Spacecraft information: HIMAWARI-4
| 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 | 14.882° |
| Eccentricity | 0.00438 |
| RA ascending node | 23.206 hr |
| Argument perigee | 145.033° |
| Mean anomaly | 224.560° |
| Orbital period | 1478.250 min |
| Epoch of osculation | 20 Dec 2025, 05:32 |
Derived Quantities
| Min Altitude | 36426.7 km |
| Mean Altitude | 36614.8 km |
| Peak Altitude | 36803.0 km |
Orbital History
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