Orbital elements of COSMOS 2146
| Launched | 15 May 1991 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21302 |
| 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 16 18:57 | 2026 Mar 15 12:44:14 | 82.5818 | 0.00149 | 23.6276 | 241.6482 | 118.3103 | 12.64551 | 7.743 |
| 2026 Mar 15 18:56 | 2026 Mar 15 12:44:14 | 82.5818 | 0.00149 | 23.6276 | 241.6482 | 118.3103 | 12.64551 | 7.743 |
| 2026 Mar 14 18:56 | 2026 Mar 10 07:24:46 | 82.5815 | 0.00149 | 23.8506 | 254.3813 | 118.3103 | 12.64551 | 7.743 |
| 2026 Mar 13 18:57 | 2026 Mar 10 07:24:46 | 82.5815 | 0.00149 | 23.8506 | 254.3813 | 118.3103 | 12.64551 | 7.743 |
| 2026 Mar 12 18:57 | 2026 Mar 10 07:24:46 | 82.5815 | 0.00149 | 23.8506 | 254.3813 | 118.3103 | 12.64551 | 7.743 |
| 2026 Mar 11 18:56 | 2026 Mar 10 07:24:46 | 82.5815 | 0.00149 | 23.8506 | 254.3813 | 118.3103 | 12.64551 | 7.743 |
| 2026 Mar 10 18:56 | 2026 Mar 10 07:24:46 | 82.5815 | 0.00149 | 23.8506 | 254.3813 | 118.3103 | 12.64551 | 7.743 |
| 2026 Mar 09 18:56 | 2026 Mar 04 07:05:59 | 82.5810 | 0.00149 | 0.1074 | 268.9705 | 118.3103 | 12.64551 | 7.743 |
| 2026 Mar 08 18:57 | 2026 Mar 04 07:05:59 | 82.5810 | 0.00149 | 0.1074 | 268.9705 | 118.3103 | 12.64551 | 7.743 |
| 2026 Mar 07 18:57 | 2026 Mar 04 07:05:59 | 82.5810 | 0.00149 | 0.1074 | 268.9705 | 118.3103 | 12.64551 | 7.743 |
| 2026 Mar 06 18:56 | 2026 Mar 04 07:05:59 | 82.5810 | 0.00149 | 0.1074 | 268.9705 | 118.3103 | 12.64551 | 7.743 |
| 2026 Mar 05 18:56 | 2026 Mar 04 07:05:59 | 82.5810 | 0.00149 | 0.1074 | 268.9705 | 118.3103 | 12.64551 | 7.743 |
| 2026 Mar 04 18:57 | 2026 Mar 04 07:05:59 | 82.5810 | 0.00149 | 0.1074 | 268.9705 | 118.3103 | 12.64551 | 7.743 |
| 2026 Mar 03 18:56 | 2026 Feb 26 06:47:11 | 82.5802 | 0.00149 | 0.3642 | 283.6750 | 118.3103 | 12.64551 | 7.743 |
| 2026 Mar 02 18:57 | 2026 Feb 26 06:47:11 | 82.5802 | 0.00149 | 0.3642 | 283.6750 | 118.3103 | 12.64551 | 7.743 |
| 2026 Mar 01 18:57 | 2026 Feb 26 06:47:11 | 82.5802 | 0.00149 | 0.3642 | 283.6750 | 118.3103 | 12.64551 | 7.743 |
| 2026 Feb 28 18:56 | 2026 Feb 26 06:47:11 | 82.5802 | 0.00149 | 0.3642 | 283.6750 | 118.3103 | 12.64551 | 7.743 |
| 2026 Feb 27 19:05 | 2026 Feb 26 06:47:11 | 82.5802 | 0.00149 | 0.3642 | 283.6750 | 118.3103 | 12.64551 | 7.743 |
| 2026 Feb 26 20:45 | 2026 Feb 26 06:47:11 | 82.5802 | 0.00149 | 0.3642 | 283.6750 | 118.3103 | 12.64551 | 7.743 |