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Spacecraft information: M-4S R/B
Launch Details
| Launched | 15 February 1971 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Uchinoura Space Center (Fomerly Kagoshima Space Center-University of Tokyo, Japan) |
| Owner | Japan |
| NORAD ID | 5126 |
| COSPAR ID | 1971-011B |
| Observing |
Current orbital elements
| Inclination | 29.681° |
| Eccentricity | 0.00123 |
| RA ascending node | 15.239 hr |
| Argument perigee | 171.228° |
| Mean anomaly | 188.851° |
| Orbital period | 104.628 min |
| Epoch of osculation | 12 Aug 2026, 23:57 |
Derived Quantities
| Min Altitude | 975.1 km |
| Mean Altitude | 984.1 km |
| Peak Altitude | 993.2 km |
Orbital History
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