Orbital elements of COSMOS 1821
| Launched | 17 February 1987 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 17525 |
| 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 |
| 2024 Aug 15 17:54 | 2024 Aug 12 11:26:30 | 82.9145 | 0.00372 | 20.5471 | 24.3899 | 345.9526 | 13.73851 | 5.743 |
| 2024 Aug 14 17:53 | 2024 Aug 12 11:26:30 | 82.9145 | 0.00372 | 20.5471 | 24.3899 | 345.9526 | 13.73851 | 5.743 |
| 2024 Aug 13 17:53 | 2024 Aug 12 11:26:30 | 82.9145 | 0.00372 | 20.5471 | 24.3899 | 345.9526 | 13.73851 | 5.743 |
| 2024 Aug 12 17:53 | 2024 Aug 12 11:26:30 | 82.9145 | 0.00372 | 20.5471 | 24.3899 | 345.9526 | 13.73851 | 5.743 |
| 2024 Aug 11 17:53 | 2024 Aug 06 19:38:15 | 82.9151 | 0.00376 | 20.8271 | 39.9039 | 345.9526 | 13.73851 | 5.743 |
| 2024 Aug 10 17:54 | 2024 Aug 06 19:38:15 | 82.9151 | 0.00376 | 20.8271 | 39.9039 | 345.9526 | 13.73851 | 5.743 |
| 2024 Aug 09 17:54 | 2024 Aug 06 19:38:15 | 82.9151 | 0.00376 | 20.8271 | 39.9039 | 345.9526 | 13.73851 | 5.743 |
| 2024 Aug 08 17:56 | 2024 Aug 06 19:38:15 | 82.9151 | 0.00376 | 20.8271 | 39.9039 | 345.9526 | 13.73851 | 5.743 |
| 2024 Aug 07 17:53 | 2024 Aug 06 19:38:15 | 82.9151 | 0.00376 | 20.8271 | 39.9039 | 345.9526 | 13.73851 | 5.743 |
| 2024 Aug 06 17:52 | 2024 Jul 27 09:24:26 | 82.9153 | 0.00380 | 21.3430 | 68.0568 | 345.9526 | 13.73851 | 5.743 |
| 2024 Aug 05 17:52 | 2024 Jul 27 09:24:26 | 82.9153 | 0.00380 | 21.3430 | 68.0568 | 345.9526 | 13.73851 | 5.743 |
| 2024 Aug 04 17:53 | 2024 Jul 27 09:24:26 | 82.9153 | 0.00380 | 21.3430 | 68.0568 | 345.9526 | 13.73851 | 5.743 |
| 2024 Aug 03 17:54 | 2024 Jul 27 09:24:26 | 82.9153 | 0.00380 | 21.3430 | 68.0568 | 345.9526 | 13.73851 | 5.743 |
| 2024 Aug 02 17:54 | 2024 Jul 27 09:24:26 | 82.9153 | 0.00380 | 21.3430 | 68.0568 | 345.9526 | 13.73851 | 5.743 |
| 2024 Aug 01 17:54 | 2024 Jul 27 09:24:26 | 82.9153 | 0.00380 | 21.3430 | 68.0568 | 345.9526 | 13.73851 | 5.743 |
| 2024 Jul 31 17:53 | 2024 Jul 27 09:24:26 | 82.9153 | 0.00380 | 21.3430 | 68.0568 | 345.9526 | 13.73851 | 5.743 |
| 2024 Jul 30 17:53 | 2024 Jul 27 09:24:26 | 82.9153 | 0.00380 | 21.3430 | 68.0568 | 345.9526 | 13.73851 | 5.743 |
| 2024 Jul 29 17:53 | 2024 Jul 27 09:24:26 | 82.9153 | 0.00380 | 21.3430 | 68.0568 | 345.9526 | 13.73851 | 5.743 |
| 2024 Jul 28 18:00 | 2024 Jul 27 09:24:26 | 82.9153 | 0.00380 | 21.3430 | 68.0568 | 345.9526 | 13.73851 | 5.743 |
| 2024 Jul 27 17:53 | 2024 Jul 27 09:24:26 | 82.9153 | 0.00380 | 21.3430 | 68.0568 | 345.9526 | 13.73851 | 5.743 |
| 2024 Jul 26 17:53 | 2024 Jul 22 10:34:23 | 82.9152 | 0.00381 | 21.5881 | 81.3498 | 345.9526 | 13.73851 | 5.743 |
| 2024 Jul 25 17:54 | 2024 Jul 22 10:34:23 | 82.9152 | 0.00381 | 21.5881 | 81.3498 | 345.9526 | 13.73851 | 5.743 |
| 2024 Jul 24 17:53 | 2024 Jul 22 10:34:23 | 82.9152 | 0.00381 | 21.5881 | 81.3498 | 345.9526 | 13.73851 | 5.743 |
| 2024 Jul 23 17:52 | 2024 Jul 22 10:34:23 | 82.9152 | 0.00381 | 21.5881 | 81.3498 | 345.9526 | 13.73851 | 5.743 |
| 2024 Jul 22 17:52 | 2024 Jul 22 10:34:23 | 82.9152 | 0.00381 | 21.5881 | 81.3498 | 345.9526 | 13.73851 | 5.743 |
| 2024 Jul 21 17:52 | 2024 Jul 16 11:17:04 | 82.9149 | 0.00382 | 21.8835 | 97.3809 | 345.9526 | 13.73851 | 5.743 |
| 2024 Jul 20 17:53 | 2024 Jul 16 11:17:04 | 82.9149 | 0.00382 | 21.8835 | 97.3809 | 345.9526 | 13.73851 | 5.743 |
| 2024 Jul 19 17:53 | 2024 Jul 16 11:17:04 | 82.9149 | 0.00382 | 21.8835 | 97.3809 | 345.9526 | 13.73851 | 5.743 |