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 Jul 09 17:56 | 2026 Jun 28 13:40:55 | 65.6151 | 0.00209 | 21.2469 | 206.2887 | 153.9472 | 2.13103 | – |
| 2026 Jul 08 17:56 | 2026 Jun 28 13:40:55 | 65.6151 | 0.00209 | 21.2469 | 206.2887 | 153.9472 | 2.13103 | – |
| 2026 Jul 07 17:56 | 2026 Jun 28 13:40:55 | 65.6151 | 0.00209 | 21.2469 | 206.2887 | 153.9472 | 2.13103 | – |
| 2026 Jul 06 17:57 | 2026 Jun 28 13:40:55 | 65.6151 | 0.00209 | 21.2469 | 206.2887 | 153.9472 | 2.13103 | – |
| 2026 Jul 05 17:56 | 2026 Jun 28 13:40:55 | 65.6151 | 0.00209 | 21.2469 | 206.2887 | 153.9472 | 2.13103 | – |
| 2026 Jul 04 17:56 | 2026 Jun 28 13:40:55 | 65.6151 | 0.00209 | 21.2469 | 206.2887 | 153.9472 | 2.13103 | – |
| 2026 Jul 03 17:57 | 2026 Jun 28 13:40:55 | 65.6151 | 0.00209 | 21.2469 | 206.2887 | 153.9472 | 2.13103 | – |
| 2026 Jul 02 17:56 | 2026 Jun 28 13:40:55 | 65.6151 | 0.00209 | 21.2469 | 206.2887 | 153.9472 | 2.13103 | – |
| 2026 Jul 01 17:56 | 2026 Jun 28 13:40:55 | 65.6151 | 0.00209 | 21.2469 | 206.2887 | 153.9472 | 2.13103 | – |
| 2026 Jun 30 17:56 | 2026 Jun 28 13:40:55 | 65.6151 | 0.00209 | 21.2469 | 206.2887 | 153.9472 | 2.13103 | – |
| 2026 Jun 29 17:57 | 2026 Jun 28 13:40:55 | 65.6151 | 0.00209 | 21.2469 | 206.2887 | 153.9472 | 2.13103 | – |
| 2026 Jun 28 17:56 | 2026 Jun 21 12:46:57 | 65.6188 | 0.00206 | 21.2627 | 206.1145 | 153.9472 | 2.13103 | – |
| 2026 Jun 27 17:55 | 2026 Jun 21 12:46:57 | 65.6188 | 0.00206 | 21.2627 | 206.1145 | 153.9472 | 2.13103 | – |
| 2026 Jun 26 17:56 | 2026 Jun 21 12:46:57 | 65.6188 | 0.00206 | 21.2627 | 206.1145 | 153.9472 | 2.13103 | – |
| 2026 Jun 25 17:56 | 2026 Jun 21 12:46:57 | 65.6188 | 0.00206 | 21.2627 | 206.1145 | 153.9472 | 2.13103 | – |
| 2026 Jun 24 17:55 | 2026 Jun 21 12:46:57 | 65.6188 | 0.00206 | 21.2627 | 206.1145 | 153.9472 | 2.13103 | – |
| 2026 Jun 23 17:56 | 2026 Jun 21 12:46:57 | 65.6188 | 0.00206 | 21.2627 | 206.1145 | 153.9472 | 2.13103 | – |
| 2026 Jun 22 17:56 | 2026 Jun 15 00:15:16 | 65.6230 | 0.00206 | 21.2773 | 206.1691 | 153.9472 | 2.13103 | – |
| 2026 Jun 21 17:57 | 2026 Jun 15 00:15:16 | 65.6230 | 0.00206 | 21.2773 | 206.1691 | 153.9472 | 2.13103 | – |
| 2026 Jun 20 17:56 | 2026 Jun 15 00:15:16 | 65.6230 | 0.00206 | 21.2773 | 206.1691 | 153.9472 | 2.13103 | – |
| 2026 Jun 19 17:57 | 2026 Jun 15 00:15:16 | 65.6230 | 0.00206 | 21.2773 | 206.1691 | 153.9472 | 2.13103 | – |
| 2026 Jun 18 17:56 | 2026 Jun 15 00:15:16 | 65.6230 | 0.00206 | 21.2773 | 206.1691 | 153.9472 | 2.13103 | – |
| 2026 Jun 17 17:57 | 2026 Jun 15 00:15:16 | 65.6230 | 0.00206 | 21.2773 | 206.1691 | 153.9472 | 2.13103 | – |
| 2026 Jun 16 17:55 | 2026 Jun 09 19:07:57 | 65.6255 | 0.00206 | 21.2890 | 206.1777 | 153.9472 | 2.13103 | – |
| 2026 Jun 15 17:56 | 2026 Jun 09 19:07:57 | 65.6255 | 0.00206 | 21.2890 | 206.1777 | 153.9472 | 2.13103 | – |
| 2026 Jun 14 17:57 | 2026 Jun 09 19:07:57 | 65.6255 | 0.00206 | 21.2890 | 206.1777 | 153.9472 | 2.13103 | – |
| 2026 Jun 13 17:56 | 2026 Jun 09 19:07:57 | 65.6255 | 0.00206 | 21.2890 | 206.1777 | 153.9472 | 2.13103 | – |
| 2026 Jun 12 17:56 | 2026 Jun 09 19:07:57 | 65.6255 | 0.00206 | 21.2890 | 206.1777 | 153.9472 | 2.13103 | – |