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 Dec 29 18:56 | 2025 Dec 26 08:25:05 | 29.6835 | 0.00123 | 23.8884 | 41.5414 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 28 18:57 | 2025 Dec 26 08:25:05 | 29.6835 | 0.00123 | 23.8884 | 41.5414 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 27 18:57 | 2025 Dec 26 08:25:05 | 29.6835 | 0.00123 | 23.8884 | 41.5414 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 26 18:56 | 2025 Dec 26 08:25:05 | 29.6835 | 0.00123 | 23.8884 | 41.5414 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 25 18:57 | 2025 Dec 20 09:39:59 | 29.6833 | 0.00123 | 1.9771 | 351.5589 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 24 18:56 | 2025 Dec 20 09:39:59 | 29.6833 | 0.00123 | 1.9771 | 351.5589 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 23 18:56 | 2025 Dec 20 09:39:59 | 29.6833 | 0.00123 | 1.9771 | 351.5589 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 22 18:57 | 2025 Dec 20 09:39:59 | 29.6833 | 0.00123 | 1.9771 | 351.5589 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 21 18:57 | 2025 Dec 20 09:39:59 | 29.6833 | 0.00123 | 1.9771 | 351.5589 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 20 18:57 | 2025 Dec 20 09:39:59 | 29.6833 | 0.00123 | 1.9771 | 351.5589 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 19 18:57 | 2025 Dec 11 15:01:14 | 29.6825 | 0.00124 | 5.0593 | 277.9772 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 18 18:57 | 2025 Dec 11 15:01:14 | 29.6825 | 0.00124 | 5.0593 | 277.9772 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 17 18:58 | 2025 Dec 11 15:01:14 | 29.6825 | 0.00124 | 5.0593 | 277.9772 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 16 18:57 | 2025 Dec 11 15:01:14 | 29.6825 | 0.00124 | 5.0593 | 277.9772 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 15 18:58 | 2025 Dec 11 15:01:14 | 29.6825 | 0.00124 | 5.0593 | 277.9772 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 14 18:56 | 2025 Dec 11 15:01:14 | 29.6825 | 0.00124 | 5.0593 | 277.9772 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 13 18:56 | 2025 Dec 11 15:01:14 | 29.6825 | 0.00124 | 5.0593 | 277.9772 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 12 18:57 | 2025 Dec 11 15:01:14 | 29.6825 | 0.00124 | 5.0593 | 277.9772 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 11 18:56 | 2025 Dec 07 01:20:45 | 29.6815 | 0.00123 | 6.6641 | 239.6826 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 10 18:56 | 2025 Dec 07 01:20:45 | 29.6815 | 0.00123 | 6.6641 | 239.6826 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 09 18:56 | 2025 Dec 07 01:20:45 | 29.6815 | 0.00123 | 6.6641 | 239.6826 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 08 18:56 | 2025 Dec 07 01:20:45 | 29.6815 | 0.00123 | 6.6641 | 239.6826 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 07 18:56 | 2025 Dec 07 01:20:45 | 29.6815 | 0.00123 | 6.6641 | 239.6826 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 06 18:56 | 2025 Dec 02 11:40:16 | 29.6804 | 0.00122 | 8.2690 | 201.3149 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 05 18:57 | 2025 Dec 02 11:40:16 | 29.6804 | 0.00122 | 8.2690 | 201.3149 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 04 18:57 | 2025 Dec 02 11:40:16 | 29.6804 | 0.00122 | 8.2690 | 201.3149 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 03 18:56 | 2025 Dec 02 11:40:16 | 29.6804 | 0.00122 | 8.2690 | 201.3149 | 318.6096 | 13.76287 | 8.743 |
| 2025 Dec 02 18:56 | 2025 Dec 02 11:40:16 | 29.6804 | 0.00122 | 8.2690 | 201.3149 | 318.6096 | 13.76287 | 8.743 |