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HIMAWARI-4
Launch Details
| Launched | 4 September 1989 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Tanegashima Space Center, Japan |
| Owner | Japan |
| NORAD ID | 20217 |
| COSPAR ID | 1989-070A |
| Alternative names |
GMS-4 |
| Observing |
Current orbital elements
| Inclination | 14.915° |
| Eccentricity | 0.00459 |
| RA ascending node | 23.236 hr |
| Argument perigee | 144.074° |
| Mean anomaly | 277.071° |
| Orbital period | 1478.261 min |
| Epoch of osculation | 17 Oct 2025, 17:34 |
Derived Quantities
| Min Altitude | 36417.6 km |
| Mean Altitude | 36615.1 km |
| Peak Altitude | 36812.5 km |
Orbital History
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