See also

Orbital elements of USA 28

Launched 28 November 1987
Flight ended –
Launch site Air Force Eastern Test Range, Florida, USA
Owner United States
NORAD ID 18583
Alternative names DSP 13

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 18 18:57 2025 Dec 11 18:35:38 12.2238 0.00288 22.6271 275.0368 93.9977 0.98389 5.243
2025 Dec 17 18:58 2025 Dec 11 18:35:38 12.2238 0.00288 22.6271 275.0368 93.9977 0.98389 5.243
2025 Dec 16 18:57 2025 Dec 11 18:35:38 12.2238 0.00288 22.6271 275.0368 93.9977 0.98389 5.243
2025 Dec 15 18:58 2025 Dec 11 18:35:38 12.2238 0.00288 22.6271 275.0368 93.9977 0.98389 5.243
2025 Dec 14 18:56 2025 Dec 11 18:35:38 12.2238 0.00288 22.6271 275.0368 93.9977 0.98389 5.243
2025 Dec 13 18:56 2025 Dec 11 18:35:38 12.2238 0.00288 22.6271 275.0368 93.9977 0.98389 5.243
2025 Dec 12 18:57 2025 Dec 11 18:35:38 12.2238 0.00288 22.6271 275.0368 93.9977 0.98389 5.243
2025 Dec 11 18:56 2025 Dec 07 05:09:56 12.2284 0.00291 22.6287 274.4220 93.9977 0.98389 5.243
2025 Dec 10 18:56 2025 Dec 07 05:09:56 12.2284 0.00291 22.6287 274.4220 93.9977 0.98389 5.243
2025 Dec 09 18:56 2025 Dec 07 05:09:56 12.2284 0.00291 22.6287 274.4220 93.9977 0.98389 5.243
2025 Dec 08 18:56 2025 Dec 07 05:09:56 12.2284 0.00291 22.6287 274.4220 93.9977 0.98389 5.243
2025 Dec 07 18:56 2025 Dec 07 05:09:56 12.2284 0.00291 22.6287 274.4220 93.9977 0.98389 5.243
2025 Dec 06 18:56 2025 Dec 02 02:03:22 12.2336 0.00290 22.6302 273.3052 93.9977 0.98389 5.243
2025 Dec 05 18:57 2025 Dec 02 02:03:22 12.2336 0.00290 22.6302 273.3052 93.9977 0.98389 5.243
2025 Dec 04 18:57 2025 Dec 02 02:03:22 12.2336 0.00290 22.6302 273.3052 93.9977 0.98389 5.243
2025 Dec 03 18:56 2025 Dec 02 02:03:22 12.2336 0.00290 22.6302 273.3052 93.9977 0.98389 5.243
2025 Dec 02 18:56 2025 Dec 02 02:03:22 12.2336 0.00290 22.6302 273.3052 93.9977 0.98389 5.243
2025 Nov 30 18:57 2025 Nov 25 11:02:24 12.2398 0.00285 22.6326 272.5931 93.9977 0.98389 5.243
2025 Nov 29 18:56 2025 Nov 25 11:02:24 12.2398 0.00285 22.6326 272.5931 93.9977 0.98389 5.243
2025 Nov 28 18:57 2025 Nov 25 11:02:24 12.2398 0.00285 22.6326 272.5931 93.9977 0.98389 5.243
2025 Nov 27 18:57 2025 Nov 25 11:02:24 12.2398 0.00285 22.6326 272.5931 93.9977 0.98389 5.243
2025 Nov 26 18:57 2025 Nov 25 11:02:24 12.2398 0.00285 22.6326 272.5931 93.9977 0.98389 5.243
2025 Nov 25 18:57 2025 Nov 25 11:02:24 12.2398 0.00285 22.6326 272.5931 93.9977 0.98389 5.243
2025 Nov 24 18:56 2025 Nov 19 21:39:46 12.2447 0.00283 22.6349 272.6795 93.9977 0.98389 5.243
2025 Nov 23 18:57 2025 Nov 19 21:39:46 12.2447 0.00283 22.6349 272.6795 93.9977 0.98389 5.243
2025 Nov 21 18:57 2025 Nov 19 21:39:46 12.2447 0.00283 22.6349 272.6795 93.9977 0.98389 5.243

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34.05°N
118.05°W
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