Spacecraft information: KIKU-1
| Launched | 8 September 1975 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Tanegashima Space Center, Japan |
| Owner | Japan |
| NORAD ID | 8197 |
| COSPAR ID | 1975-082A |
| Alternative names |
ETS-I |
| Observing |
Current orbital elements
| Inclination | 46.990° |
| Eccentricity | 0.00861 |
| RA ascending node | 2.593 hr |
| Argument perigee | 273.377° |
| Mean anomaly | 232.175° |
| Orbital period | 105.913 min |
| Epoch of osculation | 06 Aug 2026, 21:44 |
Derived Quantities
| Min Altitude | 980.4 km |
| Mean Altitude | 1044.3 km |
| Peak Altitude | 1108.1 km |
Launched alongside
N-1 R/BOrbital History
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