Orbital elements of COSMOS 623
| Launched | 18 December 1973 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 6991 |
| 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 May 31 17:58 | 2026 May 31 08:05:13 | 74.0311 | 0.00625 | 1.2916 | 105.3592 | 12.4141 | 12.56958 | – |
| 2026 May 30 17:57 | 2026 May 26 04:14:07 | 74.0315 | 0.00624 | 1.7547 | 113.2901 | 12.4141 | 12.56958 | – |
| 2026 May 29 17:57 | 2026 May 26 04:14:07 | 74.0315 | 0.00624 | 1.7547 | 113.2901 | 12.4141 | 12.56958 | – |
| 2026 May 28 17:56 | 2026 May 26 04:14:07 | 74.0315 | 0.00624 | 1.7547 | 113.2901 | 12.4141 | 12.56958 | – |
| 2026 May 27 17:57 | 2026 May 26 04:14:07 | 74.0315 | 0.00624 | 1.7547 | 113.2901 | 12.4141 | 12.56958 | – |
| 2026 May 26 17:57 | 2026 May 26 04:14:07 | 74.0315 | 0.00624 | 1.7547 | 113.2901 | 12.4141 | 12.56958 | – |
| 2026 May 25 17:57 | 2026 May 21 03:35:21 | 74.0317 | 0.00625 | 2.2059 | 121.0198 | 12.4141 | 12.56958 | – |
| 2026 May 24 17:57 | 2026 May 21 03:35:21 | 74.0317 | 0.00625 | 2.2059 | 121.0198 | 12.4141 | 12.56958 | – |
| 2026 May 23 17:58 | 2026 May 21 03:35:21 | 74.0317 | 0.00625 | 2.2059 | 121.0198 | 12.4141 | 12.56958 | – |
| 2026 May 22 17:57 | 2026 May 21 03:35:21 | 74.0317 | 0.00625 | 2.2059 | 121.0198 | 12.4141 | 12.56958 | – |
| 2026 May 21 17:57 | 2026 May 21 03:35:21 | 74.0317 | 0.00625 | 2.2059 | 121.0198 | 12.4141 | 12.56958 | – |
| 2026 May 20 17:57 | 2026 May 16 10:53:24 | 74.0317 | 0.00625 | 2.6273 | 128.2424 | 12.4141 | 12.56958 | – |
| 2026 May 19 17:58 | 2026 May 16 10:53:24 | 74.0317 | 0.00625 | 2.6273 | 128.2424 | 12.4141 | 12.56958 | – |
| 2026 May 18 17:57 | 2026 May 16 10:53:24 | 74.0317 | 0.00625 | 2.6273 | 128.2424 | 12.4141 | 12.56958 | – |
| 2026 May 17 17:57 | 2026 May 16 10:53:24 | 74.0317 | 0.00625 | 2.6273 | 128.2424 | 12.4141 | 12.56958 | – |
| 2026 May 16 17:56 | 2026 May 16 10:53:24 | 74.0317 | 0.00625 | 2.6273 | 128.2424 | 12.4141 | 12.56958 | – |
| 2026 May 15 17:57 | 2026 May 10 11:38:52 | 74.0315 | 0.00626 | 3.1630 | 137.4229 | 12.4141 | 12.56958 | – |
| 2026 May 14 17:58 | 2026 May 10 11:38:52 | 74.0315 | 0.00626 | 3.1630 | 137.4229 | 12.4141 | 12.56958 | – |
| 2026 May 13 17:58 | 2026 May 10 11:38:52 | 74.0315 | 0.00626 | 3.1630 | 137.4229 | 12.4141 | 12.56958 | – |
| 2026 May 12 17:58 | 2026 May 10 11:38:52 | 74.0315 | 0.00626 | 3.1630 | 137.4229 | 12.4141 | 12.56958 | – |
| 2026 May 11 17:56 | 2026 May 10 11:38:52 | 74.0315 | 0.00626 | 3.1630 | 137.4229 | 12.4141 | 12.56958 | – |
| 2026 May 10 17:57 | 2026 May 10 11:38:52 | 74.0315 | 0.00626 | 3.1630 | 137.4229 | 12.4141 | 12.56958 | – |
| 2026 May 09 17:57 | 2026 May 05 13:12:25 | 74.0310 | 0.00626 | 3.6059 | 145.0142 | 12.4141 | 12.56958 | – |
| 2026 May 08 17:57 | 2026 May 05 13:12:25 | 74.0310 | 0.00626 | 3.6059 | 145.0142 | 12.4141 | 12.56958 | – |
| 2026 May 07 17:58 | 2026 May 05 13:12:25 | 74.0310 | 0.00626 | 3.6059 | 145.0142 | 12.4141 | 12.56958 | – |
| 2026 May 06 17:57 | 2026 May 05 13:12:25 | 74.0310 | 0.00626 | 3.6059 | 145.0142 | 12.4141 | 12.56958 | – |
| 2026 May 05 17:57 | 2026 May 05 13:12:25 | 74.0310 | 0.00626 | 3.6059 | 145.0142 | 12.4141 | 12.56958 | – |
| 2026 May 04 17:57 | 2026 Apr 30 12:55:03 | 74.0303 | 0.00627 | 4.0557 | 152.7092 | 12.4141 | 12.56958 | – |