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Spacecraft information: UME-2
Launch Details
| Launched | 15 February 1978 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Tanegashima Space Center, Japan |
| Owner | Japan |
| NORAD ID | 10674 |
| COSPAR ID | 1978-018A |
| Alternative names |
ISS-B |
| Observing |
Current orbital elements
| Inclination | 69.362° |
| Eccentricity | 0.01669 |
| RA ascending node | 16.779 hr |
| Argument perigee | 298.127° |
| Mean anomaly | 237.353° |
| Orbital period | 107.166 min |
| Epoch of osculation | 20 Dec 2025, 10:43 |
Derived Quantities
| Min Altitude | 977.9 km |
| Mean Altitude | 1102.6 km |
| Peak Altitude | 1227.4 km |
Orbital History
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