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 Mar 25 18:56 | 2026 Mar 20 12:14:21 | 32.0308 | 0.05739 | 10.9667 | 241.5440 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 24 18:56 | 2026 Mar 20 12:14:21 | 32.0308 | 0.05739 | 10.9667 | 241.5440 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 23 18:56 | 2026 Mar 20 12:14:21 | 32.0308 | 0.05739 | 10.9667 | 241.5440 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 22 18:56 | 2026 Mar 20 12:14:21 | 32.0308 | 0.05739 | 10.9667 | 241.5440 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 21 19:05 | 2026 Mar 20 12:14:21 | 32.0308 | 0.05739 | 10.9667 | 241.5440 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 20 18:57 | 2026 Mar 20 12:14:21 | 32.0308 | 0.05739 | 10.9667 | 241.5440 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 19 18:56 | 2026 Mar 15 15:04:44 | 32.0297 | 0.05736 | 12.4100 | 208.4525 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 18 18:56 | 2026 Mar 15 15:04:44 | 32.0297 | 0.05736 | 12.4100 | 208.4525 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 17 18:56 | 2026 Mar 15 15:04:44 | 32.0297 | 0.05736 | 12.4100 | 208.4525 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 16 18:57 | 2026 Mar 15 15:04:44 | 32.0297 | 0.05736 | 12.4100 | 208.4525 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 15 18:56 | 2026 Mar 15 15:04:44 | 32.0297 | 0.05736 | 12.4100 | 208.4525 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 14 18:56 | 2026 Mar 10 08:37:35 | 32.0279 | 0.05734 | 13.9679 | 172.7236 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 13 18:57 | 2026 Mar 10 08:37:35 | 32.0279 | 0.05734 | 13.9679 | 172.7236 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 12 18:57 | 2026 Mar 10 08:37:35 | 32.0279 | 0.05734 | 13.9679 | 172.7236 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 11 18:56 | 2026 Mar 10 08:37:35 | 32.0279 | 0.05734 | 13.9679 | 172.7236 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 10 18:56 | 2026 Mar 10 08:37:35 | 32.0279 | 0.05734 | 13.9679 | 172.7236 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 09 18:56 | 2026 Mar 04 15:00:50 | 32.0266 | 0.05732 | 15.6633 | 133.8227 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 08 18:57 | 2026 Mar 04 15:00:50 | 32.0266 | 0.05732 | 15.6633 | 133.8227 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 07 18:57 | 2026 Mar 04 15:00:50 | 32.0266 | 0.05732 | 15.6633 | 133.8227 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 06 18:56 | 2026 Mar 04 15:00:50 | 32.0266 | 0.05732 | 15.6633 | 133.8227 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 05 18:56 | 2026 Mar 04 15:00:50 | 32.0266 | 0.05732 | 15.6633 | 133.8227 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 04 18:57 | 2026 Mar 04 15:00:50 | 32.0266 | 0.05732 | 15.6633 | 133.8227 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 03 18:56 | 2026 Feb 26 13:56:59 | 32.0265 | 0.05732 | 17.4506 | 92.8212 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 02 18:57 | 2026 Feb 26 13:56:59 | 32.0265 | 0.05732 | 17.4506 | 92.8212 | 112.6181 | 12.88504 | 8.243 |
| 2026 Mar 01 18:57 | 2026 Feb 26 13:56:59 | 32.0265 | 0.05732 | 17.4506 | 92.8212 | 112.6181 | 12.88504 | 8.243 |
| 2026 Feb 28 18:56 | 2026 Feb 26 13:56:59 | 32.0265 | 0.05732 | 17.4506 | 92.8212 | 112.6181 | 12.88504 | 8.243 |
| 2026 Feb 27 19:05 | 2026 Feb 26 13:56:59 | 32.0265 | 0.05732 | 17.4506 | 92.8212 | 112.6181 | 12.88504 | 8.243 |
| 2026 Feb 26 20:45 | 2026 Feb 26 13:56:59 | 32.0265 | 0.05732 | 17.4506 | 92.8212 | 112.6181 | 12.88504 | 8.243 |