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 | 12.280° |
| Eccentricity | 0.00040 |
| RA ascending node | 22.194 hr |
| Argument perigee | 50.324° |
| Mean anomaly | 126.316° |
| Orbital period | 1443.528 min |
| Epoch of osculation | 19 Mar 2026, 22:00 |
Derived Quantities
| Min Altitude | 35922.2 km |
| Mean Altitude | 35939.1 km |
| Peak Altitude | 35955.9 km |
Orbital History
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