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Spacecraft information: 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 | 12.772° |
| Eccentricity | 0.02370 |
| RA ascending node | 22.558 hr |
| Argument perigee | 58.447° |
| Mean anomaly | 311.790° |
| Orbital period | 1458.056 min |
| Epoch of osculation | 12 Dec 2025, 02:34 |
Derived Quantities
| Min Altitude | 35212.9 km |
| Mean Altitude | 36222.5 km |
| Peak Altitude | 37232.1 km |
Orbital History
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