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 |
| 2026 Aug 18 17:56 | 2026 Aug 12 23:57:12 | 29.6806 | 0.00123 | 15.2387 | 171.2277 | 188.8515 | 13.76310 | 8.743 |
| 2026 Aug 17 17:56 | 2026 Aug 12 23:57:12 | 29.6806 | 0.00123 | 15.2387 | 171.2277 | 188.8515 | 13.76310 | 8.743 |
| 2026 Aug 16 17:56 | 2026 Aug 12 23:57:12 | 29.6806 | 0.00123 | 15.2387 | 171.2277 | 188.8515 | 13.76310 | 8.743 |
| 2026 Aug 15 17:57 | 2026 Aug 12 23:57:12 | 29.6806 | 0.00123 | 15.2387 | 171.2277 | 188.8515 | 13.76310 | 8.743 |
| 2026 Aug 14 17:56 | 2026 Aug 12 23:57:12 | 29.6806 | 0.00123 | 15.2387 | 171.2277 | 188.8515 | 13.76310 | 8.743 |
| 2026 Aug 13 17:57 | 2026 Aug 12 23:57:12 | 29.6806 | 0.00123 | 15.2387 | 171.2277 | 188.8515 | 13.76310 | 8.743 |
| 2026 Aug 12 17:56 | 2026 Aug 07 06:25:39 | 29.6811 | 0.00123 | 17.2512 | 122.9604 | 188.8515 | 13.76310 | 8.743 |
| 2026 Aug 11 17:56 | 2026 Aug 07 06:25:39 | 29.6811 | 0.00123 | 17.2512 | 122.9604 | 188.8515 | 13.76310 | 8.743 |
| 2026 Aug 10 17:56 | 2026 Aug 07 06:25:39 | 29.6811 | 0.00123 | 17.2512 | 122.9604 | 188.8515 | 13.76310 | 8.743 |
| 2026 Aug 09 17:57 | 2026 Aug 07 06:25:39 | 29.6811 | 0.00123 | 17.2512 | 122.9604 | 188.8515 | 13.76310 | 8.743 |
| 2026 Aug 08 17:57 | 2026 Aug 07 06:25:39 | 29.6811 | 0.00123 | 17.2512 | 122.9604 | 188.8515 | 13.76310 | 8.743 |
| 2026 Aug 07 17:57 | 2026 Aug 07 06:25:39 | 29.6811 | 0.00123 | 17.2512 | 122.9604 | 188.8515 | 13.76310 | 8.743 |
| 2026 Aug 06 17:57 | 2026 Aug 01 05:56:16 | 29.6825 | 0.00123 | 19.3655 | 72.2107 | 188.8515 | 13.76310 | 8.743 |
| 2026 Aug 05 17:56 | 2026 Aug 01 05:56:16 | 29.6825 | 0.00123 | 19.3655 | 72.2107 | 188.8515 | 13.76310 | 8.743 |
| 2026 Aug 04 17:57 | 2026 Aug 01 05:56:16 | 29.6825 | 0.00123 | 19.3655 | 72.2107 | 188.8515 | 13.76310 | 8.743 |
| 2026 Aug 03 17:56 | 2026 Aug 01 05:56:16 | 29.6825 | 0.00123 | 19.3655 | 72.2107 | 188.8515 | 13.76310 | 8.743 |
| 2026 Aug 02 17:57 | 2026 Aug 01 05:56:16 | 29.6825 | 0.00123 | 19.3655 | 72.2107 | 188.8515 | 13.76310 | 8.743 |
| 2026 Aug 01 17:57 | 2026 Aug 01 05:56:16 | 29.6825 | 0.00123 | 19.3655 | 72.2107 | 188.8515 | 13.76310 | 8.743 |
| 2026 Jul 31 17:56 | 2026 Jul 27 07:33:37 | 29.6832 | 0.00123 | 21.0977 | 30.7067 | 188.8515 | 13.76310 | 8.743 |
| 2026 Jul 30 17:57 | 2026 Jul 27 07:33:37 | 29.6832 | 0.00123 | 21.0977 | 30.7067 | 188.8515 | 13.76310 | 8.743 |
| 2026 Jul 29 17:57 | 2026 Jul 27 07:33:37 | 29.6832 | 0.00123 | 21.0977 | 30.7067 | 188.8515 | 13.76310 | 8.743 |
| 2026 Jul 28 17:57 | 2026 Jul 27 07:33:37 | 29.6832 | 0.00123 | 21.0977 | 30.7067 | 188.8515 | 13.76310 | 8.743 |
| 2026 Jul 27 17:57 | 2026 Jul 27 07:33:37 | 29.6832 | 0.00123 | 21.0977 | 30.7067 | 188.8515 | 13.76310 | 8.743 |
| 2026 Jul 26 17:56 | 2026 Jul 21 01:50:51 | 29.6837 | 0.00124 | 23.2884 | 338.3425 | 188.8515 | 13.76310 | 8.743 |
| 2026 Jul 25 17:57 | 2026 Jul 21 01:50:51 | 29.6837 | 0.00124 | 23.2884 | 338.3425 | 188.8515 | 13.76310 | 8.743 |
| 2026 Jul 24 17:56 | 2026 Jul 21 01:50:51 | 29.6837 | 0.00124 | 23.2884 | 338.3425 | 188.8515 | 13.76310 | 8.743 |
| 2026 Jul 23 17:57 | 2026 Jul 21 01:50:51 | 29.6837 | 0.00124 | 23.2884 | 338.3425 | 188.8515 | 13.76310 | 8.743 |
| 2026 Jul 22 17:57 | 2026 Jul 21 01:50:51 | 29.6837 | 0.00124 | 23.2884 | 338.3425 | 188.8515 | 13.76310 | 8.743 |