Orbital elements of COSMOS 1660
| Launched | 13 June 1985 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 15821 |
| 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 Jul 01 17:56 | 2025 Jun 28 14:28:30 | 73.6266 | 0.00275 | 19.9074 | 215.2360 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 30 17:56 | 2025 Jun 28 14:28:30 | 73.6266 | 0.00275 | 19.9074 | 215.2360 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 29 17:56 | 2025 Jun 28 14:28:30 | 73.6266 | 0.00275 | 19.9074 | 215.2360 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 28 17:56 | 2025 Jun 28 14:28:30 | 73.6266 | 0.00275 | 19.9074 | 215.2360 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 27 17:56 | 2025 Jun 23 08:42:16 | 73.6264 | 0.00275 | 20.3750 | 222.6053 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 26 17:56 | 2025 Jun 23 08:42:16 | 73.6264 | 0.00275 | 20.3750 | 222.6053 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 25 17:56 | 2025 Jun 23 08:42:16 | 73.6264 | 0.00275 | 20.3750 | 222.6053 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 24 17:56 | 2025 Jun 23 08:42:16 | 73.6264 | 0.00275 | 20.3750 | 222.6053 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 23 17:56 | 2025 Jun 23 08:42:16 | 73.6264 | 0.00275 | 20.3750 | 222.6053 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 22 17:56 | 2025 Jun 17 04:34:28 | 73.6261 | 0.00275 | 20.9257 | 231.2610 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 21 17:56 | 2025 Jun 17 04:34:28 | 73.6261 | 0.00275 | 20.9257 | 231.2610 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 20 17:57 | 2025 Jun 17 04:34:28 | 73.6261 | 0.00275 | 20.9257 | 231.2610 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 19 17:56 | 2025 Jun 17 04:34:28 | 73.6261 | 0.00275 | 20.9257 | 231.2610 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 18 17:56 | 2025 Jun 17 04:34:28 | 73.6261 | 0.00275 | 20.9257 | 231.2610 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 17 17:56 | 2025 Jun 17 04:34:28 | 73.6261 | 0.00275 | 20.9257 | 231.2610 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 16 17:56 | 2025 Jun 12 13:42:33 | 73.6260 | 0.00276 | 21.3380 | 237.7437 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 15 17:56 | 2025 Jun 12 13:42:33 | 73.6260 | 0.00276 | 21.3380 | 237.7437 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 14 17:56 | 2025 Jun 12 13:42:33 | 73.6260 | 0.00276 | 21.3380 | 237.7437 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 13 17:56 | 2025 Jun 12 13:42:33 | 73.6260 | 0.00276 | 21.3380 | 237.7437 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 12 17:56 | 2025 Jun 12 13:42:33 | 73.6260 | 0.00276 | 21.3380 | 237.7437 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 11 17:56 | 2025 Jun 05 21:40:17 | 73.6257 | 0.00276 | 21.9330 | 247.0610 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 10 17:56 | 2025 Jun 05 21:40:17 | 73.6257 | 0.00276 | 21.9330 | 247.0610 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 09 17:56 | 2025 Jun 05 21:40:17 | 73.6257 | 0.00276 | 21.9330 | 247.0610 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 08 17:56 | 2025 Jun 05 21:40:17 | 73.6257 | 0.00276 | 21.9330 | 247.0610 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 07 17:56 | 2025 Jun 05 21:40:17 | 73.6257 | 0.00276 | 21.9330 | 247.0610 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 06 17:56 | 2025 Jun 05 21:40:17 | 73.6257 | 0.00276 | 21.9330 | 247.0610 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 05 17:56 | 2025 Jun 01 14:35:57 | 73.6257 | 0.00276 | 22.3163 | 253.1235 | 159.7659 | 12.40794 | 4.743 |
| 2025 Jun 04 17:57 | 2025 Jun 01 14:35:57 | 73.6257 | 0.00276 | 22.3163 | 253.1235 | 159.7659 | 12.40794 | 4.743 |