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HIMAWARI-4 AKM
Launch Details
| Launched | 4 September 1989 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Tanegashima Space Center, Japan |
| Owner | Japan |
| NORAD ID | 20317 |
| COSPAR ID | 1989-070C |
| Observing |
Current orbital elements
| Inclination | 12.856° |
| Eccentricity | 0.02368 |
| RA ascending node | 22.595 hr |
| Argument perigee | 57.089° |
| Mean anomaly | 309.835° |
| Orbital period | 1458.005 min |
| Epoch of osculation | 15 Sep 2025, 00:15 |
Derived Quantities
| Min Altitude | 35212.7 km |
| Mean Altitude | 36221.5 km |
| Peak Altitude | 37230.2 km |
Orbital History
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