Orbital elements of WEOS
| Launched | 13 December 2002 |
| Flight ended | – |
| Launch site | Tanegashima Space Center, Japan |
| Owner | Japan |
| NORAD ID | 27599 |
| 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 13 18:56 | 2025 Dec 11 21:00:40 | 98.7910 | 0.00103 | 20.4180 | 136.1249 | 224.0753 | 14.30747 | 10.243 |
| 2025 Dec 12 18:57 | 2025 Dec 11 21:00:40 | 98.7910 | 0.00103 | 20.4180 | 136.1249 | 224.0753 | 14.30747 | 10.243 |
| 2025 Dec 11 18:56 | 2025 Dec 07 04:33:29 | 98.7901 | 0.00101 | 20.1023 | 149.0405 | 224.0753 | 14.30747 | 10.243 |
| 2025 Dec 10 18:56 | 2025 Dec 07 04:33:29 | 98.7901 | 0.00101 | 20.1023 | 149.0405 | 224.0753 | 14.30747 | 10.243 |
| 2025 Dec 09 18:56 | 2025 Dec 07 04:33:29 | 98.7901 | 0.00101 | 20.1023 | 149.0405 | 224.0753 | 14.30747 | 10.243 |
| 2025 Dec 08 18:56 | 2025 Dec 07 04:33:29 | 98.7901 | 0.00101 | 20.1023 | 149.0405 | 224.0753 | 14.30747 | 10.243 |
| 2025 Dec 07 18:56 | 2025 Dec 07 04:33:29 | 98.7901 | 0.00101 | 20.1023 | 149.0405 | 224.0753 | 14.30747 | 10.243 |
| 2025 Dec 06 18:56 | 2025 Dec 02 10:25:35 | 98.7897 | 0.00099 | 19.7818 | 162.2923 | 224.0753 | 14.30747 | 10.243 |
| 2025 Dec 05 18:57 | 2025 Dec 02 10:25:35 | 98.7897 | 0.00099 | 19.7818 | 162.2923 | 224.0753 | 14.30747 | 10.243 |
| 2025 Dec 04 18:57 | 2025 Dec 02 10:25:35 | 98.7897 | 0.00099 | 19.7818 | 162.2923 | 224.0753 | 14.30747 | 10.243 |
| 2025 Dec 03 18:56 | 2025 Dec 02 10:25:35 | 98.7897 | 0.00099 | 19.7818 | 162.2923 | 224.0753 | 14.30747 | 10.243 |
| 2025 Dec 02 18:56 | 2025 Dec 02 10:25:35 | 98.7897 | 0.00099 | 19.7818 | 162.2923 | 224.0753 | 14.30747 | 10.243 |
| 2025 Nov 30 18:57 | 2025 Nov 25 12:15:50 | 98.7887 | 0.00094 | 19.3153 | 182.2173 | 224.0753 | 14.30747 | 10.243 |
| 2025 Nov 29 18:56 | 2025 Nov 25 12:15:50 | 98.7887 | 0.00094 | 19.3153 | 182.2173 | 224.0753 | 14.30747 | 10.243 |
| 2025 Nov 28 18:57 | 2025 Nov 25 12:15:50 | 98.7887 | 0.00094 | 19.3153 | 182.2173 | 224.0753 | 14.30747 | 10.243 |
| 2025 Nov 27 18:57 | 2025 Nov 25 12:15:50 | 98.7887 | 0.00094 | 19.3153 | 182.2173 | 224.0753 | 14.30747 | 10.243 |
| 2025 Nov 26 18:57 | 2025 Nov 25 12:15:50 | 98.7887 | 0.00094 | 19.3153 | 182.2173 | 224.0753 | 14.30747 | 10.243 |
| 2025 Nov 25 18:57 | 2025 Nov 25 12:15:50 | 98.7887 | 0.00094 | 19.3153 | 182.2173 | 224.0753 | 14.30747 | 10.243 |
| 2025 Nov 24 18:56 | 2025 Nov 20 03:01:33 | 98.7877 | 0.00092 | 18.9525 | 198.7141 | 224.0753 | 14.30747 | 10.243 |
| 2025 Nov 23 18:57 | 2025 Nov 20 03:01:33 | 98.7877 | 0.00092 | 18.9525 | 198.7141 | 224.0753 | 14.30747 | 10.243 |
| 2025 Nov 21 18:57 | 2025 Nov 20 03:01:33 | 98.7877 | 0.00092 | 18.9525 | 198.7141 | 224.0753 | 14.30747 | 10.243 |
| 2025 Nov 20 18:56 | 2025 Nov 20 03:01:33 | 98.7877 | 0.00092 | 18.9525 | 198.7141 | 224.0753 | 14.30747 | 10.243 |
| 2025 Nov 18 18:57 | 2025 Nov 08 20:48:00 | 98.7858 | 0.00087 | 18.1941 | 234.1485 | 224.0753 | 14.30747 | 10.243 |
| 2025 Nov 16 18:58 | 2025 Nov 08 20:48:00 | 98.7858 | 0.00087 | 18.1941 | 234.1485 | 224.0753 | 14.30747 | 10.243 |