Spacecraft information: SUPERBIRD-A
| Launched | 4 June 1989 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Europe's Spaceport, Kourou, French Guiana |
| Owner | Japan |
| NORAD ID | 20040 |
| COSPAR ID | 1989-041A |
| Observing |
Current orbital elements
| Inclination | 12.394° |
| Eccentricity | 0.00022 |
| RA ascending node | 22.238 hr |
| Argument perigee | 229.252° |
| Mean anomaly | 125.440° |
| Orbital period | 1443.534 min |
| Epoch of osculation | 12 Dec 2025, 04:05 |
Derived Quantities
| Min Altitude | 35930.1 km |
| Mean Altitude | 35939.2 km |
| Peak Altitude | 35948.3 km |
Orbital History
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