See also

Orbital elements of USA 57

Launched 10 April 1990
Flight ended –
Launch site Air Force Western Test Range, California, USA
Owner United States
NORAD ID 20561

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 17 18:58 2025 Dec 12 06:22:09 89.8484 0.00668 17.8898 1.7776 358.3668 14.72968 –
2025 Dec 16 18:57 2025 Dec 12 06:22:09 89.8484 0.00668 17.8898 1.7776 358.3668 14.72968 –
2025 Dec 15 18:58 2025 Dec 12 06:22:09 89.8484 0.00668 17.8898 1.7776 358.3668 14.72968 –
2025 Dec 14 18:56 2025 Dec 12 06:22:09 89.8484 0.00668 17.8898 1.7776 358.3668 14.72968 –
2025 Dec 13 18:56 2025 Dec 12 06:22:09 89.8484 0.00668 17.8898 1.7776 358.3668 14.72968 –
2025 Dec 12 18:57 2025 Dec 12 06:22:09 89.8484 0.00668 17.8898 1.7776 358.3668 14.72968 –
2025 Dec 11 18:56 2025 Dec 07 05:42:58 89.8482 0.00676 17.8961 19.3955 358.3668 14.72968 –
2025 Dec 10 18:56 2025 Dec 07 05:42:58 89.8482 0.00676 17.8961 19.3955 358.3668 14.72968 –
2025 Dec 09 18:56 2025 Dec 07 05:42:58 89.8482 0.00676 17.8961 19.3955 358.3668 14.72968 –
2025 Dec 08 18:56 2025 Dec 07 05:42:58 89.8482 0.00676 17.8961 19.3955 358.3668 14.72968 –
2025 Dec 07 18:56 2025 Dec 07 05:42:58 89.8482 0.00676 17.8961 19.3955 358.3668 14.72968 –
2025 Dec 06 18:56 2025 Dec 02 06:41:32 89.8478 0.00684 17.9023 36.6352 358.3668 14.72968 –
2025 Dec 05 18:57 2025 Dec 02 06:41:32 89.8478 0.00684 17.9023 36.6352 358.3668 14.72968 –
2025 Dec 04 18:57 2025 Dec 02 06:41:32 89.8478 0.00684 17.9023 36.6352 358.3668 14.72968 –
2025 Dec 03 18:56 2025 Dec 02 06:41:32 89.8478 0.00684 17.9023 36.6352 358.3668 14.72968 –
2025 Dec 02 18:56 2025 Dec 02 06:41:32 89.8478 0.00684 17.9023 36.6352 358.3668 14.72968 –
2025 Nov 30 18:57 2025 Nov 25 08:22:57 89.8470 0.00692 17.9110 60.4243 358.3668 14.72968 –
2025 Nov 29 18:56 2025 Nov 25 08:22:57 89.8470 0.00692 17.9110 60.4243 358.3668 14.72968 –
2025 Nov 28 18:57 2025 Nov 25 08:22:57 89.8470 0.00692 17.9110 60.4243 358.3668 14.72968 –
2025 Nov 27 18:57 2025 Nov 25 08:22:57 89.8470 0.00692 17.9110 60.4243 358.3668 14.72968 –
2025 Nov 26 18:57 2025 Nov 25 08:22:57 89.8470 0.00692 17.9110 60.4243 358.3668 14.72968 –
2025 Nov 25 18:57 2025 Nov 25 08:22:57 89.8470 0.00692 17.9110 60.4243 358.3668 14.72968 –
2025 Nov 24 18:56 2025 Nov 20 06:05:39 89.8459 0.00694 17.9174 77.8282 358.3668 14.72968 –
2025 Nov 23 18:57 2025 Nov 20 06:05:39 89.8459 0.00694 17.9174 77.8282 358.3668 14.72968 –
2025 Nov 21 18:57 2025 Nov 20 06:05:39 89.8459 0.00694 17.9174 77.8282 358.3668 14.72968 –
2025 Nov 20 18:56 2025 Nov 20 06:05:39 89.8459 0.00694 17.9174 77.8282 358.3668 14.72968 –

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South El Monte

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Longitude:
Timezone:

34.05°N
118.05°W
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