Orbital elements of M-4S R/B
| Launched | 15 February 1971 |
| Flight ended | – |
| Launch site | Uchinoura Space Center (Fomerly Kagoshima Space Center-University of Tokyo, Japan) |
| Owner | Japan |
| NORAD ID | 5126 |
| 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 Sep 15 17:56 | 2025 Sep 15 03:31:12 | 29.6812 | 0.00124 | 11.7802 | 261.5545 | 98.3631 | 13.76271 | 8.743 |
| 2025 Sep 12 17:57 | 2025 Sep 03 04:16:27 | 29.6807 | 0.00123 | 15.9834 | 161.2255 | 98.3631 | 13.76271 | 8.743 |
| 2025 Sep 11 17:57 | 2025 Sep 03 04:16:27 | 29.6807 | 0.00123 | 15.9834 | 161.2255 | 98.3631 | 13.76271 | 8.743 |
| 2025 Sep 10 17:56 | 2025 Sep 03 04:16:27 | 29.6807 | 0.00123 | 15.9834 | 161.2255 | 98.3631 | 13.76271 | 8.743 |
| 2025 Sep 08 17:57 | 2025 Sep 03 04:16:27 | 29.6807 | 0.00123 | 15.9834 | 161.2255 | 98.3631 | 13.76271 | 8.743 |
| 2025 Sep 07 17:56 | 2025 Sep 03 04:16:27 | 29.6807 | 0.00123 | 15.9834 | 161.2255 | 98.3631 | 13.76271 | 8.743 |
| 2025 Sep 06 20:41 | 2025 Sep 03 04:16:27 | 29.6807 | 0.00123 | 15.9834 | 161.2255 | 98.3631 | 13.76271 | 8.743 |
| 2025 Sep 03 17:57 | 2025 Sep 03 04:16:27 | 29.6807 | 0.00123 | 15.9834 | 161.2255 | 98.3631 | 13.76271 | 8.743 |
| 2025 Sep 02 17:56 | 2025 Aug 27 19:04:34 | 29.6814 | 0.00123 | 18.2251 | 107.5200 | 98.3631 | 13.76271 | 8.743 |
| 2025 Sep 01 17:56 | 2025 Aug 27 19:04:34 | 29.6814 | 0.00123 | 18.2251 | 107.5200 | 98.3631 | 13.76271 | 8.743 |
| 2025 Aug 31 17:56 | 2025 Aug 27 19:04:34 | 29.6814 | 0.00123 | 18.2251 | 107.5200 | 98.3631 | 13.76271 | 8.743 |
| 2025 Aug 30 17:56 | 2025 Aug 27 19:04:34 | 29.6814 | 0.00123 | 18.2251 | 107.5200 | 98.3631 | 13.76271 | 8.743 |
| 2025 Aug 29 17:56 | 2025 Aug 27 19:04:34 | 29.6814 | 0.00123 | 18.2251 | 107.5200 | 98.3631 | 13.76271 | 8.743 |
| 2025 Aug 28 17:57 | 2025 Aug 27 19:04:34 | 29.6814 | 0.00123 | 18.2251 | 107.5200 | 98.3631 | 13.76271 | 8.743 |
| 2025 Aug 27 17:56 | 2025 Aug 22 11:59:27 | 29.6824 | 0.00123 | 20.0847 | 62.8707 | 98.3631 | 13.76271 | 8.743 |
| 2025 Aug 26 17:56 | 2025 Aug 22 11:59:27 | 29.6824 | 0.00123 | 20.0847 | 62.8707 | 98.3631 | 13.76271 | 8.743 |
| 2025 Aug 25 17:56 | 2025 Aug 22 11:59:27 | 29.6824 | 0.00123 | 20.0847 | 62.8707 | 98.3631 | 13.76271 | 8.743 |
| 2025 Aug 24 17:56 | 2025 Aug 22 11:59:27 | 29.6824 | 0.00123 | 20.0847 | 62.8707 | 98.3631 | 13.76271 | 8.743 |
| 2025 Aug 23 17:56 | 2025 Aug 22 11:59:27 | 29.6824 | 0.00123 | 20.0847 | 62.8707 | 98.3631 | 13.76271 | 8.743 |
| 2025 Aug 22 17:56 | 2025 Aug 17 22:18:52 | 29.6834 | 0.00124 | 21.6894 | 24.4209 | 98.3631 | 13.76271 | 8.743 |