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 |
| 2026 Feb 05 18:58 | 2026 Feb 02 09:25:56 | 65.6942 | 0.00201 | 21.5746 | 209.0211 | 329.3148 | 2.13103 | – |
| 2026 Feb 04 18:57 | 2026 Feb 02 09:25:56 | 65.6942 | 0.00201 | 21.5746 | 209.0211 | 329.3148 | 2.13103 | – |
| 2026 Feb 03 18:56 | 2026 Feb 02 09:25:56 | 65.6942 | 0.00201 | 21.5746 | 209.0211 | 329.3148 | 2.13103 | – |
| 2026 Feb 02 18:56 | 2026 Feb 02 09:25:56 | 65.6942 | 0.00201 | 21.5746 | 209.0211 | 329.3148 | 2.13103 | – |
| 2026 Feb 01 18:56 | 2026 Jan 24 00:10:59 | 65.6995 | 0.00201 | 21.5956 | 209.2229 | 329.3148 | 2.13103 | – |
| 2026 Jan 31 18:56 | 2026 Jan 24 00:10:59 | 65.6995 | 0.00201 | 21.5956 | 209.2229 | 329.3148 | 2.13103 | – |
| 2026 Jan 30 18:57 | 2026 Jan 24 00:10:59 | 65.6995 | 0.00201 | 21.5956 | 209.2229 | 329.3148 | 2.13103 | – |
| 2026 Jan 29 18:56 | 2026 Jan 24 00:10:59 | 65.6995 | 0.00201 | 21.5956 | 209.2229 | 329.3148 | 2.13103 | – |
| 2026 Jan 28 18:56 | 2026 Jan 24 00:10:59 | 65.6995 | 0.00201 | 21.5956 | 209.2229 | 329.3148 | 2.13103 | – |
| 2026 Jan 27 18:56 | 2026 Jan 19 17:31:26 | 65.7020 | 0.00200 | 21.6051 | 209.1351 | 329.3148 | 2.13103 | – |
| 2026 Jan 26 18:57 | 2026 Jan 19 17:31:26 | 65.7020 | 0.00200 | 21.6051 | 209.1351 | 329.3148 | 2.13103 | – |
| 2026 Jan 25 18:57 | 2026 Jan 19 17:31:26 | 65.7020 | 0.00200 | 21.6051 | 209.1351 | 329.3148 | 2.13103 | – |
| 2026 Jan 24 18:58 | 2026 Jan 19 17:31:26 | 65.7020 | 0.00200 | 21.6051 | 209.1351 | 329.3148 | 2.13103 | – |
| 2026 Jan 22 18:56 | 2026 Jan 19 17:31:26 | 65.7020 | 0.00200 | 21.6051 | 209.1351 | 329.3148 | 2.13103 | – |
| 2026 Jan 21 18:56 | 2026 Jan 11 06:14:25 | 65.7068 | 0.00201 | 21.6241 | 209.2622 | 329.3148 | 2.13103 | – |
| 2026 Jan 20 19:06 | 2026 Jan 11 06:14:25 | 65.7068 | 0.00201 | 21.6241 | 209.2622 | 329.3148 | 2.13103 | – |
| 2026 Jan 19 18:57 | 2026 Jan 11 06:14:25 | 65.7068 | 0.00201 | 21.6241 | 209.2622 | 329.3148 | 2.13103 | – |
| 2026 Jan 18 18:57 | 2026 Jan 11 06:14:25 | 65.7068 | 0.00201 | 21.6241 | 209.2622 | 329.3148 | 2.13103 | – |
| 2026 Jan 17 18:56 | 2026 Jan 11 06:14:25 | 65.7068 | 0.00201 | 21.6241 | 209.2622 | 329.3148 | 2.13103 | – |
| 2026 Jan 16 18:57 | 2026 Jan 11 06:14:25 | 65.7068 | 0.00201 | 21.6241 | 209.2622 | 329.3148 | 2.13103 | – |
| 2026 Jan 15 18:56 | 2026 Jan 11 06:14:25 | 65.7068 | 0.00201 | 21.6241 | 209.2622 | 329.3148 | 2.13103 | – |