Orbital elements of COSMOS 2503
| Launched | 26 February 2015 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 40420 |
| 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 Sep 15 17:56 | 2025 Sep 15 04:54:53 | 97.8747 | 0.00180 | 20.3264 | 102.0958 | 258.2291 | 15.05380 | – |
| 2025 Sep 14 17:56 | 2025 Sep 14 04:59:08 | 97.8747 | 0.00180 | 20.2586 | 105.2354 | 258.2291 | 15.05380 | – |
| 2025 Sep 12 17:57 | 2025 Sep 11 21:09:02 | 97.8748 | 0.00179 | 20.1004 | 112.5285 | 258.2291 | 15.05380 | – |
| 2025 Sep 11 17:57 | 2025 Sep 11 05:11:51 | 97.8749 | 0.00178 | 20.0551 | 114.6500 | 258.2291 | 15.05380 | – |
| 2025 Sep 10 17:56 | 2025 Sep 10 05:16:05 | 97.8749 | 0.00178 | 19.9873 | 117.6931 | 258.2291 | 15.05380 | – |
| 2025 Sep 08 17:57 | 2025 Sep 08 05:24:32 | 97.8744 | 0.00177 | 19.8517 | 124.1906 | 258.2291 | 15.05380 | – |
| 2025 Sep 07 17:56 | 2025 Sep 07 05:28:45 | 97.8747 | 0.00177 | 19.7839 | 127.1977 | 258.2291 | 15.05380 | – |
| 2025 Sep 06 20:41 | 2025 Sep 06 05:32:57 | 97.8753 | 0.00177 | 19.7161 | 130.2220 | 258.2291 | 15.05380 | – |
| 2025 Sep 03 17:57 | 2025 Sep 03 05:45:34 | 97.8765 | 0.00177 | 19.5126 | 139.1333 | 258.2291 | 15.05380 | – |
| 2025 Sep 02 17:56 | 2025 Sep 02 05:49:46 | 97.8766 | 0.00177 | 19.4448 | 142.1391 | 258.2291 | 15.05380 | – |
| 2025 Sep 01 17:56 | 2025 Sep 01 04:18:14 | 97.8765 | 0.00176 | 19.3724 | 145.4041 | 258.2291 | 15.05380 | – |
| 2025 Aug 31 17:56 | 2025 Aug 31 02:46:42 | 97.8765 | 0.00175 | 19.3001 | 148.6792 | 258.2291 | 15.05380 | – |
| 2025 Aug 30 17:56 | 2025 Aug 30 02:50:52 | 97.8767 | 0.00175 | 19.2322 | 151.8571 | 258.2291 | 15.05380 | – |
| 2025 Aug 29 17:56 | 2025 Aug 29 02:55:03 | 97.8770 | 0.00174 | 19.1644 | 155.0541 | 258.2291 | 15.05380 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 20:36:19 | 97.8776 | 0.00172 | 19.0785 | 159.6329 | 258.2291 | 15.05380 | – |
| 2025 Aug 27 17:56 | 2025 Aug 27 01:27:39 | 97.8778 | 0.00172 | 19.0242 | 162.3472 | 258.2291 | 15.05380 | – |
| 2025 Aug 26 17:56 | 2025 Aug 25 22:20:22 | 97.8781 | 0.00171 | 18.9473 | 166.2097 | 258.2291 | 15.05380 | – |
| 2025 Aug 25 17:56 | 2025 Aug 24 22:24:31 | 97.8782 | 0.00170 | 18.8795 | 169.6429 | 258.2291 | 15.05380 | – |
| 2025 Aug 24 17:56 | 2025 Aug 23 22:28:40 | 97.8782 | 0.00168 | 18.8117 | 173.0890 | 258.2291 | 15.05380 | – |
| 2025 Aug 23 17:56 | 2025 Aug 20 21:05:23 | 97.8783 | 0.00166 | 18.6036 | 183.7335 | 258.2291 | 15.05380 | – |
| 2025 Aug 22 17:56 | 2025 Aug 20 21:05:23 | 97.8783 | 0.00166 | 18.6036 | 183.7335 | 258.2291 | 15.05380 | – |