Orbital elements of JCSAT-4A
| Launched | 15 February 1999 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | Japan |
| NORAD ID | 25630 |
| 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 Dec 25 18:57 | 2025 Dec 20 03:17:16 | 9.2651 | 0.00177 | 3.8488 | 41.2438 | 317.5943 | 0.98810 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 03:17:16 | 9.2651 | 0.00177 | 3.8488 | 41.2438 | 317.5943 | 0.98810 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 03:17:16 | 9.2651 | 0.00177 | 3.8488 | 41.2438 | 317.5943 | 0.98810 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 03:17:16 | 9.2651 | 0.00177 | 3.8488 | 41.2438 | 317.5943 | 0.98810 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 03:17:16 | 9.2651 | 0.00177 | 3.8488 | 41.2438 | 317.5943 | 0.98810 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 03:17:16 | 9.2651 | 0.00177 | 3.8488 | 41.2438 | 317.5943 | 0.98810 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 01:18:27 | 9.2479 | 0.00176 | 3.8541 | 42.4153 | 317.5943 | 0.98810 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 01:18:27 | 9.2479 | 0.00176 | 3.8541 | 42.4153 | 317.5943 | 0.98810 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 01:18:27 | 9.2479 | 0.00176 | 3.8541 | 42.4153 | 317.5943 | 0.98810 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 01:18:27 | 9.2479 | 0.00176 | 3.8541 | 42.4153 | 317.5943 | 0.98810 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 01:18:27 | 9.2479 | 0.00176 | 3.8541 | 42.4153 | 317.5943 | 0.98810 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 01:18:27 | 9.2479 | 0.00176 | 3.8541 | 42.4153 | 317.5943 | 0.98810 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 01:18:27 | 9.2479 | 0.00176 | 3.8541 | 42.4153 | 317.5943 | 0.98810 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 01:18:27 | 9.2479 | 0.00176 | 3.8541 | 42.4153 | 317.5943 | 0.98810 | – |
| 2025 Dec 11 18:56 | 2025 Dec 05 22:13:22 | 9.2328 | 0.00175 | 3.8578 | 44.1587 | 317.5943 | 0.98810 | – |
| 2025 Dec 10 18:56 | 2025 Dec 05 22:13:22 | 9.2328 | 0.00175 | 3.8578 | 44.1587 | 317.5943 | 0.98810 | – |
| 2025 Dec 09 18:56 | 2025 Dec 05 22:13:22 | 9.2328 | 0.00175 | 3.8578 | 44.1587 | 317.5943 | 0.98810 | – |
| 2025 Dec 08 18:56 | 2025 Dec 05 22:13:22 | 9.2328 | 0.00175 | 3.8578 | 44.1587 | 317.5943 | 0.98810 | – |
| 2025 Dec 07 18:56 | 2025 Dec 05 22:13:22 | 9.2328 | 0.00175 | 3.8578 | 44.1587 | 317.5943 | 0.98810 | – |
| 2025 Dec 06 18:56 | 2025 Dec 01 22:26:28 | 9.2222 | 0.00177 | 3.8602 | 45.0051 | 317.5943 | 0.98810 | – |
| 2025 Dec 05 18:57 | 2025 Dec 01 22:26:28 | 9.2222 | 0.00177 | 3.8602 | 45.0051 | 317.5943 | 0.98810 | – |
| 2025 Dec 04 18:57 | 2025 Dec 01 22:26:28 | 9.2222 | 0.00177 | 3.8602 | 45.0051 | 317.5943 | 0.98810 | – |
| 2025 Dec 03 18:56 | 2025 Dec 01 22:26:28 | 9.2222 | 0.00177 | 3.8602 | 45.0051 | 317.5943 | 0.98810 | – |
| 2025 Dec 02 18:56 | 2025 Dec 01 22:26:28 | 9.2222 | 0.00177 | 3.8602 | 45.0051 | 317.5943 | 0.98810 | – |
| 2025 Nov 30 18:57 | 2025 Nov 24 21:06:28 | 9.2052 | 0.00183 | 3.8648 | 45.1896 | 317.5943 | 0.98810 | – |
| 2025 Nov 29 18:56 | 2025 Nov 24 21:06:28 | 9.2052 | 0.00183 | 3.8648 | 45.1896 | 317.5943 | 0.98810 | – |
| 2025 Nov 28 18:57 | 2025 Nov 24 21:06:28 | 9.2052 | 0.00183 | 3.8648 | 45.1896 | 317.5943 | 0.98810 | – |