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 |
| 2026 May 12 17:58 | 2026 May 10 11:54:33 | 74.0045 | 0.00208 | 12.0346 | 188.7357 | 171.3436 | 14.34563 | 6.243 |
| 2026 May 11 17:56 | 2026 May 10 11:54:33 | 74.0045 | 0.00208 | 12.0346 | 188.7357 | 171.3436 | 14.34563 | 6.243 |
| 2026 May 10 17:57 | 2026 May 10 11:54:33 | 74.0045 | 0.00208 | 12.0346 | 188.7357 | 171.3436 | 14.34563 | 6.243 |
| 2026 May 09 17:57 | 2026 May 05 11:24:21 | 74.0054 | 0.00210 | 12.6488 | 199.0059 | 171.3436 | 14.34563 | 6.243 |
| 2026 May 08 17:57 | 2026 May 05 11:24:21 | 74.0054 | 0.00210 | 12.6488 | 199.0059 | 171.3436 | 14.34563 | 6.243 |
| 2026 May 07 17:58 | 2026 May 05 11:24:21 | 74.0054 | 0.00210 | 12.6488 | 199.0059 | 171.3436 | 14.34563 | 6.243 |
| 2026 May 06 17:57 | 2026 May 05 11:24:21 | 74.0054 | 0.00210 | 12.6488 | 199.0059 | 171.3436 | 14.34563 | 6.243 |
| 2026 May 05 17:57 | 2026 May 05 11:24:21 | 74.0054 | 0.00210 | 12.6488 | 199.0059 | 171.3436 | 14.34563 | 6.243 |
| 2026 May 04 17:57 | 2026 Apr 30 14:14:59 | 74.0058 | 0.00212 | 13.2459 | 208.8083 | 171.3436 | 14.34563 | 6.243 |
| 2026 May 03 17:57 | 2026 Apr 30 14:14:59 | 74.0058 | 0.00212 | 13.2459 | 208.8083 | 171.3436 | 14.34563 | 6.243 |
| 2026 May 02 17:57 | 2026 Apr 30 14:14:59 | 74.0058 | 0.00212 | 13.2459 | 208.8083 | 171.3436 | 14.34563 | 6.243 |
| 2026 May 01 17:56 | 2026 Apr 30 14:14:59 | 74.0058 | 0.00212 | 13.2459 | 208.8083 | 171.3436 | 14.34563 | 6.243 |
| 2026 Apr 30 17:56 | 2026 Apr 30 14:14:59 | 74.0058 | 0.00212 | 13.2459 | 208.8083 | 171.3436 | 14.34563 | 6.243 |
| 2026 Apr 29 17:57 | 2026 Apr 24 12:38:29 | 74.0062 | 0.00214 | 13.9880 | 220.9586 | 171.3436 | 14.34563 | 6.243 |
| 2026 Apr 28 17:56 | 2026 Apr 24 12:38:29 | 74.0062 | 0.00214 | 13.9880 | 220.9586 | 171.3436 | 14.34563 | 6.243 |
| 2026 Apr 27 17:58 | 2026 Apr 24 12:38:29 | 74.0062 | 0.00214 | 13.9880 | 220.9586 | 171.3436 | 14.34563 | 6.243 |
| 2026 Apr 26 17:58 | 2026 Apr 24 12:38:29 | 74.0062 | 0.00214 | 13.9880 | 220.9586 | 171.3436 | 14.34563 | 6.243 |
| 2026 Apr 25 17:58 | 2026 Apr 24 12:38:29 | 74.0062 | 0.00214 | 13.9880 | 220.9586 | 171.3436 | 14.34563 | 6.243 |
| 2026 Apr 24 17:59 | 2026 Apr 24 12:38:29 | 74.0062 | 0.00214 | 13.9880 | 220.9586 | 171.3436 | 14.34563 | 6.243 |
| 2026 Apr 23 17:57 | 2026 Apr 19 07:07:00 | 74.0056 | 0.00215 | 14.6277 | 231.2840 | 171.3436 | 14.34563 | 6.243 |
| 2026 Apr 22 17:57 | 2026 Apr 19 07:07:00 | 74.0056 | 0.00215 | 14.6277 | 231.2840 | 171.3436 | 14.34563 | 6.243 |
| 2026 Apr 21 17:57 | 2026 Apr 19 07:07:00 | 74.0056 | 0.00215 | 14.6277 | 231.2840 | 171.3436 | 14.34563 | 6.243 |
| 2026 Apr 20 17:57 | 2026 Apr 19 07:07:00 | 74.0056 | 0.00215 | 14.6277 | 231.2840 | 171.3436 | 14.34563 | 6.243 |
| 2026 Apr 19 17:58 | 2026 Apr 19 07:07:00 | 74.0056 | 0.00215 | 14.6277 | 231.2840 | 171.3436 | 14.34563 | 6.243 |
| 2026 Apr 18 17:56 | 2026 Apr 13 07:10:54 | 74.0052 | 0.00216 | 15.3613 | 243.1365 | 171.3436 | 14.34563 | 6.243 |
| 2026 Apr 16 17:57 | 2026 Apr 13 07:10:54 | 74.0052 | 0.00216 | 15.3613 | 243.1365 | 171.3436 | 14.34563 | 6.243 |