Orbital elements of COSMOS 1999
| Launched | 9 February 1989 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 19790 |
| 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 Sep 03 17:57 | 2025 Sep 03 04:57:25 | 82.6216 | 0.00196 | 10.0031 | 154.6076 | 359.0519 | 12.65740 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 20:43:20 | 82.6219 | 0.00193 | 10.2730 | 168.8974 | 359.0519 | 12.65740 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 20:43:20 | 82.6219 | 0.00193 | 10.2730 | 168.8974 | 359.0519 | 12.65740 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 20:43:20 | 82.6219 | 0.00193 | 10.2730 | 168.8974 | 359.0519 | 12.65740 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 20:43:20 | 82.6219 | 0.00193 | 10.2730 | 168.8974 | 359.0519 | 12.65740 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 20:43:20 | 82.6219 | 0.00193 | 10.2730 | 168.8974 | 359.0519 | 12.65740 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 20:43:20 | 82.6219 | 0.00193 | 10.2730 | 168.8974 | 359.0519 | 12.65740 | – |
| 2025 Aug 27 17:56 | 2025 Aug 20 19:49:43 | 82.6220 | 0.00190 | 10.5724 | 184.9400 | 359.0519 | 12.65740 | – |
| 2025 Aug 26 17:56 | 2025 Aug 20 19:49:43 | 82.6220 | 0.00190 | 10.5724 | 184.9400 | 359.0519 | 12.65740 | – |
| 2025 Aug 25 17:56 | 2025 Aug 20 19:49:43 | 82.6220 | 0.00190 | 10.5724 | 184.9400 | 359.0519 | 12.65740 | – |
| 2025 Aug 24 17:56 | 2025 Aug 20 19:49:43 | 82.6220 | 0.00190 | 10.5724 | 184.9400 | 359.0519 | 12.65740 | – |
| 2025 Aug 23 17:56 | 2025 Aug 20 19:49:43 | 82.6220 | 0.00190 | 10.5724 | 184.9400 | 359.0519 | 12.65740 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 21:41:43 | 82.6220 | 0.00189 | 10.6967 | 191.7838 | 359.0519 | 12.65740 | – |
| 2025 Aug 20 17:56 | 2025 Aug 17 21:41:43 | 82.6220 | 0.00189 | 10.6967 | 191.7838 | 359.0519 | 12.65740 | – |
| 2025 Aug 19 17:56 | 2025 Aug 17 21:41:43 | 82.6220 | 0.00189 | 10.6967 | 191.7838 | 359.0519 | 12.65740 | – |
| 2025 Aug 18 17:56 | 2025 Aug 17 21:41:43 | 82.6220 | 0.00189 | 10.6967 | 191.7838 | 359.0519 | 12.65740 | – |
| 2025 Aug 16 17:56 | 2025 Aug 12 07:28:21 | 82.6214 | 0.00186 | 10.9347 | 204.9203 | 359.0519 | 12.65740 | – |
| 2025 Aug 15 17:57 | 2025 Aug 12 07:28:21 | 82.6214 | 0.00186 | 10.9347 | 204.9203 | 359.0519 | 12.65740 | – |
| 2025 Aug 14 17:56 | 2025 Aug 12 07:28:21 | 82.6214 | 0.00186 | 10.9347 | 204.9203 | 359.0519 | 12.65740 | – |
| 2025 Aug 13 17:58 | 2025 Aug 12 07:28:21 | 82.6214 | 0.00186 | 10.9347 | 204.9203 | 359.0519 | 12.65740 | – |
| 2025 Aug 12 17:56 | 2025 Aug 12 07:28:21 | 82.6214 | 0.00186 | 10.9347 | 204.9203 | 359.0519 | 12.65740 | – |
| 2025 Aug 11 17:56 | 2025 Aug 06 21:59:47 | 82.6209 | 0.00184 | 11.1642 | 217.6374 | 359.0519 | 12.65740 | – |
| 2025 Aug 10 17:57 | 2025 Aug 06 21:59:47 | 82.6209 | 0.00184 | 11.1642 | 217.6374 | 359.0519 | 12.65740 | – |
| 2025 Aug 09 17:56 | 2025 Aug 06 21:59:47 | 82.6209 | 0.00184 | 11.1642 | 217.6374 | 359.0519 | 12.65740 | – |
| 2025 Aug 08 17:56 | 2025 Aug 06 21:59:47 | 82.6209 | 0.00184 | 11.1642 | 217.6374 | 359.0519 | 12.65740 | – |