right-handed Cartesian system whose
 Coordinate System      origin is the center of the earth.  The epoch
                        is the beginning of the Besselian year 1950.
                        X axis: Mean vernal equinox of epoch
                        Z axis: Earth's mean rotational axis of epoch
                        Y axis: Completes right-hand system
 A:    Semi-major axis
 E:    Eccentricity                         N:    True anomaly
 I:    Inclination                          M:    Mean anomaly
 Wp:   Argument of perigee                  Ha:   Height of apogee
 RAAN: Right ascension of ascending node    Hp:   Height of perigee