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 Feb 04 18:57 | 2026 Feb 02 12:43:47 | 11.4429 | 0.00490 | 21.8637 | 267.7304 | 159.8992 | 0.99461 | – |
| 2026 Feb 03 18:56 | 2026 Feb 02 12:43:47 | 11.4429 | 0.00490 | 21.8637 | 267.7304 | 159.8992 | 0.99461 | – |
| 2026 Feb 02 18:56 | 2026 Feb 02 12:43:47 | 11.4429 | 0.00490 | 21.8637 | 267.7304 | 159.8992 | 0.99461 | – |
| 2026 Feb 01 18:56 | 2026 Jan 27 19:13:01 | 11.4507 | 0.00491 | 21.8663 | 267.5638 | 159.8992 | 0.99461 | – |
| 2026 Jan 31 18:56 | 2026 Jan 27 19:13:01 | 11.4507 | 0.00491 | 21.8663 | 267.5638 | 159.8992 | 0.99461 | – |
| 2026 Jan 30 18:57 | 2026 Jan 27 19:13:01 | 11.4507 | 0.00491 | 21.8663 | 267.5638 | 159.8992 | 0.99461 | – |
| 2026 Jan 29 18:56 | 2026 Jan 27 19:13:01 | 11.4507 | 0.00491 | 21.8663 | 267.5638 | 159.8992 | 0.99461 | – |
| 2026 Jan 28 18:56 | 2026 Jan 27 19:13:01 | 11.4507 | 0.00491 | 21.8663 | 267.5638 | 159.8992 | 0.99461 | – |
| 2026 Jan 27 18:56 | 2026 Jan 21 19:30:31 | 11.4591 | 0.00493 | 21.8689 | 267.3896 | 159.8992 | 0.99461 | – |
| 2026 Jan 26 18:57 | 2026 Jan 21 19:30:31 | 11.4591 | 0.00493 | 21.8689 | 267.3896 | 159.8992 | 0.99461 | – |
| 2026 Jan 25 18:57 | 2026 Jan 21 19:30:31 | 11.4591 | 0.00493 | 21.8689 | 267.3896 | 159.8992 | 0.99461 | – |
| 2026 Jan 24 18:58 | 2026 Jan 21 19:30:31 | 11.4591 | 0.00493 | 21.8689 | 267.3896 | 159.8992 | 0.99461 | – |
| 2026 Jan 22 18:56 | 2026 Jan 21 19:30:31 | 11.4591 | 0.00493 | 21.8689 | 267.3896 | 159.8992 | 0.99461 | – |
| 2026 Jan 21 18:56 | 2026 Jan 16 12:17:54 | 11.4666 | 0.00495 | 21.8712 | 267.1129 | 159.8992 | 0.99461 | – |
| 2026 Jan 20 19:06 | 2026 Jan 16 12:17:54 | 11.4666 | 0.00495 | 21.8712 | 267.1129 | 159.8992 | 0.99461 | – |
| 2026 Jan 19 18:57 | 2026 Jan 16 12:17:54 | 11.4666 | 0.00495 | 21.8712 | 267.1129 | 159.8992 | 0.99461 | – |
| 2026 Jan 18 18:57 | 2026 Jan 16 12:17:54 | 11.4666 | 0.00495 | 21.8712 | 267.1129 | 159.8992 | 0.99461 | – |
| 2026 Jan 17 18:56 | 2026 Jan 16 12:17:54 | 11.4666 | 0.00495 | 21.8712 | 267.1129 | 159.8992 | 0.99461 | – |
| 2026 Jan 16 18:57 | 2026 Jan 16 12:17:54 | 11.4666 | 0.00495 | 21.8712 | 267.1129 | 159.8992 | 0.99461 | – |
| 2026 Jan 15 18:56 | 2026 Jan 11 14:58:59 | 11.4737 | 0.00497 | 21.8732 | 266.7905 | 159.8992 | 0.99461 | – |
| 2026 Jan 13 18:56 | 2026 Jan 11 14:58:59 | 11.4737 | 0.00497 | 21.8732 | 266.7905 | 159.8992 | 0.99461 | – |
| 2026 Jan 11 18:57 | 2026 Jan 11 14:58:59 | 11.4737 | 0.00497 | 21.8732 | 266.7905 | 159.8992 | 0.99461 | – |
| 2026 Jan 10 18:57 | 2026 Jan 06 04:53:38 | 11.4813 | 0.00497 | 21.8756 | 266.4344 | 159.8992 | 0.99461 | – |
| 2026 Jan 09 18:57 | 2026 Jan 06 04:53:38 | 11.4813 | 0.00497 | 21.8756 | 266.4344 | 159.8992 | 0.99461 | – |
| 2026 Jan 08 18:56 | 2026 Jan 06 04:53:38 | 11.4813 | 0.00497 | 21.8756 | 266.4344 | 159.8992 | 0.99461 | – |