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 |
| 2026 Aug 17 17:56 | 2026 Aug 03 04:59:04 | 32.0283 | 0.05737 | 18.8458 | 81.5452 | 284.9712 | 12.88512 | 8.243 |
| 2026 Aug 16 17:56 | 2026 Aug 03 04:59:04 | 32.0283 | 0.05737 | 18.8458 | 81.5452 | 284.9712 | 12.88512 | 8.243 |
| 2026 Aug 15 17:57 | 2026 Aug 03 04:59:04 | 32.0283 | 0.05737 | 18.8458 | 81.5452 | 284.9712 | 12.88512 | 8.243 |
| 2026 Aug 14 17:56 | 2026 Aug 03 04:59:04 | 32.0283 | 0.05737 | 18.8458 | 81.5452 | 284.9712 | 12.88512 | 8.243 |
| 2026 Aug 13 17:57 | 2026 Aug 03 04:59:04 | 32.0283 | 0.05737 | 18.8458 | 81.5452 | 284.9712 | 12.88512 | 8.243 |
| 2026 Aug 12 17:56 | 2026 Aug 03 04:59:04 | 32.0283 | 0.05737 | 18.8458 | 81.5452 | 284.9712 | 12.88512 | 8.243 |
| 2026 Aug 11 17:56 | 2026 Aug 03 04:59:04 | 32.0283 | 0.05737 | 18.8458 | 81.5452 | 284.9712 | 12.88512 | 8.243 |
| 2026 Aug 10 17:56 | 2026 Aug 03 04:59:04 | 32.0283 | 0.05737 | 18.8458 | 81.5452 | 284.9712 | 12.88512 | 8.243 |
| 2026 Aug 09 17:57 | 2026 Aug 03 04:59:04 | 32.0283 | 0.05737 | 18.8458 | 81.5452 | 284.9712 | 12.88512 | 8.243 |
| 2026 Aug 08 17:57 | 2026 Aug 03 04:59:04 | 32.0283 | 0.05737 | 18.8458 | 81.5452 | 284.9712 | 12.88512 | 8.243 |
| 2026 Aug 07 17:57 | 2026 Aug 03 04:59:04 | 32.0283 | 0.05737 | 18.8458 | 81.5452 | 284.9712 | 12.88512 | 8.243 |
| 2026 Aug 06 17:57 | 2026 Aug 01 06:29:06 | 32.0287 | 0.05737 | 19.4186 | 68.4051 | 284.9712 | 12.88512 | 8.243 |
| 2026 Aug 05 17:56 | 2026 Aug 01 06:29:06 | 32.0287 | 0.05737 | 19.4186 | 68.4051 | 284.9712 | 12.88512 | 8.243 |
| 2026 Aug 04 17:57 | 2026 Aug 01 06:29:06 | 32.0287 | 0.05737 | 19.4186 | 68.4051 | 284.9712 | 12.88512 | 8.243 |
| 2026 Aug 03 17:56 | 2026 Aug 01 06:29:06 | 32.0287 | 0.05737 | 19.4186 | 68.4051 | 284.9712 | 12.88512 | 8.243 |
| 2026 Aug 02 17:57 | 2026 Aug 01 06:29:06 | 32.0287 | 0.05737 | 19.4186 | 68.4051 | 284.9712 | 12.88512 | 8.243 |
| 2026 Aug 01 17:57 | 2026 Aug 01 06:29:06 | 32.0287 | 0.05737 | 19.4186 | 68.4051 | 284.9712 | 12.88512 | 8.243 |
| 2026 Jul 31 17:56 | 2026 Jul 27 07:26:21 | 32.0302 | 0.05737 | 20.8852 | 34.7667 | 284.9712 | 12.88512 | 8.243 |
| 2026 Jul 30 17:57 | 2026 Jul 27 07:26:21 | 32.0302 | 0.05737 | 20.8852 | 34.7667 | 284.9712 | 12.88512 | 8.243 |
| 2026 Jul 29 17:57 | 2026 Jul 27 07:26:21 | 32.0302 | 0.05737 | 20.8852 | 34.7667 | 284.9712 | 12.88512 | 8.243 |
| 2026 Jul 28 17:57 | 2026 Jul 27 07:26:21 | 32.0302 | 0.05737 | 20.8852 | 34.7667 | 284.9712 | 12.88512 | 8.243 |
| 2026 Jul 27 17:57 | 2026 Jul 27 07:26:21 | 32.0302 | 0.05737 | 20.8852 | 34.7667 | 284.9712 | 12.88512 | 8.243 |
| 2026 Jul 26 17:56 | 2026 Jul 21 02:37:30 | 32.0321 | 0.05739 | 22.7184 | 352.7194 | 284.9712 | 12.88512 | 8.243 |
| 2026 Jul 25 17:57 | 2026 Jul 21 02:37:30 | 32.0321 | 0.05739 | 22.7184 | 352.7194 | 284.9712 | 12.88512 | 8.243 |
| 2026 Jul 24 17:56 | 2026 Jul 21 02:37:30 | 32.0321 | 0.05739 | 22.7184 | 352.7194 | 284.9712 | 12.88512 | 8.243 |
| 2026 Jul 23 17:57 | 2026 Jul 21 02:37:30 | 32.0321 | 0.05739 | 22.7184 | 352.7194 | 284.9712 | 12.88512 | 8.243 |
| 2026 Jul 22 17:57 | 2026 Jul 21 02:37:30 | 32.0321 | 0.05739 | 22.7184 | 352.7194 | 284.9712 | 12.88512 | 8.243 |