Orbital elements of USA 99

Launched 6 February 1994
Flight ended
Launch site Air Force Eastern Test Range, Florida, USA
Owner United States
NORAD ID 22988
Alternative names MILSTAR-1 1

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 Feb 05 18:58 2026 Feb 05 11:12:18 17.4218 0.00043 1.9418 292.0624 252.5216 1.00273 3.243
2026 Feb 04 18:57 2026 Feb 04 08:50:34 17.4202 0.00043 1.9426 290.3037 252.5216 1.00273 3.243
2026 Feb 03 18:56 2026 Feb 02 23:17:37 17.4180 0.00043 1.9436 288.0404 252.5216 1.00273 3.243
2026 Feb 02 18:56 2026 Feb 01 23:19:39 17.4165 0.00043 1.9443 286.1881 252.5216 1.00273 3.243
2026 Feb 01 18:56 2026 Feb 01 02:22:38 17.4151 0.00043 1.9449 284.5873 252.5216 1.00273 3.243
2026 Jan 31 18:56 2026 Jan 31 11:22:55 17.4141 0.00043 1.9453 283.4183 252.5216 1.00273 3.243
2026 Jan 30 18:57 2026 Jan 29 23:26:05 17.4116 0.00043 1.9464 280.8071 252.5216 1.00273 3.243
2026 Jan 29 18:56 2026 Jan 28 11:29:13 17.4092 0.00042 1.9474 278.6395 252.5216 1.00273 3.243
2026 Jan 28 18:56 2026 Jan 27 15:22:20 17.4078 0.00042 1.9480 277.6101 252.5216 1.00273 3.243
2026 Jan 27 18:56 2026 Jan 27 12:40:53 17.4076 0.00042 1.9481 277.4814 252.5216 1.00273 3.243
2026 Jan 26 18:57 2026 Jan 25 23:34:29 17.4050 0.00041 1.9492 275.5717 252.5216 1.00273 3.243
2026 Jan 25 18:57 2026 Jan 24 11:46:38 17.4026 0.00040 1.9503 275.1941 252.5216 1.00273 3.243
2026 Jan 24 18:58 2026 Jan 24 11:46:38 17.4026 0.00040 1.9503 275.1941 252.5216 1.00273 3.243
2026 Jan 22 18:56 2026 Jan 21 23:43:00 17.3986 0.00039 1.9521 279.9760 252.5216 1.00273 3.243

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South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PST

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