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 Jul 11 17:56 | 2026 Jul 11 04:52:04 | 11.2261 | 0.00477 | 21.7969 | 267.9694 | 98.5071 | 0.99469 | – |
| 2026 Jul 09 17:56 | 2026 Jul 05 03:31:27 | 11.2344 | 0.00475 | 21.7996 | 268.1197 | 98.5071 | 0.99469 | – |
| 2026 Jul 08 17:56 | 2026 Jul 05 03:31:27 | 11.2344 | 0.00475 | 21.7996 | 268.1197 | 98.5071 | 0.99469 | – |
| 2026 Jul 07 17:56 | 2026 Jul 05 03:31:27 | 11.2344 | 0.00475 | 21.7996 | 268.1197 | 98.5071 | 0.99469 | – |
| 2026 Jul 06 17:57 | 2026 Jul 05 03:31:27 | 11.2344 | 0.00475 | 21.7996 | 268.1197 | 98.5071 | 0.99469 | – |
| 2026 Jul 05 17:56 | 2026 Jul 05 03:31:27 | 11.2344 | 0.00475 | 21.7996 | 268.1197 | 98.5071 | 0.99469 | – |
| 2026 Jul 04 17:56 | 2026 Jun 28 15:54:47 | 11.2434 | 0.00473 | 21.8023 | 268.1967 | 98.5071 | 0.99469 | – |
| 2026 Jul 03 17:57 | 2026 Jun 28 15:54:47 | 11.2434 | 0.00473 | 21.8023 | 268.1967 | 98.5071 | 0.99469 | – |
| 2026 Jul 02 17:56 | 2026 Jun 28 15:54:47 | 11.2434 | 0.00473 | 21.8023 | 268.1967 | 98.5071 | 0.99469 | – |
| 2026 Jul 01 17:56 | 2026 Jun 28 15:54:47 | 11.2434 | 0.00473 | 21.8023 | 268.1967 | 98.5071 | 0.99469 | – |
| 2026 Jun 30 17:56 | 2026 Jun 28 15:54:47 | 11.2434 | 0.00473 | 21.8023 | 268.1967 | 98.5071 | 0.99469 | – |
| 2026 Jun 29 17:57 | 2026 Jun 28 15:54:47 | 11.2434 | 0.00473 | 21.8023 | 268.1967 | 98.5071 | 0.99469 | – |
| 2026 Jun 28 17:56 | 2026 Jun 22 14:33:50 | 11.2519 | 0.00471 | 21.8048 | 268.2195 | 98.5071 | 0.99469 | – |
| 2026 Jun 27 17:55 | 2026 Jun 22 14:33:50 | 11.2519 | 0.00471 | 21.8048 | 268.2195 | 98.5071 | 0.99469 | – |
| 2026 Jun 26 17:56 | 2026 Jun 22 14:33:50 | 11.2519 | 0.00471 | 21.8048 | 268.2195 | 98.5071 | 0.99469 | – |
| 2026 Jun 25 17:56 | 2026 Jun 22 14:33:50 | 11.2519 | 0.00471 | 21.8048 | 268.2195 | 98.5071 | 0.99469 | – |
| 2026 Jun 24 17:55 | 2026 Jun 22 14:33:50 | 11.2519 | 0.00471 | 21.8048 | 268.2195 | 98.5071 | 0.99469 | – |
| 2026 Jun 23 17:56 | 2026 Jun 22 14:33:50 | 11.2519 | 0.00471 | 21.8048 | 268.2195 | 98.5071 | 0.99469 | – |
| 2026 Jun 22 17:56 | 2026 Jun 16 13:12:50 | 11.2599 | 0.00469 | 21.8074 | 268.3071 | 98.5071 | 0.99469 | – |
| 2026 Jun 21 17:57 | 2026 Jun 16 13:12:50 | 11.2599 | 0.00469 | 21.8074 | 268.3071 | 98.5071 | 0.99469 | – |
| 2026 Jun 20 17:56 | 2026 Jun 16 13:12:50 | 11.2599 | 0.00469 | 21.8074 | 268.3071 | 98.5071 | 0.99469 | – |
| 2026 Jun 19 17:57 | 2026 Jun 16 13:12:50 | 11.2599 | 0.00469 | 21.8074 | 268.3071 | 98.5071 | 0.99469 | – |
| 2026 Jun 18 17:56 | 2026 Jun 16 13:12:50 | 11.2599 | 0.00469 | 21.8074 | 268.3071 | 98.5071 | 0.99469 | – |
| 2026 Jun 17 17:57 | 2026 Jun 16 13:12:50 | 11.2599 | 0.00469 | 21.8074 | 268.3071 | 98.5071 | 0.99469 | – |
| 2026 Jun 16 17:55 | 2026 Jun 12 01:29:16 | 11.2660 | 0.00468 | 21.8094 | 268.4454 | 98.5071 | 0.99469 | – |
| 2026 Jun 15 17:56 | 2026 Jun 12 01:29:16 | 11.2660 | 0.00468 | 21.8094 | 268.4454 | 98.5071 | 0.99469 | – |
| 2026 Jun 14 17:57 | 2026 Jun 12 01:29:16 | 11.2660 | 0.00468 | 21.8094 | 268.4454 | 98.5071 | 0.99469 | – |