See also

Orbital elements of USA 55

Launched 4 April 1990
Flight ended –
Launch site Air Force Western Test Range, California, USA
Owner United States
NORAD ID 20547

Show orbit between:

Start date

End date

Date
fetched		 Epoch
osculation		 Inc.
[°]		 Ecc. RA asc
node
[hr]		 Arg
Peri.
[°]		 Mean
anom
[°]		 Mean
motion
[rev/day]		 Abs.
mag
Date
fetched		 Epoch
osculation		 Inc.
[°]		 Ecc. RA asc
node
[hr]		 Arg
Peri.
[°]		 Mean
anom
[°]		 Mean
motion
[rev/day]		 Abs.
mag
2025 Dec 15 18:58 2025 Dec 12 03:16:40 94.0982 0.00601 2.5491 131.2001 229.4456 15.41852 9.743
2025 Dec 14 18:56 2025 Dec 12 03:16:40 94.0982 0.00601 2.5491 131.2001 229.4456 15.41852 9.743
2025 Dec 13 18:56 2025 Dec 12 03:16:40 94.0982 0.00601 2.5491 131.2001 229.4456 15.41852 9.743
2025 Dec 12 18:57 2025 Dec 12 03:16:40 94.0982 0.00601 2.5491 131.2001 229.4456 15.41852 9.743
2025 Dec 11 18:56 2025 Dec 07 03:20:05 94.0983 0.00595 2.3617 149.8573 229.4456 15.41852 9.743
2025 Dec 10 18:56 2025 Dec 07 03:20:05 94.0983 0.00595 2.3617 149.8573 229.4456 15.41852 9.743
2025 Dec 09 18:56 2025 Dec 07 03:20:05 94.0983 0.00595 2.3617 149.8573 229.4456 15.41852 9.743
2025 Dec 08 18:56 2025 Dec 07 03:20:05 94.0983 0.00595 2.3617 149.8573 229.4456 15.41852 9.743
2025 Dec 07 18:56 2025 Dec 07 03:20:05 94.0983 0.00595 2.3617 149.8573 229.4456 15.41852 9.743
2025 Dec 06 18:56 2025 Dec 02 09:36:58 94.1003 0.00589 2.1841 167.7758 229.4456 15.41852 9.743
2025 Dec 05 18:57 2025 Dec 02 09:36:58 94.1003 0.00589 2.1841 167.7758 229.4456 15.41852 9.743
2025 Dec 04 18:57 2025 Dec 02 09:36:58 94.1003 0.00589 2.1841 167.7758 229.4456 15.41852 9.743
2025 Dec 03 18:56 2025 Dec 02 09:36:58 94.1003 0.00589 2.1841 167.7758 229.4456 15.41852 9.743
2025 Dec 02 18:56 2025 Dec 02 09:36:58 94.1003 0.00589 2.1841 167.7758 229.4456 15.41852 9.743
2025 Nov 30 18:57 2025 Nov 25 10:55:17 94.0995 0.00578 1.9236 194.3908 229.4456 15.41852 9.743
2025 Nov 29 18:56 2025 Nov 25 10:55:17 94.0995 0.00578 1.9236 194.3908 229.4456 15.41852 9.743
2025 Nov 28 18:57 2025 Nov 25 10:55:17 94.0995 0.00578 1.9236 194.3908 229.4456 15.41852 9.743
2025 Nov 27 18:57 2025 Nov 25 10:55:17 94.0995 0.00578 1.9236 194.3908 229.4456 15.41852 9.743
2025 Nov 26 18:57 2025 Nov 25 10:55:17 94.0995 0.00578 1.9236 194.3908 229.4456 15.41852 9.743
2025 Nov 25 18:57 2025 Nov 25 10:55:17 94.0995 0.00578 1.9236 194.3908 229.4456 15.41852 9.743
2025 Nov 24 18:56 2025 Nov 20 04:43:29 94.1015 0.00571 1.7264 214.9988 229.4456 15.41852 9.743
2025 Nov 23 18:57 2025 Nov 20 04:43:29 94.1015 0.00571 1.7264 214.9988 229.4456 15.41852 9.743
2025 Nov 21 18:57 2025 Nov 20 04:43:29 94.1015 0.00571 1.7264 214.9988 229.4456 15.41852 9.743
2025 Nov 20 18:56 2025 Nov 20 04:43:29 94.1015 0.00571 1.7264 214.9988 229.4456 15.41852 9.743
2025 Nov 18 18:57 2025 Nov 08 10:42:16 94.1021 0.00564 1.2857 261.7005 229.4456 15.41852 9.743

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South El Monte

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Longitude:
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34.05°N
118.05°W
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