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 Aug 08 17:57 | 2026 Aug 06 10:09:51 | 11.1910 | 0.00491 | 21.7856 | 268.0228 | 127.6885 | 0.99462 | – |
| 2026 Aug 07 17:57 | 2026 Aug 06 10:09:51 | 11.1910 | 0.00491 | 21.7856 | 268.0228 | 127.6885 | 0.99462 | – |
| 2026 Aug 06 17:57 | 2026 Aug 01 05:19:14 | 11.1982 | 0.00488 | 21.7879 | 268.0108 | 127.6885 | 0.99462 | – |
| 2026 Aug 05 17:56 | 2026 Aug 01 05:19:14 | 11.1982 | 0.00488 | 21.7879 | 268.0108 | 127.6885 | 0.99462 | – |
| 2026 Aug 04 17:57 | 2026 Aug 01 05:19:14 | 11.1982 | 0.00488 | 21.7879 | 268.0108 | 127.6885 | 0.99462 | – |
| 2026 Aug 03 17:56 | 2026 Aug 01 05:19:14 | 11.1982 | 0.00488 | 21.7879 | 268.0108 | 127.6885 | 0.99462 | – |
| 2026 Aug 02 17:57 | 2026 Aug 01 05:19:14 | 11.1982 | 0.00488 | 21.7879 | 268.0108 | 127.6885 | 0.99462 | – |
| 2026 Aug 01 17:57 | 2026 Aug 01 05:19:14 | 11.1982 | 0.00488 | 21.7879 | 268.0108 | 127.6885 | 0.99462 | – |
| 2026 Jul 31 17:56 | 2026 Jul 27 08:13:25 | 11.2047 | 0.00486 | 21.7899 | 267.9731 | 127.6885 | 0.99462 | – |
| 2026 Jul 30 17:57 | 2026 Jul 27 08:13:25 | 11.2047 | 0.00486 | 21.7899 | 267.9731 | 127.6885 | 0.99462 | – |
| 2026 Jul 29 17:57 | 2026 Jul 27 08:13:25 | 11.2047 | 0.00486 | 21.7899 | 267.9731 | 127.6885 | 0.99462 | – |
| 2026 Jul 28 17:57 | 2026 Jul 27 08:13:25 | 11.2047 | 0.00486 | 21.7899 | 267.9731 | 127.6885 | 0.99462 | – |
| 2026 Jul 27 17:57 | 2026 Jul 27 08:13:25 | 11.2047 | 0.00486 | 21.7899 | 267.9731 | 127.6885 | 0.99462 | – |
| 2026 Jul 26 17:56 | 2026 Jul 21 05:57:51 | 11.2130 | 0.00483 | 21.7925 | 267.8680 | 127.6885 | 0.99462 | – |
| 2026 Jul 25 17:57 | 2026 Jul 21 05:57:51 | 11.2130 | 0.00483 | 21.7925 | 267.8680 | 127.6885 | 0.99462 | – |
| 2026 Jul 24 17:56 | 2026 Jul 21 05:57:51 | 11.2130 | 0.00483 | 21.7925 | 267.8680 | 127.6885 | 0.99462 | – |
| 2026 Jul 23 17:57 | 2026 Jul 21 05:57:51 | 11.2130 | 0.00483 | 21.7925 | 267.8680 | 127.6885 | 0.99462 | – |
| 2026 Jul 22 17:57 | 2026 Jul 21 05:57:51 | 11.2130 | 0.00483 | 21.7925 | 267.8680 | 127.6885 | 0.99462 | – |
| 2026 Jul 21 17:57 | 2026 Jul 21 05:57:51 | 11.2130 | 0.00483 | 21.7925 | 267.8680 | 127.6885 | 0.99462 | – |
| 2026 Jul 20 17:57 | 2026 Jul 16 06:16:19 | 11.2196 | 0.00479 | 21.7946 | 267.8497 | 127.6885 | 0.99462 | – |
| 2026 Jul 19 19:06 | 2026 Jul 16 06:16:19 | 11.2196 | 0.00479 | 21.7946 | 267.8497 | 127.6885 | 0.99462 | – |
| 2026 Jul 19 17:57 | 2026 Jul 16 06:16:19 | 11.2196 | 0.00479 | 21.7946 | 267.8497 | 127.6885 | 0.99462 | – |
| 2026 Jul 18 17:57 | 2026 Jul 16 06:16:19 | 11.2196 | 0.00479 | 21.7946 | 267.8497 | 127.6885 | 0.99462 | – |
| 2026 Jul 17 17:57 | 2026 Jul 16 06:16:19 | 11.2196 | 0.00479 | 21.7946 | 267.8497 | 127.6885 | 0.99462 | – |
| 2026 Jul 16 17:56 | 2026 Jul 16 06:16:19 | 11.2196 | 0.00479 | 21.7946 | 267.8497 | 127.6885 | 0.99462 | – |
| 2026 Jul 15 17:57 | 2026 Jul 11 04:52:04 | 11.2261 | 0.00477 | 21.7969 | 267.9694 | 127.6885 | 0.99462 | – |
| 2026 Jul 14 17:56 | 2026 Jul 11 04:52:04 | 11.2261 | 0.00477 | 21.7969 | 267.9694 | 127.6885 | 0.99462 | – |
| 2026 Jul 13 17:56 | 2026 Jul 11 04:52:04 | 11.2261 | 0.00477 | 21.7969 | 267.9694 | 127.6885 | 0.99462 | – |
| 2026 Jul 12 17:56 | 2026 Jul 11 04:52:04 | 11.2261 | 0.00477 | 21.7969 | 267.9694 | 127.6885 | 0.99462 | – |