Orbital elements of COSMOS 1521
| Launched | 28 December 1983 |
| Flight ended | – |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 14592 |
| Alternative names |
GLONASS GLONASS-GVM 4 |
| 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 29 22:56:02 | 66.3858 | 0.00624 | 22.0914 | 192.0980 | 350.0562 | 2.13837 | – |
| 2025 Dec 05 18:57 | 2025 Nov 29 22:56:02 | 66.3858 | 0.00624 | 22.0914 | 192.0980 | 350.0562 | 2.13837 | – |
| 2025 Dec 04 18:57 | 2025 Nov 29 22:56:02 | 66.3858 | 0.00624 | 22.0914 | 192.0980 | 350.0562 | 2.13837 | – |
| 2025 Dec 03 18:56 | 2025 Nov 29 22:56:02 | 66.3858 | 0.00624 | 22.0914 | 192.0980 | 350.0562 | 2.13837 | – |
| 2025 Dec 02 18:56 | 2025 Nov 29 22:56:02 | 66.3858 | 0.00624 | 22.0914 | 192.0980 | 350.0562 | 2.13837 | – |
| 2025 Nov 30 18:57 | 2025 Nov 20 08:40:38 | 66.3898 | 0.00623 | 22.1125 | 192.1183 | 350.0562 | 2.13837 | – |
| 2025 Nov 29 18:56 | 2025 Nov 20 08:40:38 | 66.3898 | 0.00623 | 22.1125 | 192.1183 | 350.0562 | 2.13837 | – |
| 2025 Nov 28 18:57 | 2025 Nov 20 08:40:38 | 66.3898 | 0.00623 | 22.1125 | 192.1183 | 350.0562 | 2.13837 | – |
| 2025 Nov 27 18:57 | 2025 Nov 20 08:40:38 | 66.3898 | 0.00623 | 22.1125 | 192.1183 | 350.0562 | 2.13837 | – |
| 2025 Nov 26 18:57 | 2025 Nov 20 08:40:38 | 66.3898 | 0.00623 | 22.1125 | 192.1183 | 350.0562 | 2.13837 | – |
| 2025 Nov 25 18:57 | 2025 Nov 20 08:40:38 | 66.3898 | 0.00623 | 22.1125 | 192.1183 | 350.0562 | 2.13837 | – |
| 2025 Nov 24 18:56 | 2025 Nov 14 11:44:09 | 66.3922 | 0.00624 | 22.1254 | 192.1104 | 350.0562 | 2.13837 | – |
| 2025 Nov 23 18:57 | 2025 Nov 14 11:44:09 | 66.3922 | 0.00624 | 22.1254 | 192.1104 | 350.0562 | 2.13837 | – |
| 2025 Nov 21 18:57 | 2025 Nov 14 11:44:09 | 66.3922 | 0.00624 | 22.1254 | 192.1104 | 350.0562 | 2.13837 | – |
| 2025 Nov 20 18:56 | 2025 Nov 14 11:44:09 | 66.3922 | 0.00624 | 22.1254 | 192.1104 | 350.0562 | 2.13837 | – |
| 2025 Nov 18 18:57 | 2025 Nov 07 11:12:40 | 66.3955 | 0.00626 | 22.1408 | 192.0587 | 350.0562 | 2.13837 | – |
| 2025 Nov 16 18:58 | 2025 Nov 07 11:12:40 | 66.3955 | 0.00626 | 22.1408 | 192.0587 | 350.0562 | 2.13837 | – |
| 2025 Nov 15 18:57 | 2025 Nov 07 11:12:40 | 66.3955 | 0.00626 | 22.1408 | 192.0587 | 350.0562 | 2.13837 | – |
| 2025 Nov 13 18:56 | 2025 Nov 07 11:12:40 | 66.3955 | 0.00626 | 22.1408 | 192.0587 | 350.0562 | 2.13837 | – |
| 2025 Nov 12 18:57 | 2025 Nov 07 11:12:40 | 66.3955 | 0.00626 | 22.1408 | 192.0587 | 350.0562 | 2.13837 | – |
| 2025 Nov 11 18:55 | 2025 Nov 07 11:12:40 | 66.3955 | 0.00626 | 22.1408 | 192.0587 | 350.0562 | 2.13837 | – |
| 2025 Nov 10 18:57 | 2025 Nov 07 11:12:40 | 66.3955 | 0.00626 | 22.1408 | 192.0587 | 350.0562 | 2.13837 | – |
| 2025 Nov 09 18:57 | 2025 Nov 07 11:12:40 | 66.3955 | 0.00626 | 22.1408 | 192.0587 | 350.0562 | 2.13837 | – |