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 Dec 12 18:57 | 2025 Dec 12 02:08:57 | 32.0317 | 0.05742 | 16.0661 | 294.1450 | 60.0148 | 12.88496 | 8.243 |
| 2025 Dec 11 18:56 | 2025 Dec 07 04:58:16 | 32.0330 | 0.05742 | 17.5095 | 261.0658 | 60.0148 | 12.88496 | 8.243 |
| 2025 Dec 10 18:56 | 2025 Dec 07 04:58:16 | 32.0330 | 0.05742 | 17.5095 | 261.0658 | 60.0148 | 12.88496 | 8.243 |
| 2025 Dec 09 18:56 | 2025 Dec 07 04:58:16 | 32.0330 | 0.05742 | 17.5095 | 261.0658 | 60.0148 | 12.88496 | 8.243 |
| 2025 Dec 08 18:56 | 2025 Dec 07 04:58:16 | 32.0330 | 0.05742 | 17.5095 | 261.0658 | 60.0148 | 12.88496 | 8.243 |
| 2025 Dec 07 18:56 | 2025 Dec 07 04:58:16 | 32.0330 | 0.05742 | 17.5095 | 261.0658 | 60.0148 | 12.88496 | 8.243 |
| 2025 Dec 06 18:56 | 2025 Dec 02 05:56:39 | 32.0331 | 0.05742 | 18.9757 | 227.4634 | 60.0148 | 12.88496 | 8.243 |
| 2025 Dec 05 18:57 | 2025 Dec 02 05:56:39 | 32.0331 | 0.05742 | 18.9757 | 227.4634 | 60.0148 | 12.88496 | 8.243 |
| 2025 Dec 04 18:57 | 2025 Dec 02 05:56:39 | 32.0331 | 0.05742 | 18.9757 | 227.4634 | 60.0148 | 12.88496 | 8.243 |
| 2025 Dec 03 18:56 | 2025 Dec 02 05:56:39 | 32.0331 | 0.05742 | 18.9757 | 227.4634 | 60.0148 | 12.88496 | 8.243 |
| 2025 Dec 02 18:56 | 2025 Dec 02 05:56:39 | 32.0331 | 0.05742 | 18.9757 | 227.4634 | 60.0148 | 12.88496 | 8.243 |
| 2025 Nov 30 18:57 | 2025 Nov 25 06:34:38 | 32.0318 | 0.05740 | 21.0375 | 180.1909 | 60.0148 | 12.88496 | 8.243 |
| 2025 Nov 29 18:56 | 2025 Nov 25 06:34:38 | 32.0318 | 0.05740 | 21.0375 | 180.1909 | 60.0148 | 12.88496 | 8.243 |
| 2025 Nov 28 18:57 | 2025 Nov 25 06:34:38 | 32.0318 | 0.05740 | 21.0375 | 180.1909 | 60.0148 | 12.88496 | 8.243 |
| 2025 Nov 27 18:57 | 2025 Nov 25 06:34:38 | 32.0318 | 0.05740 | 21.0375 | 180.1909 | 60.0148 | 12.88496 | 8.243 |
| 2025 Nov 26 18:57 | 2025 Nov 25 06:34:38 | 32.0318 | 0.05740 | 21.0375 | 180.1909 | 60.0148 | 12.88496 | 8.243 |
| 2025 Nov 25 18:57 | 2025 Nov 25 06:34:38 | 32.0318 | 0.05740 | 21.0375 | 180.1909 | 60.0148 | 12.88496 | 8.243 |
| 2025 Nov 24 18:56 | 2025 Nov 20 01:58:59 | 32.0310 | 0.05738 | 22.5724 | 144.9886 | 60.0148 | 12.88496 | 8.243 |
| 2025 Nov 23 18:57 | 2025 Nov 20 01:58:59 | 32.0310 | 0.05738 | 22.5724 | 144.9886 | 60.0148 | 12.88496 | 8.243 |
| 2025 Nov 21 18:57 | 2025 Nov 20 01:58:59 | 32.0310 | 0.05738 | 22.5724 | 144.9886 | 60.0148 | 12.88496 | 8.243 |
| 2025 Nov 20 18:56 | 2025 Nov 20 01:58:59 | 32.0310 | 0.05738 | 22.5724 | 144.9886 | 60.0148 | 12.88496 | 8.243 |
| 2025 Nov 18 18:57 | 2025 Nov 08 12:51:56 | 32.0301 | 0.05737 | 1.9861 | 66.6864 | 60.0148 | 12.88496 | 8.243 |
| 2025 Nov 16 18:58 | 2025 Nov 08 12:51:56 | 32.0301 | 0.05737 | 1.9861 | 66.6864 | 60.0148 | 12.88496 | 8.243 |
| 2025 Nov 15 18:57 | 2025 Nov 08 12:51:56 | 32.0301 | 0.05737 | 1.9861 | 66.6864 | 60.0148 | 12.88496 | 8.243 |