Orbital elements of COSMOS 1884
| Launched | 15 September 1987 |
| Flight ended | – |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 18356 |
| Alternative names |
GLONASS GLONASS 21 |
| 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 06 18:56 | 2025 Nov 26 19:48:34 | 65.7298 | 0.00203 | 21.7257 | 209.5626 | 333.3302 | 2.13103 | – |
| 2025 Dec 05 18:57 | 2025 Nov 26 19:48:34 | 65.7298 | 0.00203 | 21.7257 | 209.5626 | 333.3302 | 2.13103 | – |
| 2025 Dec 04 18:57 | 2025 Nov 26 19:48:34 | 65.7298 | 0.00203 | 21.7257 | 209.5626 | 333.3302 | 2.13103 | – |
| 2025 Dec 03 18:56 | 2025 Nov 26 19:48:34 | 65.7298 | 0.00203 | 21.7257 | 209.5626 | 333.3302 | 2.13103 | – |
| 2025 Dec 02 18:56 | 2025 Nov 26 19:48:34 | 65.7298 | 0.00203 | 21.7257 | 209.5626 | 333.3302 | 2.13103 | – |
| 2025 Nov 30 18:57 | 2025 Nov 24 11:09:35 | 65.7304 | 0.00203 | 21.7310 | 209.6224 | 333.3302 | 2.13103 | – |
| 2025 Nov 29 18:56 | 2025 Nov 24 11:09:35 | 65.7304 | 0.00203 | 21.7310 | 209.6224 | 333.3302 | 2.13103 | – |
| 2025 Nov 28 18:57 | 2025 Nov 24 11:09:35 | 65.7304 | 0.00203 | 21.7310 | 209.6224 | 333.3302 | 2.13103 | – |
| 2025 Nov 27 18:57 | 2025 Nov 24 11:09:35 | 65.7304 | 0.00203 | 21.7310 | 209.6224 | 333.3302 | 2.13103 | – |
| 2025 Nov 26 18:57 | 2025 Nov 24 11:09:35 | 65.7304 | 0.00203 | 21.7310 | 209.6224 | 333.3302 | 2.13103 | – |
| 2025 Nov 25 18:57 | 2025 Nov 24 11:09:35 | 65.7304 | 0.00203 | 21.7310 | 209.6224 | 333.3302 | 2.13103 | – |
| 2025 Nov 24 18:56 | 2025 Nov 18 03:16:29 | 65.7339 | 0.00203 | 21.7451 | 209.4583 | 333.3302 | 2.13103 | – |
| 2025 Nov 23 18:57 | 2025 Nov 18 03:16:29 | 65.7339 | 0.00203 | 21.7451 | 209.4583 | 333.3302 | 2.13103 | – |
| 2025 Nov 21 18:57 | 2025 Nov 18 03:16:29 | 65.7339 | 0.00203 | 21.7451 | 209.4583 | 333.3302 | 2.13103 | – |
| 2025 Nov 20 18:56 | 2025 Nov 18 03:16:29 | 65.7339 | 0.00203 | 21.7451 | 209.4583 | 333.3302 | 2.13103 | – |
| 2025 Nov 18 18:57 | 2025 Nov 08 06:46:10 | 65.7388 | 0.00203 | 21.7672 | 209.5711 | 333.3302 | 2.13103 | – |
| 2025 Nov 16 18:58 | 2025 Nov 08 06:46:10 | 65.7388 | 0.00203 | 21.7672 | 209.5711 | 333.3302 | 2.13103 | – |
| 2025 Nov 15 18:57 | 2025 Nov 08 06:46:10 | 65.7388 | 0.00203 | 21.7672 | 209.5711 | 333.3302 | 2.13103 | – |
| 2025 Nov 13 18:56 | 2025 Nov 08 06:46:10 | 65.7388 | 0.00203 | 21.7672 | 209.5711 | 333.3302 | 2.13103 | – |
| 2025 Nov 12 18:57 | 2025 Nov 08 06:46:10 | 65.7388 | 0.00203 | 21.7672 | 209.5711 | 333.3302 | 2.13103 | – |
| 2025 Nov 11 18:55 | 2025 Nov 08 06:46:10 | 65.7388 | 0.00203 | 21.7672 | 209.5711 | 333.3302 | 2.13103 | – |
| 2025 Nov 10 18:57 | 2025 Nov 08 06:46:10 | 65.7388 | 0.00203 | 21.7672 | 209.5711 | 333.3302 | 2.13103 | – |
| 2025 Nov 09 18:57 | 2025 Nov 08 06:46:10 | 65.7388 | 0.00203 | 21.7672 | 209.5711 | 333.3302 | 2.13103 | – |