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 | 28.443° |
| Eccentricity | 0.47158 |
| RA ascending node | 15.113 hr |
| Argument perigee | 233.270° |
| Mean anomaly | 73.573° |
| Orbital period | 235.252 min |
| Epoch of osculation | 12 Aug 2026, 06:00 |
Derived Quantities
| Min Altitude | 299.5 km |
| Mean Altitude | 6252.6 km |
| Peak Altitude | 12205.6 km |
Orbital History
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