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 May 09 17:57 2025 May 09 11:02:53 94.0975 0.00599 18.4323 241.0072 118.5165 15.38916 9.743
2025 May 08 17:56 2025 May 03 11:28:03 94.0978 0.00597 18.2089 264.7304 118.5165 15.38916 9.743
2025 May 07 17:56 2025 May 03 11:28:03 94.0978 0.00597 18.2089 264.7304 118.5165 15.38916 9.743
2025 May 06 17:57 2025 May 03 11:28:03 94.0978 0.00597 18.2089 264.7304 118.5165 15.38916 9.743
2025 May 05 17:56 2025 May 03 11:28:03 94.0978 0.00597 18.2089 264.7304 118.5165 15.38916 9.743
2025 May 04 17:57 2025 May 03 11:28:03 94.0978 0.00597 18.2089 264.7304 118.5165 15.38916 9.743
2025 May 03 17:57 2025 May 03 11:28:03 94.0978 0.00597 18.2089 264.7304 118.5165 15.38916 9.743
2025 May 01 17:56 2025 Apr 22 10:08:03 94.0953 0.00602 17.7964 308.4932 118.5165 15.38916 9.743
2025 Apr 30 17:56 2025 Apr 22 10:08:03 94.0953 0.00602 17.7964 308.4932 118.5165 15.38916 9.743
2025 Apr 29 17:57 2025 Apr 22 10:08:03 94.0953 0.00602 17.7964 308.4932 118.5165 15.38916 9.743
2025 Apr 27 17:56 2025 Apr 22 10:08:03 94.0953 0.00602 17.7964 308.4932 118.5165 15.38916 9.743
2025 Apr 26 17:57 2025 Apr 22 10:08:03 94.0953 0.00602 17.7964 308.4932 118.5165 15.38916 9.743
2025 Apr 25 17:56 2025 Apr 22 10:08:03 94.0953 0.00602 17.7964 308.4932 118.5165 15.38916 9.743
2025 Apr 24 17:56 2025 Apr 22 10:08:03 94.0953 0.00602 17.7964 308.4932 118.5165 15.38916 9.743
2025 Apr 23 17:57 2025 Apr 22 10:08:03 94.0953 0.00602 17.7964 308.4932 118.5165 15.38916 9.743
2025 Apr 22 17:56 2025 Apr 22 10:08:03 94.0953 0.00602 17.7964 308.4932 118.5165 15.38916 9.743
2025 Apr 21 17:57 2025 Apr 15 20:28:51 94.0948 0.00612 17.5513 334.2927 118.5165 15.38916 9.743
2025 Apr 20 17:56 2025 Apr 15 20:28:51 94.0948 0.00612 17.5513 334.2927 118.5165 15.38916 9.743
2025 Apr 19 17:56 2025 Apr 15 20:28:51 94.0948 0.00612 17.5513 334.2927 118.5165 15.38916 9.743
2025 Apr 18 17:57 2025 Apr 15 20:28:51 94.0948 0.00612 17.5513 334.2927 118.5165 15.38916 9.743
2025 Apr 17 17:56 2025 Apr 15 20:28:51 94.0948 0.00612 17.5513 334.2927 118.5165 15.38916 9.743
2025 Apr 16 17:57 2025 Apr 15 20:28:51 94.0948 0.00612 17.5513 334.2927 118.5165 15.38916 9.743
2025 Apr 15 17:56 2025 Apr 10 12:28:38 94.0928 0.00621 17.3525 354.9473 118.5165 15.38916 9.743
2025 Apr 14 17:56 2025 Apr 10 12:28:38 94.0928 0.00621 17.3525 354.9473 118.5165 15.38916 9.743

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81.66°W
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