Orbital elements of COSMOS 1898
| Launched | 30 November 1987 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 18585 |
| 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 Dec 13 18:56 | 2025 Dec 12 06:13:27 | 74.0057 | 0.00198 | 6.2901 | 136.4245 | 223.8479 | 14.34504 | 6.243 |
| 2025 Dec 12 18:57 | 2025 Dec 12 06:13:27 | 74.0057 | 0.00198 | 6.2901 | 136.4245 | 223.8479 | 14.34504 | 6.243 |
| 2025 Dec 11 18:56 | 2025 Dec 07 07:23:23 | 74.0052 | 0.00200 | 6.8957 | 147.1281 | 223.8479 | 14.34504 | 6.243 |
| 2025 Dec 10 18:56 | 2025 Dec 07 07:23:23 | 74.0052 | 0.00200 | 6.8957 | 147.1281 | 223.8479 | 14.34504 | 6.243 |
| 2025 Dec 09 18:56 | 2025 Dec 07 07:23:23 | 74.0052 | 0.00200 | 6.8957 | 147.1281 | 223.8479 | 14.34504 | 6.243 |
| 2025 Dec 08 18:56 | 2025 Dec 07 07:23:23 | 74.0052 | 0.00200 | 6.8957 | 147.1281 | 223.8479 | 14.34504 | 6.243 |
| 2025 Dec 07 18:56 | 2025 Dec 07 07:23:23 | 74.0052 | 0.00200 | 6.8957 | 147.1281 | 223.8479 | 14.34504 | 6.243 |
| 2025 Dec 06 18:56 | 2025 Dec 02 11:54:08 | 74.0045 | 0.00202 | 7.4843 | 157.3458 | 223.8479 | 14.34504 | 6.243 |
| 2025 Dec 05 18:57 | 2025 Dec 02 11:54:08 | 74.0045 | 0.00202 | 7.4843 | 157.3458 | 223.8479 | 14.34504 | 6.243 |
| 2025 Dec 04 18:57 | 2025 Dec 02 11:54:08 | 74.0045 | 0.00202 | 7.4843 | 157.3458 | 223.8479 | 14.34504 | 6.243 |
| 2025 Dec 03 18:56 | 2025 Dec 02 11:54:08 | 74.0045 | 0.00202 | 7.4843 | 157.3458 | 223.8479 | 14.34504 | 6.243 |
| 2025 Dec 02 18:56 | 2025 Dec 02 11:54:08 | 74.0045 | 0.00202 | 7.4843 | 157.3458 | 223.8479 | 14.34504 | 6.243 |
| 2025 Nov 30 18:57 | 2025 Nov 25 10:51:17 | 74.0032 | 0.00205 | 8.3458 | 171.9146 | 223.8479 | 14.34504 | 6.243 |
| 2025 Nov 29 18:56 | 2025 Nov 25 10:51:17 | 74.0032 | 0.00205 | 8.3458 | 171.9146 | 223.8479 | 14.34504 | 6.243 |
| 2025 Nov 28 18:57 | 2025 Nov 25 10:51:17 | 74.0032 | 0.00205 | 8.3458 | 171.9146 | 223.8479 | 14.34504 | 6.243 |
| 2025 Nov 27 18:57 | 2025 Nov 25 10:51:17 | 74.0032 | 0.00205 | 8.3458 | 171.9146 | 223.8479 | 14.34504 | 6.243 |
| 2025 Nov 26 18:57 | 2025 Nov 25 10:51:17 | 74.0032 | 0.00205 | 8.3458 | 171.9146 | 223.8479 | 14.34504 | 6.243 |
| 2025 Nov 25 18:57 | 2025 Nov 25 10:51:17 | 74.0032 | 0.00205 | 8.3458 | 171.9146 | 223.8479 | 14.34504 | 6.243 |
| 2025 Nov 24 18:56 | 2025 Nov 20 05:19:27 | 74.0031 | 0.00208 | 8.9856 | 182.7846 | 223.8479 | 14.34504 | 6.243 |
| 2025 Nov 23 18:57 | 2025 Nov 20 05:19:27 | 74.0031 | 0.00208 | 8.9856 | 182.7846 | 223.8479 | 14.34504 | 6.243 |
| 2025 Nov 21 18:57 | 2025 Nov 20 05:19:27 | 74.0031 | 0.00208 | 8.9856 | 182.7846 | 223.8479 | 14.34504 | 6.243 |
| 2025 Nov 20 18:56 | 2025 Nov 20 05:19:27 | 74.0031 | 0.00208 | 8.9856 | 182.7846 | 223.8479 | 14.34504 | 6.243 |
| 2025 Nov 18 18:57 | 2025 Nov 08 13:48:31 | 74.0029 | 0.00212 | 10.4102 | 206.4699 | 223.8479 | 14.34504 | 6.243 |
| 2025 Nov 16 18:58 | 2025 Nov 08 13:48:31 | 74.0029 | 0.00212 | 10.4102 | 206.4699 | 223.8479 | 14.34504 | 6.243 |