Spacecraft information: KIKU-3
| Launched | 10 February 1981 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Tanegashima Space Center, Japan |
| Owner | Japan |
| NORAD ID | 12295 |
| COSPAR ID | 1981-012A |
| Alternative names |
ETS-IV |
| Observing |
Current orbital elements
| Inclination | 28.425° |
| Eccentricity | 0.47564 |
| RA ascending node | 7.974 hr |
| Argument perigee | 181.133° |
| Mean anomaly | 177.263° |
| Orbital period | 237.190 min |
| Epoch of osculation | 02 Feb 2026, 10:57 |
Derived Quantities
| Min Altitude | 284.7 km |
| Mean Altitude | 6321.8 km |
| Peak Altitude | 12359.0 km |
Orbital History
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