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 May 12 17:56 2025 May 09 10:47:45 89.8419 0.00690 18.1688 48.4269 312.2838 14.72586 –
2025 May 11 17:56 2025 May 09 10:47:45 89.8419 0.00690 18.1688 48.4269 312.2838 14.72586 –
2025 May 10 17:56 2025 May 09 10:47:45 89.8419 0.00690 18.1688 48.4269 312.2838 14.72586 –
2025 May 09 17:57 2025 May 09 10:47:45 89.8419 0.00690 18.1688 48.4269 312.2838 14.72586 –
2025 May 08 17:56 2025 May 03 09:38:53 89.8410 0.00696 18.1767 69.1468 312.2838 14.72586 –
2025 May 07 17:56 2025 May 03 09:38:53 89.8410 0.00696 18.1767 69.1468 312.2838 14.72586 –
2025 May 06 17:57 2025 May 03 09:38:53 89.8410 0.00696 18.1767 69.1468 312.2838 14.72586 –
2025 May 05 17:56 2025 May 03 09:38:53 89.8410 0.00696 18.1767 69.1468 312.2838 14.72586 –
2025 May 04 17:57 2025 May 03 09:38:53 89.8410 0.00696 18.1767 69.1468 312.2838 14.72586 –
2025 May 03 17:57 2025 May 03 09:38:53 89.8410 0.00696 18.1767 69.1468 312.2838 14.72586 –
2025 May 01 17:56 2025 Apr 22 11:04:19 89.8395 0.00697 18.1911 106.5014 312.2838 14.72586 –
2025 Apr 30 17:56 2025 Apr 22 11:04:19 89.8395 0.00697 18.1911 106.5014 312.2838 14.72586 –
2025 Apr 29 17:57 2025 Apr 22 11:04:19 89.8395 0.00697 18.1911 106.5014 312.2838 14.72586 –
2025 Apr 27 17:56 2025 Apr 22 11:04:19 89.8395 0.00697 18.1911 106.5014 312.2838 14.72586 –
2025 Apr 26 17:57 2025 Apr 22 11:04:19 89.8395 0.00697 18.1911 106.5014 312.2838 14.72586 –
2025 Apr 25 17:56 2025 Apr 22 11:04:19 89.8395 0.00697 18.1911 106.5014 312.2838 14.72586 –
2025 Apr 24 17:56 2025 Apr 22 11:04:19 89.8395 0.00697 18.1911 106.5014 312.2838 14.72586 –
2025 Apr 23 17:57 2025 Apr 22 11:04:19 89.8395 0.00697 18.1911 106.5014 312.2838 14.72586 –
2025 Apr 22 17:56 2025 Apr 22 11:04:19 89.8395 0.00697 18.1911 106.5014 312.2838 14.72586 –
2025 Apr 21 17:57 2025 Apr 15 22:30:03 89.8385 0.00692 18.1998 128.7812 312.2838 14.72586 –
2025 Apr 20 17:56 2025 Apr 15 22:30:03 89.8385 0.00692 18.1998 128.7812 312.2838 14.72586 –
2025 Apr 19 17:56 2025 Apr 15 22:30:03 89.8385 0.00692 18.1998 128.7812 312.2838 14.72586 –
2025 Apr 18 17:57 2025 Apr 15 22:30:03 89.8385 0.00692 18.1998 128.7812 312.2838 14.72586 –
2025 Apr 17 17:56 2025 Apr 15 22:30:03 89.8385 0.00692 18.1998 128.7812 312.2838 14.72586 –
2025 Apr 16 17:57 2025 Apr 15 22:30:03 89.8385 0.00692 18.1998 128.7812 312.2838 14.72586 –
2025 Apr 15 17:56 2025 Apr 11 04:19:57 89.8379 0.00688 18.2061 145.1611 312.2838 14.72586 –

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Cambridge

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42.38°N
71.11°W
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