Orbital elements of H-1 R/B
| Launched | 6 February 1990 |
| Flight ended | – |
| Launch site | Tanegashima Space Center, Japan |
| Owner | Japan |
| NORAD ID | 20491 |
| 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 |
| 2024 May 19 17:55 | 2024 May 17 10:00:15 | 99.0386 | 0.04688 | 12.6471 | 143.4875 | 219.9184 | 13.03672 | 4.743 |
| 2024 May 18 17:53 | 2024 May 17 10:00:15 | 99.0386 | 0.04688 | 12.6471 | 143.4875 | 219.9184 | 13.03672 | 4.743 |
| 2024 May 17 17:53 | 2024 May 17 10:00:15 | 99.0386 | 0.04688 | 12.6471 | 143.4875 | 219.9184 | 13.03672 | 4.743 |
| 2024 May 16 17:52 | 2024 May 11 21:23:01 | 99.0394 | 0.04687 | 12.3374 | 156.4344 | 219.9184 | 13.03672 | 4.743 |
| 2024 May 15 17:58 | 2024 May 11 21:23:01 | 99.0394 | 0.04687 | 12.3374 | 156.4344 | 219.9184 | 13.03672 | 4.743 |
| 2024 May 14 17:55 | 2024 May 11 21:23:01 | 99.0394 | 0.04687 | 12.3374 | 156.4344 | 219.9184 | 13.03672 | 4.743 |
| 2024 May 13 17:53 | 2024 May 11 21:23:01 | 99.0394 | 0.04687 | 12.3374 | 156.4344 | 219.9184 | 13.03672 | 4.743 |
| 2024 May 12 17:52 | 2024 May 11 21:23:01 | 99.0394 | 0.04687 | 12.3374 | 156.4344 | 219.9184 | 13.03672 | 4.743 |
| 2024 May 11 17:53 | 2024 May 06 21:39:22 | 99.0395 | 0.04685 | 12.0578 | 168.1278 | 219.9184 | 13.03672 | 4.743 |
| 2024 May 10 17:53 | 2024 May 06 21:39:22 | 99.0395 | 0.04685 | 12.0578 | 168.1278 | 219.9184 | 13.03672 | 4.743 |
| 2024 May 09 17:52 | 2024 May 06 21:39:22 | 99.0395 | 0.04685 | 12.0578 | 168.1278 | 219.9184 | 13.03672 | 4.743 |
| 2024 May 08 17:52 | 2024 May 06 21:39:22 | 99.0395 | 0.04685 | 12.0578 | 168.1278 | 219.9184 | 13.03672 | 4.743 |
| 2024 May 07 17:52 | 2024 May 06 21:39:22 | 99.0395 | 0.04685 | 12.0578 | 168.1278 | 219.9184 | 13.03672 | 4.743 |
| 2024 May 06 17:52 | 2024 May 01 21:55:40 | 99.0392 | 0.04684 | 11.7782 | 179.8250 | 219.9184 | 13.03672 | 4.743 |
| 2024 May 05 17:52 | 2024 May 01 21:55:40 | 99.0392 | 0.04684 | 11.7782 | 179.8250 | 219.9184 | 13.03672 | 4.743 |
| 2024 May 04 17:52 | 2024 May 01 21:55:40 | 99.0392 | 0.04684 | 11.7782 | 179.8250 | 219.9184 | 13.03672 | 4.743 |
| 2024 May 03 17:52 | 2024 May 01 21:55:40 | 99.0392 | 0.04684 | 11.7782 | 179.8250 | 219.9184 | 13.03672 | 4.743 |
| 2024 May 02 17:52 | 2024 May 01 21:55:40 | 99.0392 | 0.04684 | 11.7782 | 179.8250 | 219.9184 | 13.03672 | 4.743 |
| 2024 May 01 17:54 | 2024 Apr 27 03:43:30 | 99.0393 | 0.04682 | 11.5116 | 190.9940 | 219.9184 | 13.03672 | 4.743 |
| 2024 Apr 30 17:57 | 2024 Apr 27 03:43:30 | 99.0393 | 0.04682 | 11.5116 | 190.9940 | 219.9184 | 13.03672 | 4.743 |
| 2024 Apr 29 17:52 | 2024 Apr 27 03:43:30 | 99.0393 | 0.04682 | 11.5116 | 190.9940 | 219.9184 | 13.03672 | 4.743 |
| 2024 Apr 28 17:52 | 2024 Apr 27 03:43:30 | 99.0393 | 0.04682 | 11.5116 | 190.9940 | 219.9184 | 13.03672 | 4.743 |
| 2024 Apr 27 17:58 | 2024 Apr 27 03:43:30 | 99.0393 | 0.04682 | 11.5116 | 190.9940 | 219.9184 | 13.03672 | 4.743 |
| 2024 Apr 26 17:54 | 2024 Apr 21 18:47:11 | 99.0402 | 0.04680 | 11.2105 | 203.6044 | 219.9184 | 13.03672 | 4.743 |
| 2024 Apr 25 17:55 | 2024 Apr 21 18:47:11 | 99.0402 | 0.04680 | 11.2105 | 203.6044 | 219.9184 | 13.03672 | 4.743 |
| 2024 Apr 24 17:53 | 2024 Apr 21 18:47:11 | 99.0402 | 0.04680 | 11.2105 | 203.6044 | 219.9184 | 13.03672 | 4.743 |
| 2024 Apr 23 17:53 | 2024 Apr 21 18:47:11 | 99.0402 | 0.04680 | 11.2105 | 203.6044 | 219.9184 | 13.03672 | 4.743 |
| 2024 Apr 22 17:52 | 2024 Apr 21 18:47:11 | 99.0402 | 0.04680 | 11.2105 | 203.6044 | 219.9184 | 13.03672 | 4.743 |