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 Jun 26 17:56 | 2026 Jun 22 16:10:04 | 98.8163 | 0.00086 | 9.4350 | 301.3132 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 25 17:56 | 2026 Jun 22 16:10:04 | 98.8163 | 0.00086 | 9.4350 | 301.3132 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 24 17:55 | 2026 Jun 22 16:10:04 | 98.8163 | 0.00086 | 9.4350 | 301.3132 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 23 17:56 | 2026 Jun 22 16:10:04 | 98.8163 | 0.00086 | 9.4350 | 301.3132 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 22 17:56 | 2026 Jun 17 10:17:49 | 98.8161 | 0.00088 | 9.0804 | 318.0998 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 21 17:57 | 2026 Jun 17 10:17:49 | 98.8161 | 0.00088 | 9.0804 | 318.0998 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 20 17:56 | 2026 Jun 17 10:17:49 | 98.8161 | 0.00088 | 9.0804 | 318.0998 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 19 17:57 | 2026 Jun 17 10:17:49 | 98.8161 | 0.00088 | 9.0804 | 318.0998 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 18 17:56 | 2026 Jun 17 10:17:49 | 98.8161 | 0.00088 | 9.0804 | 318.0998 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 17 17:57 | 2026 Jun 17 10:17:49 | 98.8161 | 0.00088 | 9.0804 | 318.0998 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 16 17:55 | 2026 Jun 12 04:25:33 | 98.8160 | 0.00091 | 8.7258 | 334.3940 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 15 17:56 | 2026 Jun 12 04:25:33 | 98.8160 | 0.00091 | 8.7258 | 334.3940 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 14 17:57 | 2026 Jun 12 04:25:33 | 98.8160 | 0.00091 | 8.7258 | 334.3940 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 13 17:56 | 2026 Jun 12 04:25:33 | 98.8160 | 0.00091 | 8.7258 | 334.3940 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 12 17:56 | 2026 Jun 12 04:25:33 | 98.8160 | 0.00091 | 8.7258 | 334.3940 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 11 17:57 | 2026 Jun 06 15:50:29 | 98.8156 | 0.00094 | 8.3523 | 351.0234 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 10 17:56 | 2026 Jun 06 15:50:29 | 98.8156 | 0.00094 | 8.3523 | 351.0234 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 09 17:57 | 2026 Jun 06 15:50:29 | 98.8156 | 0.00094 | 8.3523 | 351.0234 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 08 17:56 | 2026 Jun 06 15:50:29 | 98.8156 | 0.00094 | 8.3523 | 351.0234 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 07 17:56 | 2026 Jun 06 15:50:29 | 98.8156 | 0.00094 | 8.3523 | 351.0234 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 06 17:56 | 2026 May 31 12:09:09 | 98.8152 | 0.00098 | 7.9362 | 8.9481 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 05 17:56 | 2026 May 31 12:09:09 | 98.8152 | 0.00098 | 7.9362 | 8.9481 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 04 17:57 | 2026 May 31 12:09:09 | 98.8152 | 0.00098 | 7.9362 | 8.9481 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 02 17:56 | 2026 May 31 12:09:09 | 98.8152 | 0.00098 | 7.9362 | 8.9481 | 58.7203 | 14.30848 | 10.243 |
| 2026 Jun 01 17:57 | 2026 May 31 12:09:09 | 98.8152 | 0.00098 | 7.9362 | 8.9481 | 58.7203 | 14.30848 | 10.243 |
| 2026 May 31 17:58 | 2026 May 31 12:09:09 | 98.8152 | 0.00098 | 7.9362 | 8.9481 | 58.7203 | 14.30848 | 10.243 |
| 2026 May 30 17:57 | 2026 May 26 04:36:09 | 98.8149 | 0.00101 | 7.5770 | 23.8683 | 58.7203 | 14.30848 | 10.243 |