[net.ham-radio] Preliminary STS-9 elements

karn@eagle.UUCP (Phil Karn) (10/04/83)

>From the AMSAT bulletin board (512) 852-8194:


NUMBER: 1052 DATE: 100283 TO: ALL              FROM: N5AHD           
SUBJECT: STS-9 ELEMENTS

FOR THOSE OF YOU WHO WANT TO DO SOME PRELIMINARY COMPUTATIONS THE
FOLLOWING ELEMENTS WERE SUPPLIED BY W5RRR ON THE AMSAT NET FOR THE
STS-9 MISSION.  THESE ARE OF COURSE THE BEST ESTIMATES AVAILABLE
AT THE TIME.  UPDATES WILL BE POSTED HERE.
     EPOCH             1983   DAY   302
     TIME              17:46:44.89
     INCLINATION       57.0248
     RAAN              178.60498
     ECCENTRICITY        0.00083
    ARG OF PERIGEE      1.86848
    MEAN ANOMALY      358.13682
    MEAN MOTION        16.07142857
    DECAY RATE          0.030
    SEMI-MAJOR AXIS  6633.118215
    NODAL PERIOD       89.40 MINUTES
    LONG. INCREMENT    22.71 DEGREES/ORBIT
    AVERAGE HEIGHT    249.5 KM
    W5LFL WILL BE OPERATIONAL ON A TOTAL OF 8 ORBITS ONLY 3 OF
    WHICH ARE VISIBLE TO THE CONTINENTAL UNITED STATES.  THESE
    ARE ORBITS 39, 40, AND 80.