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 | 46.989° |
| Eccentricity | 0.00853 |
| RA ascending node | 18.180 hr |
| Argument perigee | 66.868° |
| Mean anomaly | 91.087° |
| Orbital period | 105.914 min |
| Epoch of osculation | 12 Dec 2025, 05:36 |
Derived Quantities
| Min Altitude | 981.1 km |
| Mean Altitude | 1044.3 km |
| Peak Altitude | 1107.5 km |
Launched alongside
N-1 R/BOrbital History
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