Orbital elements of INTELSAT 503
| Launched | 14 December 1981 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | International Telecommunications Satellite Organization (INTELSAT) |
| NORAD ID | 12994 |
| 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 08 17:57 | 2026 May 05 07:44:27 | 11.3181 | 0.00468 | 21.8252 | 268.9822 | 268.3455 | 0.99471 | – |
| 2026 May 07 17:58 | 2026 May 05 07:44:27 | 11.3181 | 0.00468 | 21.8252 | 268.9822 | 268.3455 | 0.99471 | – |
| 2026 May 06 17:57 | 2026 May 05 07:44:27 | 11.3181 | 0.00468 | 21.8252 | 268.9822 | 268.3455 | 0.99471 | – |
| 2026 May 05 17:57 | 2026 May 05 07:44:27 | 11.3181 | 0.00468 | 21.8252 | 268.9822 | 268.3455 | 0.99471 | – |
| 2026 May 04 17:57 | 2026 Apr 30 09:20:49 | 11.3251 | 0.00468 | 21.8273 | 268.9253 | 268.3455 | 0.99471 | – |
| 2026 May 03 17:57 | 2026 Apr 30 09:20:49 | 11.3251 | 0.00468 | 21.8273 | 268.9253 | 268.3455 | 0.99471 | – |
| 2026 May 02 17:57 | 2026 Apr 30 09:20:49 | 11.3251 | 0.00468 | 21.8273 | 268.9253 | 268.3455 | 0.99471 | – |
| 2026 May 01 17:56 | 2026 Apr 30 09:20:49 | 11.3251 | 0.00468 | 21.8273 | 268.9253 | 268.3455 | 0.99471 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 09:20:49 | 11.3251 | 0.00468 | 21.8273 | 268.9253 | 268.3455 | 0.99471 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 07:44:27 | 11.3334 | 0.00468 | 21.8297 | 268.9109 | 268.3455 | 0.99471 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 07:44:27 | 11.3334 | 0.00468 | 21.8297 | 268.9109 | 268.3455 | 0.99471 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 07:44:27 | 11.3334 | 0.00468 | 21.8297 | 268.9109 | 268.3455 | 0.99471 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 07:44:27 | 11.3334 | 0.00468 | 21.8297 | 268.9109 | 268.3455 | 0.99471 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 07:44:27 | 11.3334 | 0.00468 | 21.8297 | 268.9109 | 268.3455 | 0.99471 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 07:44:27 | 11.3334 | 0.00468 | 21.8297 | 268.9109 | 268.3455 | 0.99471 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 06:18:48 | 11.3401 | 0.00468 | 21.8319 | 268.9739 | 268.3455 | 0.99471 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 06:18:48 | 11.3401 | 0.00468 | 21.8319 | 268.9739 | 268.3455 | 0.99471 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 06:18:48 | 11.3401 | 0.00468 | 21.8319 | 268.9739 | 268.3455 | 0.99471 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 06:18:48 | 11.3401 | 0.00468 | 21.8319 | 268.9739 | 268.3455 | 0.99471 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 06:18:48 | 11.3401 | 0.00468 | 21.8319 | 268.9739 | 268.3455 | 0.99471 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 04:56:33 | 11.3483 | 0.00470 | 21.8345 | 269.0816 | 268.3455 | 0.99471 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 04:56:33 | 11.3483 | 0.00470 | 21.8345 | 269.0816 | 268.3455 | 0.99471 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 04:56:33 | 11.3483 | 0.00470 | 21.8345 | 269.0816 | 268.3455 | 0.99471 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 04:56:33 | 11.3483 | 0.00470 | 21.8345 | 269.0816 | 268.3455 | 0.99471 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 12:02:16 | 11.3547 | 0.00471 | 21.8364 | 269.0386 | 268.3455 | 0.99471 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 12:02:16 | 11.3547 | 0.00471 | 21.8364 | 269.0386 | 268.3455 | 0.99471 | – |