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 |
| 2026 Mar 02 18:57 | 2026 Feb 26 11:14:11 | 82.6175 | 0.00206 | 2.4962 | 113.7114 | 5.2121 | 12.65747 | – |
| 2026 Mar 01 18:57 | 2026 Feb 26 11:14:11 | 82.6175 | 0.00206 | 2.4962 | 113.7114 | 5.2121 | 12.65747 | – |
| 2026 Feb 28 18:56 | 2026 Feb 26 11:14:11 | 82.6175 | 0.00206 | 2.4962 | 113.7114 | 5.2121 | 12.65747 | – |
| 2026 Feb 27 19:05 | 2026 Feb 26 11:14:11 | 82.6175 | 0.00206 | 2.4962 | 113.7114 | 5.2121 | 12.65747 | – |
| 2026 Feb 26 20:45 | 2026 Feb 26 11:14:11 | 82.6175 | 0.00206 | 2.4962 | 113.7114 | 5.2121 | 12.65747 | – |
| 2026 Feb 05 18:58 | 2026 Feb 02 12:24:31 | 82.6149 | 0.00199 | 3.5167 | 166.7550 | 5.2121 | 12.65747 | – |
| 2026 Feb 04 18:57 | 2026 Feb 02 12:24:31 | 82.6149 | 0.00199 | 3.5167 | 166.7550 | 5.2121 | 12.65747 | – |
| 2026 Feb 03 18:56 | 2026 Feb 02 12:24:31 | 82.6149 | 0.00199 | 3.5167 | 166.7550 | 5.2121 | 12.65747 | – |