See also

Orbital elements of COSMOS 1639

Launched 20 March 1985
Flight ended –
Launch site Plesetsk Missile and Space Complex, Russia
Owner Commonwealth of Independent States (former USSR)
NORAD ID 15621

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 02 09:42:31 74.0560 0.00259 9.7792 279.0144 151.1775 12.51056 –
2026 Feb 04 18:57 2026 Feb 02 09:42:31 74.0560 0.00259 9.7792 279.0144 151.1775 12.51056 –
2026 Feb 03 18:56 2026 Feb 02 09:42:31 74.0560 0.00259 9.7792 279.0144 151.1775 12.51056 –
2026 Feb 02 18:56 2026 Feb 02 09:42:31 74.0560 0.00259 9.7792 279.0144 151.1775 12.51056 –
2026 Feb 01 18:56 2026 Jan 27 19:50:24 74.0557 0.00258 10.2735 287.2435 151.1775 12.51056 –
2026 Jan 31 18:56 2026 Jan 27 19:50:24 74.0557 0.00258 10.2735 287.2435 151.1775 12.51056 –
2026 Jan 30 18:57 2026 Jan 27 19:50:24 74.0557 0.00258 10.2735 287.2435 151.1775 12.51056 –
2026 Jan 29 18:56 2026 Jan 27 19:50:24 74.0557 0.00258 10.2735 287.2435 151.1775 12.51056 –
2026 Jan 28 18:56 2026 Jan 27 19:50:24 74.0557 0.00258 10.2735 287.2435 151.1775 12.51056 –
2026 Jan 27 18:56 2026 Jan 22 10:44:06 74.0548 0.00257 10.7502 295.1834 151.1775 12.51056 –
2026 Jan 26 18:57 2026 Jan 22 10:44:06 74.0548 0.00257 10.7502 295.1834 151.1775 12.51056 –
2026 Jan 25 18:57 2026 Jan 22 10:44:06 74.0548 0.00257 10.7502 295.1834 151.1775 12.51056 –
2026 Jan 24 18:58 2026 Jan 22 10:44:06 74.0548 0.00257 10.7502 295.1834 151.1775 12.51056 –
2026 Jan 22 18:56 2026 Jan 22 10:44:06 74.0548 0.00257 10.7502 295.1834 151.1775 12.51056 –
2026 Jan 21 18:56 2026 Jan 16 12:46:04 74.0541 0.00257 11.2744 303.9226 151.1775 12.51056 –
2026 Jan 20 19:06 2026 Jan 16 12:46:04 74.0541 0.00257 11.2744 303.9226 151.1775 12.51056 –
2026 Jan 19 18:57 2026 Jan 16 12:46:04 74.0541 0.00257 11.2744 303.9226 151.1775 12.51056 –
2026 Jan 18 18:57 2026 Jan 16 12:46:04 74.0541 0.00257 11.2744 303.9226 151.1775 12.51056 –
2026 Jan 17 18:56 2026 Jan 16 12:46:04 74.0541 0.00257 11.2744 303.9226 151.1775 12.51056 –
2026 Jan 16 18:57 2026 Jan 16 12:46:04 74.0541 0.00257 11.2744 303.9226 151.1775 12.51056 –
2026 Jan 15 18:56 2026 Jan 11 13:47:24 74.0533 0.00256 11.7137 311.2536 151.1775 12.51056 –
2026 Jan 13 18:56 2026 Jan 11 13:47:24 74.0533 0.00256 11.7137 311.2536 151.1775 12.51056 –
2026 Jan 11 18:57 2026 Jan 11 13:47:24 74.0533 0.00256 11.7137 311.2536 151.1775 12.51056 –
2026 Jan 10 18:57 2026 Jan 06 05:47:41 74.0528 0.00255 12.1864 319.1520 151.1775 12.51056 –

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South El Monte

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34.05°N
118.05°W
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