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MOMO-1B
Launch Details
| Launched | 6 February 1990 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Tanegashima Space Center, Japan |
| Owner | Japan |
| NORAD ID | 20478 |
| COSPAR ID | 1990-013A |
| Alternative names |
MOS-1B |
| Observing |
Current orbital elements
| Inclination | 99.270° |
| Eccentricity | 0.00065 |
| RA ascending node | 15.627 hr |
| Argument perigee | 73.828° |
| Mean anomaly | 286.360° |
| Orbital period | 103.154 min |
| Epoch of osculation | 28 Jun 2025, 13:51 |