Spacecraft information: N-2 R/B
| Launched | 18 February 1987 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Tanegashima Space Center, Japan |
| Owner | Japan |
| NORAD ID | 17528 |
| COSPAR ID | 1987-018B |
| Observing |
Current orbital elements
| Inclination | 97.404° |
| Eccentricity | 0.01446 |
| RA ascending node | 4.998 hr |
| Argument perigee | 11.099° |
| Mean anomaly | 349.334° |
| Orbital period | 99.004 min |
| Epoch of osculation | 10 Mar 2026, 12:42 |
Derived Quantities
| Min Altitude | 615.7 km |
| Mean Altitude | 718.2 km |
| Peak Altitude | 820.6 km |
Launched alongside
MOMO-1Orbital History
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