Orbital elements of M-4S R/B
| Launched | 27 September 1971 |
| Flight ended | – |
| Launch site | Uchinoura Space Center (Fomerly Kagoshima Space Center-University of Tokyo, Japan) |
| Owner | Japan |
| NORAD ID | 5498 |
| 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 Aug 20 17:56 | 2025 Aug 17 20:16:25 | 32.0333 | 0.05742 | 2.4345 | 226.0743 | 129.1060 | 12.88490 | 8.243 |
| 2025 Aug 19 17:56 | 2025 Aug 17 20:16:25 | 32.0333 | 0.05742 | 2.4345 | 226.0743 | 129.1060 | 12.88490 | 8.243 |
| 2025 Aug 18 17:56 | 2025 Aug 17 20:16:25 | 32.0333 | 0.05742 | 2.4345 | 226.0743 | 129.1060 | 12.88490 | 8.243 |
| 2025 Aug 16 17:56 | 2025 Aug 12 10:05:54 | 32.0313 | 0.05740 | 4.0381 | 189.3079 | 129.1060 | 12.88490 | 8.243 |
| 2025 Aug 15 17:57 | 2025 Aug 12 10:05:54 | 32.0313 | 0.05740 | 4.0381 | 189.3079 | 129.1060 | 12.88490 | 8.243 |
| 2025 Aug 14 17:56 | 2025 Aug 12 10:05:54 | 32.0313 | 0.05740 | 4.0381 | 189.3079 | 129.1060 | 12.88490 | 8.243 |
| 2025 Aug 13 17:58 | 2025 Aug 12 10:05:54 | 32.0313 | 0.05740 | 4.0381 | 189.3079 | 129.1060 | 12.88490 | 8.243 |
| 2025 Aug 12 17:56 | 2025 Aug 12 10:05:54 | 32.0313 | 0.05740 | 4.0381 | 189.3079 | 129.1060 | 12.88490 | 8.243 |
| 2025 Aug 11 17:56 | 2025 Aug 06 22:03:57 | 32.0291 | 0.05738 | 5.6647 | 152.0052 | 129.1060 | 12.88490 | 8.243 |
| 2025 Aug 10 17:57 | 2025 Aug 06 22:03:57 | 32.0291 | 0.05738 | 5.6647 | 152.0052 | 129.1060 | 12.88490 | 8.243 |
| 2025 Aug 09 17:56 | 2025 Aug 06 22:03:57 | 32.0291 | 0.05738 | 5.6647 | 152.0052 | 129.1060 | 12.88490 | 8.243 |
| 2025 Aug 08 17:56 | 2025 Aug 06 22:03:57 | 32.0291 | 0.05738 | 5.6647 | 152.0052 | 129.1060 | 12.88490 | 8.243 |
| 2025 Aug 07 17:56 | 2025 Aug 06 22:03:57 | 32.0291 | 0.05738 | 5.6647 | 152.0052 | 129.1060 | 12.88490 | 8.243 |
| 2025 Aug 05 17:56 | 2025 Jul 31 21:00:25 | 32.0278 | 0.05738 | 7.4517 | 111.0184 | 129.1060 | 12.88490 | 8.243 |
| 2025 Aug 04 17:56 | 2025 Jul 31 21:00:25 | 32.0278 | 0.05738 | 7.4517 | 111.0184 | 129.1060 | 12.88490 | 8.243 |
| 2025 Aug 03 17:56 | 2025 Jul 31 21:00:25 | 32.0278 | 0.05738 | 7.4517 | 111.0184 | 129.1060 | 12.88490 | 8.243 |
| 2025 Aug 02 17:56 | 2025 Jul 31 21:00:25 | 32.0278 | 0.05738 | 7.4517 | 111.0184 | 129.1060 | 12.88490 | 8.243 |
| 2025 Aug 01 17:56 | 2025 Jul 31 21:00:25 | 32.0278 | 0.05738 | 7.4517 | 111.0184 | 129.1060 | 12.88490 | 8.243 |
| 2025 Jul 31 17:56 | 2025 Jul 25 21:47:30 | 32.0267 | 0.05737 | 9.2161 | 70.5521 | 129.1060 | 12.88490 | 8.243 |
| 2025 Jul 29 17:56 | 2025 Jul 25 21:47:30 | 32.0267 | 0.05737 | 9.2161 | 70.5521 | 129.1060 | 12.88490 | 8.243 |
| 2025 Jul 28 17:58 | 2025 Jul 25 21:47:30 | 32.0267 | 0.05737 | 9.2161 | 70.5521 | 129.1060 | 12.88490 | 8.243 |
| 2025 Jul 26 17:56 | 2025 Jul 25 21:47:30 | 32.0267 | 0.05737 | 9.2161 | 70.5521 | 129.1060 | 12.88490 | 8.243 |
| 2025 Jul 25 17:56 | 2025 Jul 20 13:26:37 | 32.0269 | 0.05737 | 10.7973 | 34.2798 | 129.1060 | 12.88490 | 8.243 |