Spacecraft information: AYAME-2
| Launched | 21 February 1980 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Tanegashima Space Center, Japan |
| Owner | Japan |
| NORAD ID | 11715 |
| COSPAR ID | 1980-018A |
| Alternative names |
ECS-B |
| Observing |
Current orbital elements
| Inclination | 9.436° |
| Eccentricity | 0.43812 |
| RA ascending node | 3.105 hr |
| Argument perigee | 276.839° |
| Mean anomaly | 31.994° |
| Orbital period | 820.539 min |
| Epoch of osculation | 01 Feb 2026, 21:48 |
Derived Quantities
| Min Altitude | 9942.2 km |
| Mean Altitude | 22662.1 km |
| Peak Altitude | 35382.0 km |
Orbital History
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