Satellite Orbit and Ephemeris Determination using Inter Satellite Links
Satellite Orbit and Ephemeris Determination using Inter Satellite Links Satellite Orbit and Ephemeris Determination using Inter Satellite Links
Autonomous Onboard ProcessingInter Satellite Links1998 07 01 12:03:44.000 SV 26 Ramp Detected [Position]1998 07 01 12:03:45.000 SV 26 Ramp Detected [Position]1998 07 01 12:03:46.000 SV 26 Ramp Detected [Position]1998 07 01 12:03:47.000 SV 26 Ramp Detected [Position]1998 07 01 12:03:48.000 SV 26 Ramp Detected [Position]1998 07 01 12:03:49.000 SV 26 Ramp Detected [Position]1998 07 01 12:03:50.000 SV 26 Ramp Detected [Position]1998 07 01 12:03:51.000 SV 26 Ramp Detected [Position]1998 07 01 12:03:52.000 SV 26 Ramp Detected [Position]1998 07 01 12:03:53.000 SV 26 Ramp Detected [Position]1998 07 01 12:03:53.000 SV 26 Non Detected Position Error = 0.068 m1998 07 01 12:03:54.000 SV 26 Ramp Detected [Position]1998 07 01 12:03:54.000 SV 26 Non Detected Position Error = 0.175 m1998 07 01 12:03:55.000 SV 26 Ramp Detected [Position]1998 07 01 12:03:55.000 SV 26 Limit Exceeded [Position]1998 07 01 12:03:55.000 SV 26 Check Result: NO GO1998 07 01 12:03:55.000 SV 27 Removed Unhealthy SV ID 261998 07 01 12:03:55.000 SV 28 Removed Unhealthy SV ID 261998 07 01 12:03:55.000 SV 29 Removed Unhealthy SV ID 261998 07 01 12:03:55.000 SV 30 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 00 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 01 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 02 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 03 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 04 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 05 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 06 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 08 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 09 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 10 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 11 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 12 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 13 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 14 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 15 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 16 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 17 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 18 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 19 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 20 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 21 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 22 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 23 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 24 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 25 Removed Unhealthy SV ID 261998 07 01 12:03:56.000 SV 26 Ramp Detected [Position]1998 07 01 12:03:56.000 SV 26 Limit Exceeded [Position]1998 07 01 12:03:56.000 SV 26 Check Result: NO GO1998 07 01 12:03:57.000 SV 26 Ramp Detected [Position]1998 07 01 12:03:57.000 SV 26 Limit Exceeded [Position]1998 07 01 12:03:57.000 SV 26 Check Result: NO GO1998 07 01 12:03:58.000 SV 26 Ramp Detected [Position]1998 07 01 12:03:58.000 SV 26 Limit Exceeded [Position]1998 07 01 12:03:58.000 SV 26 Check Result: NO GO1998 07 01 12:03:59.000 SV 26 Ramp Detected [Position]Page 180R. Wolf
Inter Satellite LinksAutonomous Onboard Processing1998 07 01 12:03:59.000 SV 26 Limit Exceeded [Position]1998 07 01 12:03:59.000 SV 26 Check Result: NO GO1998 07 01 12:04:00.000 SV 26 Ramp Detected [Position]1998 07 01 12:04:00.000 SV 26 Limit Exceeded [Position]1998 07 01 12:04:00.000 SV 26 Check Result: NO GO1998 07 01 12:04:01.000 SV 26 Ramp Detected [Position]1998 07 01 12:04:01.000 SV 26 Limit Exceeded [Position]1998 07 01 12:04:01.000 SV 26 Check Result: NO GO1998 07 01 12:04:02.000 SV 26 Ramp Detected [Position]1998 07 01 12:04:02.000 SV 26 Limit Exceeded [Position]1998 07 01 12:04:02.000 SV 26 Check Result: NO GO1998 07 01 12:04:03.000 SV 26 Ramp Detected [Position]1998 07 01 12:04:03.000 SV 26 Limit Exceeded [Position]1998 07 01 12:04:03.000 SV 26 Check Result: NO GO1998 07 01 12:04:04.000 SV 26 Ramp Detected [Position]1998 07 01 12:04:04.000 SV 26 Limit Exceeded [Position]1998 07 01 12:04:04.000 SV 26 Check Result: NO GO1998 07 01 12:04:05.000 SV 26 Ramp Detected [Position]1998 07 01 12:04:05.000 SV 26 Limit Exceeded [Position]1998 07 01 12:04:05.000 SV 26 Check Result: NO GO1998 07 01 12:04:05.000 SV 26 Switched OffThe event starts at 12:03:22. Twenty seconds later, the ramp detector is triggered the firsttime. First occurrence of a non-integrity event is at 12:03:53, the NO GO Flag due to positionlimit excess is raised at 12:03:55, yielding 2 seconds time to alarm. Impact on the user isnegligible, as can be seen in the figure below.0,4NorthEastUp0,2Error [m]0,0-0,2-0,4-0,612:02:19.000 12:03:39.000 12:04:59.000Time[hour:min:sec]Figure 7-17 User Position Error during ManoeuvreR. Wolf Page 181
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<strong>Inter</strong> <strong>Satellite</strong> <strong>Links</strong>Autonomous Onboard Processing1998 07 01 12:03:59.000 SV 26 Limit Exceeded [Position]1998 07 01 12:03:59.000 SV 26 Check Result: NO GO1998 07 01 12:04:00.000 SV 26 Ramp Detected [Position]1998 07 01 12:04:00.000 SV 26 Limit Exceeded [Position]1998 07 01 12:04:00.000 SV 26 Check Result: NO GO1998 07 01 12:04:01.000 SV 26 Ramp Detected [Position]1998 07 01 12:04:01.000 SV 26 Limit Exceeded [Position]1998 07 01 12:04:01.000 SV 26 Check Result: NO GO1998 07 01 12:04:02.000 SV 26 Ramp Detected [Position]1998 07 01 12:04:02.000 SV 26 Limit Exceeded [Position]1998 07 01 12:04:02.000 SV 26 Check Result: NO GO1998 07 01 12:04:03.000 SV 26 Ramp Detected [Position]1998 07 01 12:04:03.000 SV 26 Limit Exceeded [Position]1998 07 01 12:04:03.000 SV 26 Check Result: NO GO1998 07 01 12:04:04.000 SV 26 Ramp Detected [Position]1998 07 01 12:04:04.000 SV 26 Limit Exceeded [Position]1998 07 01 12:04:04.000 SV 26 Check Result: NO GO1998 07 01 12:04:05.000 SV 26 Ramp Detected [Position]1998 07 01 12:04:05.000 SV 26 Limit Exceeded [Position]1998 07 01 12:04:05.000 SV 26 Check Result: NO GO1998 07 01 12:04:05.000 SV 26 Switched OffThe event starts at 12:03:22. Twenty seconds later, the ramp detector is triggered the firsttime. First occurrence of a non-integrity event is at 12:03:53, the NO GO Flag due to positionlimit excess is raised at 12:03:55, yielding 2 seconds time to alarm. Impact on the user isnegligible, as can be seen in the figure below.0,4NorthEastUp0,2Error [m]0,0-0,2-0,4-0,612:02:19.000 12:03:39.000 12:04:59.000Time[hour:min:sec]Figure 7-17 User Position Error during ManoeuvreR. Wolf Page 181