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 | 97.403° |
| Eccentricity | 0.01451 |
| RA ascending node | 11.140 hr |
| Argument perigee | 42.867° |
| Mean anomaly | 318.373° |
| Orbital period | 98.995 min |
| Epoch of osculation | 22 Jun 2026, 11:20 |
Derived Quantities
| Min Altitude | 614.9 km |
| Mean Altitude | 717.7 km |
| Peak Altitude | 820.6 km |
Launched alongside
MOMO-1Orbital History
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