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 May 20 17:57 | 2026 May 15 18:31:29 | 32.0334 | 0.05742 | 18.3322 | 262.9687 | 90.5296 | 12.88510 | 8.243 |
| 2026 May 19 17:58 | 2026 May 15 18:31:29 | 32.0334 | 0.05742 | 18.3322 | 262.9687 | 90.5296 | 12.88510 | 8.243 |
| 2026 May 18 17:57 | 2026 May 15 18:31:29 | 32.0334 | 0.05742 | 18.3322 | 262.9687 | 90.5296 | 12.88510 | 8.243 |
| 2026 May 17 17:57 | 2026 May 15 18:31:29 | 32.0334 | 0.05742 | 18.3322 | 262.9687 | 90.5296 | 12.88510 | 8.243 |
| 2026 May 16 17:56 | 2026 May 15 18:31:29 | 32.0334 | 0.05742 | 18.3322 | 262.9687 | 90.5296 | 12.88510 | 8.243 |
| 2026 May 15 17:57 | 2026 May 10 10:12:01 | 32.0331 | 0.05741 | 19.9130 | 226.7381 | 90.5296 | 12.88510 | 8.243 |
| 2026 May 14 17:58 | 2026 May 10 10:12:01 | 32.0331 | 0.05741 | 19.9130 | 226.7381 | 90.5296 | 12.88510 | 8.243 |
| 2026 May 13 17:58 | 2026 May 10 10:12:01 | 32.0331 | 0.05741 | 19.9130 | 226.7381 | 90.5296 | 12.88510 | 8.243 |
| 2026 May 12 17:58 | 2026 May 10 10:12:01 | 32.0331 | 0.05741 | 19.9130 | 226.7381 | 90.5296 | 12.88510 | 8.243 |
| 2026 May 11 17:56 | 2026 May 10 10:12:01 | 32.0331 | 0.05741 | 19.9130 | 226.7381 | 90.5296 | 12.88510 | 8.243 |
| 2026 May 10 17:57 | 2026 May 10 10:12:01 | 32.0331 | 0.05741 | 19.9130 | 226.7381 | 90.5296 | 12.88510 | 8.243 |
| 2026 May 09 17:57 | 2026 May 05 11:11:03 | 32.0322 | 0.05739 | 21.3792 | 193.1242 | 90.5296 | 12.88510 | 8.243 |
| 2026 May 08 17:57 | 2026 May 05 11:11:03 | 32.0322 | 0.05739 | 21.3792 | 193.1242 | 90.5296 | 12.88510 | 8.243 |
| 2026 May 07 17:58 | 2026 May 05 11:11:03 | 32.0322 | 0.05739 | 21.3792 | 193.1242 | 90.5296 | 12.88510 | 8.243 |
| 2026 May 06 17:57 | 2026 May 05 11:11:03 | 32.0322 | 0.05739 | 21.3792 | 193.1242 | 90.5296 | 12.88510 | 8.243 |
| 2026 May 05 17:57 | 2026 May 05 11:11:03 | 32.0322 | 0.05739 | 21.3792 | 193.1242 | 90.5296 | 12.88510 | 8.243 |
| 2026 May 04 17:57 | 2026 Apr 30 14:01:50 | 32.0312 | 0.05738 | 22.8224 | 160.0275 | 90.5296 | 12.88510 | 8.243 |
| 2026 May 03 17:57 | 2026 Apr 30 14:01:50 | 32.0312 | 0.05738 | 22.8224 | 160.0275 | 90.5296 | 12.88510 | 8.243 |
| 2026 May 02 17:57 | 2026 Apr 30 14:01:50 | 32.0312 | 0.05738 | 22.8224 | 160.0275 | 90.5296 | 12.88510 | 8.243 |
| 2026 May 01 17:56 | 2026 Apr 30 14:01:50 | 32.0312 | 0.05738 | 22.8224 | 160.0275 | 90.5296 | 12.88510 | 8.243 |
| 2026 Apr 30 17:56 | 2026 Apr 30 14:01:50 | 32.0312 | 0.05738 | 22.8224 | 160.0275 | 90.5296 | 12.88510 | 8.243 |
| 2026 Apr 29 17:57 | 2026 Apr 24 03:40:40 | 32.0307 | 0.05737 | 0.7239 | 116.4119 | 90.5296 | 12.88510 | 8.243 |
| 2026 Apr 28 17:56 | 2026 Apr 24 03:40:40 | 32.0307 | 0.05737 | 0.7239 | 116.4119 | 90.5296 | 12.88510 | 8.243 |
| 2026 Apr 27 17:58 | 2026 Apr 24 03:40:40 | 32.0307 | 0.05737 | 0.7239 | 116.4119 | 90.5296 | 12.88510 | 8.243 |
| 2026 Apr 26 17:58 | 2026 Apr 24 03:40:40 | 32.0307 | 0.05737 | 0.7239 | 116.4119 | 90.5296 | 12.88510 | 8.243 |
| 2026 Apr 25 17:58 | 2026 Apr 24 03:40:40 | 32.0307 | 0.05737 | 0.7239 | 116.4119 | 90.5296 | 12.88510 | 8.243 |
| 2026 Apr 24 17:59 | 2026 Apr 24 03:40:40 | 32.0307 | 0.05737 | 0.7239 | 116.4119 | 90.5296 | 12.88510 | 8.243 |
| 2026 Apr 23 17:57 | 2026 Apr 19 12:05:11 | 32.0300 | 0.05736 | 2.0986 | 84.8809 | 90.5296 | 12.88510 | 8.243 |