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 |
| 2025 Sep 15 17:56 | 2025 Sep 14 14:37:40 | 11.6402 | 0.00481 | 21.9239 | 257.1853 | 108.4585 | 0.99467 | – |
| 2025 Sep 12 17:57 | 2025 Sep 02 17:03:27 | 11.6560 | 0.00475 | 21.9292 | 256.5401 | 108.4585 | 0.99467 | – |
| 2025 Sep 11 17:57 | 2025 Sep 02 17:03:27 | 11.6560 | 0.00475 | 21.9292 | 256.5401 | 108.4585 | 0.99467 | – |
| 2025 Sep 10 17:56 | 2025 Sep 02 17:03:27 | 11.6560 | 0.00475 | 21.9292 | 256.5401 | 108.4585 | 0.99467 | – |
| 2025 Sep 08 17:57 | 2025 Sep 02 17:03:27 | 11.6560 | 0.00475 | 21.9292 | 256.5401 | 108.4585 | 0.99467 | – |
| 2025 Sep 07 17:56 | 2025 Sep 02 17:03:27 | 11.6560 | 0.00475 | 21.9292 | 256.5401 | 108.4585 | 0.99467 | – |
| 2025 Sep 06 20:41 | 2025 Sep 02 17:03:27 | 11.6560 | 0.00475 | 21.9292 | 256.5401 | 108.4585 | 0.99467 | – |
| 2025 Sep 03 17:57 | 2025 Sep 02 17:03:27 | 11.6560 | 0.00475 | 21.9292 | 256.5401 | 108.4585 | 0.99467 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 11:03:38 | 11.6645 | 0.00470 | 21.9320 | 256.0409 | 108.4585 | 0.99467 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 11:03:38 | 11.6645 | 0.00470 | 21.9320 | 256.0409 | 108.4585 | 0.99467 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 11:03:38 | 11.6645 | 0.00470 | 21.9320 | 256.0409 | 108.4585 | 0.99467 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 11:03:38 | 11.6645 | 0.00470 | 21.9320 | 256.0409 | 108.4585 | 0.99467 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 11:03:38 | 11.6645 | 0.00470 | 21.9320 | 256.0409 | 108.4585 | 0.99467 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 11:03:38 | 11.6645 | 0.00470 | 21.9320 | 256.0409 | 108.4585 | 0.99467 | – |
| 2025 Aug 27 17:56 | 2025 Aug 22 11:30:38 | 11.6712 | 0.00466 | 21.9341 | 255.7080 | 108.4585 | 0.99467 | – |
| 2025 Aug 26 17:56 | 2025 Aug 22 11:30:38 | 11.6712 | 0.00466 | 21.9341 | 255.7080 | 108.4585 | 0.99467 | – |
| 2025 Aug 25 17:56 | 2025 Aug 22 11:30:38 | 11.6712 | 0.00466 | 21.9341 | 255.7080 | 108.4585 | 0.99467 | – |
| 2025 Aug 24 17:56 | 2025 Aug 22 11:30:38 | 11.6712 | 0.00466 | 21.9341 | 255.7080 | 108.4585 | 0.99467 | – |
| 2025 Aug 23 17:56 | 2025 Aug 22 11:30:38 | 11.6712 | 0.00466 | 21.9341 | 255.7080 | 108.4585 | 0.99467 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 10:24:18 | 11.6779 | 0.00462 | 21.9365 | 255.5126 | 108.4585 | 0.99467 | – |