See also

Orbital elements of USA 18

Launched 8 February 1986
Flight ended –
Launch site Air Force Western Test Range, California, USA
Owner United States
NORAD ID 16631

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
2026 Apr 20 17:57 2026 Apr 19 12:59:52 63.2933 0.07599 12.9508 111.3824 257.0008 13.91371 6.743
2026 Apr 19 17:58 2026 Apr 19 12:59:52 63.2933 0.07599 12.9508 111.3824 257.0008 13.91371 6.743
2026 Apr 18 17:56 2026 Apr 13 06:55:35 63.2937 0.07606 14.1265 111.2612 257.0008 13.91371 6.743
2026 Apr 16 17:57 2026 Apr 13 06:55:35 63.2937 0.07606 14.1265 111.2612 257.0008 13.91371 6.743
2026 Apr 14 17:57 2026 Apr 13 06:55:35 63.2937 0.07606 14.1265 111.2612 257.0008 13.91371 6.743
2026 Apr 13 17:57 2026 Apr 13 06:55:35 63.2937 0.07606 14.1265 111.2612 257.0008 13.91371 6.743
2026 Apr 12 17:57 2026 Apr 08 14:47:52 63.2935 0.07612 15.0048 111.1708 257.0008 13.91371 6.743
2026 Apr 11 17:57 2026 Apr 08 14:47:52 63.2935 0.07612 15.0048 111.1708 257.0008 13.91371 6.743
2026 Apr 10 17:58 2026 Apr 08 14:47:52 63.2935 0.07612 15.0048 111.1708 257.0008 13.91371 6.743
2026 Apr 09 18:01 2026 Apr 08 14:47:52 63.2935 0.07612 15.0048 111.1708 257.0008 13.91371 6.743
2026 Apr 08 17:57 2026 Apr 08 14:47:52 63.2935 0.07612 15.0048 111.1708 257.0008 13.91371 6.743
2026 Apr 07 17:57 2026 Apr 01 10:16:26 63.2924 0.07626 16.3560 111.0274 257.0008 13.91371 6.743
2026 Apr 06 17:57 2026 Apr 01 10:16:26 63.2924 0.07626 16.3560 111.0274 257.0008 13.91371 6.743
2026 Apr 05 17:56 2026 Apr 01 10:16:26 63.2924 0.07626 16.3560 111.0274 257.0008 13.91371 6.743
2026 Apr 04 17:57 2026 Apr 01 10:16:26 63.2924 0.07626 16.3560 111.0274 257.0008 13.91371 6.743
2026 Apr 03 17:56 2026 Apr 01 10:16:26 63.2924 0.07626 16.3560 111.0274 257.0008 13.91371 6.743
2026 Apr 02 18:03 2026 Apr 01 10:16:26 63.2924 0.07626 16.3560 111.0274 257.0008 13.91371 6.743
2026 Mar 31 17:57 2026 Mar 26 11:03:23 63.2923 0.07637 17.4774 110.9092 257.0008 13.91371 6.743
2026 Mar 30 17:58 2026 Mar 26 11:03:23 63.2923 0.07637 17.4774 110.9092 257.0008 13.91371 6.743
2026 Mar 29 17:57 2026 Mar 26 11:03:23 63.2923 0.07637 17.4774 110.9092 257.0008 13.91371 6.743
2026 Mar 28 18:57 2026 Mar 26 11:03:23 63.2923 0.07637 17.4774 110.9092 257.0008 13.91371 6.743
2026 Mar 27 18:57 2026 Mar 26 11:03:23 63.2923 0.07637 17.4774 110.9092 257.0008 13.91371 6.743
2026 Mar 26 18:57 2026 Mar 26 11:03:23 63.2923 0.07637 17.4774 110.9092 257.0008 13.91371 6.743
2026 Mar 25 18:56 2026 Mar 20 13:32:47 63.2919 0.07647 18.5851 110.7850 257.0008 13.91371 6.743
2026 Mar 24 18:56 2026 Mar 20 13:32:47 63.2919 0.07647 18.5851 110.7850 257.0008 13.91371 6.743

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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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