| Official name | KIKU 3 (ETS 4) |
| Alternative name | Kiku 3 (ETS IV) |
| Cospar ID | 1981-012A |
| Norad ID | 12295 |
| Launch date | 1981-02-11 |
| Launch site | TNSTA |
| Launch vehicle | N-2 Star-37E |
| Country/Organization | Japan |
| Type application | Technology |
| Operator | NASDA |
| RCS size | LARGE |
| Decay date | ON ORBIT |
| Period (min) | 248.41 |
| Inclination (deg) | 28.41 |
| Perigee (km) | 317 |
| Apogee (km) | 13107 |
| Eccentricity | 0.95277115613826 |
| Mean motion (revs. per day) | 5.79686808099513 |
| Semi-Major axis (km) | 13090.135 |
| Raan (deg) | 201.7402 |
| Arg of perigee (deg) | 314.456 |
| Shape | Cyl |
| Mass (kg) | 634.29 |
| Diameter (m) | 2.1 |
| Height (m) | 2.8 |
| Span (m^2) | 2.8 |
| Contractors | Mitsubishi Electric (MELCO) |
| Power | Solar cells, batteries |
| Satellite | COSPAR | Date | LS | Launch Vehicle | Remarks | |
|---|---|---|---|---|---|---|
| KIKU 3 (ETS 4) | 1981-012A | 1981-02-11 | TNSTA | N-2 Star-37E |
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