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 |
| 2026 Mar 30 17:58 | 2026 Mar 30 10:07:44 | 97.8401 | 0.00169 | 9.6539 | 154.3694 | 205.8374 | 15.06359 | – |
| 2026 Mar 29 17:57 | 2026 Mar 29 03:50:17 | 97.8400 | 0.00168 | 9.5682 | 158.7282 | 205.8374 | 15.06359 | – |
| 2026 Mar 28 18:57 | 2026 Mar 28 10:18:05 | 97.8401 | 0.00167 | 9.5187 | 161.1831 | 205.8374 | 15.06359 | – |
| 2026 Mar 27 18:57 | 2026 Mar 27 02:24:58 | 97.8401 | 0.00166 | 9.4286 | 165.8900 | 205.8374 | 15.06359 | – |
| 2026 Mar 26 18:57 | 2026 Mar 26 10:28:24 | 97.8404 | 0.00165 | 9.3835 | 167.7781 | 205.8374 | 15.06359 | – |
| 2026 Mar 25 18:56 | 2026 Mar 25 02:35:17 | 97.8406 | 0.00164 | 9.2934 | 172.1125 | 205.8374 | 15.06359 | – |
| 2026 Mar 24 18:56 | 2026 Mar 24 02:40:26 | 97.8408 | 0.00163 | 9.2258 | 175.4023 | 205.8374 | 15.06359 | – |
| 2026 Mar 23 18:56 | 2026 Mar 23 02:45:34 | 97.8409 | 0.00162 | 9.1582 | 178.6172 | 205.8374 | 15.06359 | – |
| 2026 Mar 22 18:56 | 2026 Mar 22 02:50:43 | 97.8411 | 0.00161 | 9.0906 | 181.9156 | 205.8374 | 15.06359 | – |
| 2026 Mar 21 19:05 | 2026 Mar 21 14:05:27 | 97.8413 | 0.00161 | 9.0546 | 183.7138 | 205.8374 | 15.06359 | – |
| 2026 Mar 20 18:57 | 2026 Mar 20 09:23:37 | 97.8416 | 0.00160 | 8.9735 | 187.6443 | 205.8374 | 15.06359 | – |
| 2026 Mar 19 18:56 | 2026 Mar 19 03:06:08 | 97.8418 | 0.00159 | 8.8878 | 191.8886 | 205.8374 | 15.06359 | – |
| 2026 Mar 18 18:56 | 2026 Mar 18 03:11:16 | 97.8422 | 0.00158 | 8.8202 | 195.2697 | 205.8374 | 15.06359 | – |
| 2026 Mar 17 18:56 | 2026 Mar 17 14:26:00 | 97.8423 | 0.00158 | 8.7842 | 196.9928 | 205.8374 | 15.06359 | – |
| 2026 Mar 16 18:57 | 2026 Mar 16 03:21:32 | 97.8430 | 0.00156 | 8.6851 | 201.5732 | 205.8374 | 15.06359 | – |
| 2026 Mar 15 18:56 | 2026 Mar 15 14:36:16 | 97.8431 | 0.00156 | 8.6490 | 203.4803 | 205.8374 | 15.06359 | – |
| 2026 Mar 14 18:56 | 2026 Mar 14 14:41:23 | 97.8433 | 0.00155 | 8.5814 | 207.1775 | 205.8374 | 15.06359 | – |
| 2026 Mar 13 18:57 | 2026 Mar 12 18:02:57 | 97.8437 | 0.00154 | 8.4552 | 214.1773 | 205.8374 | 15.06359 | – |
| 2026 Mar 12 18:57 | 2026 Mar 12 14:51:38 | 97.8438 | 0.00154 | 8.4462 | 214.7002 | 205.8374 | 15.06359 | – |
| 2026 Mar 11 18:56 | 2026 Mar 11 10:09:46 | 97.8438 | 0.00154 | 8.3650 | 219.2882 | 205.8374 | 15.06359 | – |
| 2026 Mar 10 18:56 | 2026 Mar 10 03:52:14 | 97.8438 | 0.00154 | 8.2794 | 224.0912 | 205.8374 | 15.06359 | – |
| 2026 Mar 09 18:56 | 2026 Mar 08 16:47:43 | 97.8436 | 0.00153 | 8.1802 | 229.3489 | 205.8374 | 15.06359 | – |
| 2026 Mar 08 18:57 | 2026 Mar 08 10:25:05 | 97.8436 | 0.00153 | 8.1622 | 230.3542 | 205.8374 | 15.06359 | – |
| 2026 Mar 07 18:57 | 2026 Mar 07 15:17:09 | 97.8436 | 0.00153 | 8.1081 | 233.1446 | 205.8374 | 15.06359 | – |
| 2026 Mar 06 18:56 | 2026 Mar 06 05:48:16 | 97.8438 | 0.00152 | 8.0134 | 238.0438 | 205.8374 | 15.06359 | – |
| 2026 Mar 05 18:56 | 2026 Mar 05 13:51:40 | 97.8438 | 0.00152 | 7.9683 | 240.5213 | 205.8374 | 15.06359 | – |
| 2026 Mar 04 18:57 | 2026 Mar 04 02:47:07 | 97.8445 | 0.00150 | 7.8692 | 245.8948 | 205.8374 | 15.06359 | – |
| 2026 Mar 03 18:56 | 2026 Mar 03 02:52:11 | 97.8450 | 0.00149 | 7.8016 | 249.4313 | 205.8374 | 15.06359 | – |