karn@mouton.UUCP (10/02/84)
Relayed from the ARRL: STS-41G Keplerian Element Sets for GAS 007 Planning Launch: October 5, 1984 at 11:03 UTC. I.D. Planning Set # 1-B (First Downlink) Epoch 84/280.85347222 Drag 7.6E-02 Inclination 57.2007 R.A.A.N. 73.8280 Eccentricity .0010544 Arg. of Perigee 346.2766 Mean Anomaly 14.1415 Mean Motion 15.97849766 Orbit # 23 I.D. Planning Set # 2-B (Second Downlink) Epoch 84/281.84930555 Drag 8.4E-02 Inclination 57.1942 R.A.A.N. 69.1449 Eccentricity .0007995 Arg. of Perigee 345.4320 Mean Anomaly 17.6465 Mean Motion 16.16455877 Orbit # 39 I.D. Planning Set # 3-B (Third Downlink) Epoch 84/282.83678240 Drag 8.0E-02 Inclination 57.1865 R.A.A.N. 64.3691 Eccentricity .0008229 Arg. of Perigee 359.4947 Mean Anomaly 0.5436 Mean Motion 16.15978125 Orbit # 55 Note: These sets have been adjusted to match the design flight profile to within approximately 10 seconds for each downlink period. An error of several minutes can accumulate for propagation beyond these regions. 73 Bernie, W9KDR.
wd9get@pur-ee.UUCP (Brandt) (10/09/84)
[] Here are the latest set of orbital elements from Goddard Space Flight Center for STS-41G. The epoch rev is an estimate, but should not make any difference in the orbital calculations. --Keith E. Brandt pur-ee!wd9get Satellite: sts-41g Catalog number: 0 Epoch time: 84282.91736111 dtime(): GMT..... Mon Oct 8 22:00:59.100 1984 GMT Element set: 4 Inclination: 56.9810 deg RA of node: 64.0750 deg Eccentricity: 0.0007547 Arg of perigee: 301.5250 deg Mean anomaly: 169.7580 deg Mean motion: 16.21621622 rev/day Decay rate: 0.08 rev/day^2 Epoch rev: 56 Semi major axis: 6592.929 km Anom period: 88.800000 min Apogee: 230.684 km Perigee: 220.733 km