H-2/COMETS Launch

Keith Stein (kstein@launchspace.com)
Fri, 20 Feb 1998 17:47:17 -0800

Hello all,

Can someone convert these parameters to two-line orbital elements for each
event. They are for the COMETS launch tomorrow morning at 2:55 a.m. eastern
time (07:55 UTC).

                                    SECO-2           COMETS SEPARATIO
EPOCH (D/HH:MM:SS.SSS):             052/08:21:38.241 052/08:22:12.860
PERIOD (MIN):                        627.512          635.708
INCLINATION (DEG):                   28.506           28.500
ECCENTRICITY (DEG):                 0.727016         0.729365
SEMI-MAJOR AXIS (KM):               24279.6066       24490.5621
ARGUMENT OF PERIGEE (DEG):          178.977          178.998
RA OF ASCENDING NODE (DEG):         305.309          305.309
MEAN ANOMALY (DEG):                   0.476            0.794
START ORBIT TIME (HHH:MM:SS.SSS)MET:000:26:38.000    000:27:12.000
END ORBIT TIME (HHH:MM:SS.SSS)MET:  021:00:00.000    021:00:00.000
HEIGHT (KM):                          235.3983         247.8481
INJECTION LATITUDE (DEG):             1.17S            2.630S
INJECTION LONGITUDE (DEG):          211.01E          213.534E
INJECTION INERTIAL AZIMUTH (DEG):   118.488          118.394
INJECTION TIME (D/HH:MM:SS.SSS):    052/08:21:38.241 052/08:22:12.860

                                    SECO-3           H-2 EOM
EPOCH (D/HH:MM:SS.SSS):             052/08:35:18.540 052/10:03:20.000
PERIOD (MIN):                        475.154          479.347
INCLINATION (DEG):                   28.215           27.927
ECCENTRICITY (DEG):                 0.673177         0.670829
SEMI-MAJOR AXIS (KM):               20170.4974       20288.9841
ARGUMENT OF PERIGEE (DEG):          177.647          177.739
RA OF ASCENDING NODE (DEG):         304.294          304.806
MEAN ANOMALY (DEG):                  11.505           77.560
START ORBIT TIME (HHH:MM:SS.SSS)MET:000:40:20.000    002:08:20.000
END ORBIT TIME (HHH:MM:SS.SSS)MET:  016:00:00.000    017:00:00.000
HEIGHT (KM):                         2235.6427       19209.8242
INJECTION LATITUDE (DEG):            25.05S           15.611S
INJECTION LONGITUDE (DEG):          264.57E          331.092E
INJECTION INERTIAL AZIMUTH (DEG):   103.606           66.531
INJECTION TIME (D/HH:MM:SS.SSS):    052/08:35:18.540 052/10:03:20.000

Thanks.


Keith Stein
Associate Technical Editor

Launchspace Publications, Inc.
http://www.launchspace.com
(703) 749-2324, ext 114
(703) 749-3177 (fax)