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 |
| 2026 Apr 29 17:57 | 2026 Apr 24 12:20:02 | 98.8124 | 0.00107 | 5.4359 | 107.8068 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 28 17:56 | 2026 Apr 24 12:20:02 | 98.8124 | 0.00107 | 5.4359 | 107.8068 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 27 17:58 | 2026 Apr 24 12:20:02 | 98.8124 | 0.00107 | 5.4359 | 107.8068 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 26 17:58 | 2026 Apr 24 12:20:02 | 98.8124 | 0.00107 | 5.4359 | 107.8068 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 25 17:58 | 2026 Apr 24 12:20:02 | 98.8124 | 0.00107 | 5.4359 | 107.8068 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 24 17:59 | 2026 Apr 24 12:20:02 | 98.8124 | 0.00107 | 5.4359 | 107.8068 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 23 17:57 | 2026 Apr 19 08:08:21 | 98.8119 | 0.00106 | 5.0862 | 121.5574 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 22 17:57 | 2026 Apr 19 08:08:21 | 98.8119 | 0.00106 | 5.0862 | 121.5574 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 21 17:57 | 2026 Apr 19 08:08:21 | 98.8119 | 0.00106 | 5.0862 | 121.5574 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 20 17:57 | 2026 Apr 19 08:08:21 | 98.8119 | 0.00106 | 5.0862 | 121.5574 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 19 17:58 | 2026 Apr 19 08:08:21 | 98.8119 | 0.00106 | 5.0862 | 121.5574 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 18 17:56 | 2026 Apr 13 04:26:52 | 98.8108 | 0.00103 | 4.6704 | 138.1083 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 16 17:57 | 2026 Apr 13 04:26:52 | 98.8108 | 0.00103 | 4.6704 | 138.1083 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 14 17:57 | 2026 Apr 13 04:26:52 | 98.8108 | 0.00103 | 4.6704 | 138.1083 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 13 17:57 | 2026 Apr 13 04:26:52 | 98.8108 | 0.00103 | 4.6704 | 138.1083 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 12 17:57 | 2026 Apr 08 15:21:27 | 98.8103 | 0.00101 | 4.3633 | 150.7154 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 11 17:57 | 2026 Apr 08 15:21:27 | 98.8103 | 0.00101 | 4.3633 | 150.7154 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 10 17:58 | 2026 Apr 08 15:21:27 | 98.8103 | 0.00101 | 4.3633 | 150.7154 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 09 18:01 | 2026 Apr 08 15:21:27 | 98.8103 | 0.00101 | 4.3633 | 150.7154 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 08 17:57 | 2026 Apr 08 15:21:27 | 98.8103 | 0.00101 | 4.3633 | 150.7154 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 07 17:57 | 2026 Apr 01 15:31:33 | 98.8094 | 0.00097 | 3.8909 | 170.4271 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 06 17:57 | 2026 Apr 01 15:31:33 | 98.8094 | 0.00097 | 3.8909 | 170.4271 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 05 17:56 | 2026 Apr 01 15:31:33 | 98.8094 | 0.00097 | 3.8909 | 170.4271 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 04 17:57 | 2026 Apr 01 15:31:33 | 98.8094 | 0.00097 | 3.8909 | 170.4271 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 03 17:56 | 2026 Apr 01 15:31:33 | 98.8094 | 0.00097 | 3.8909 | 170.4271 | 252.4281 | 14.30826 | 10.243 |
| 2026 Apr 02 18:03 | 2026 Apr 01 15:31:33 | 98.8094 | 0.00097 | 3.8909 | 170.4271 | 252.4281 | 14.30826 | 10.243 |