H-1 R/B

Launch Details
Launched 6 February 1990
Flight ended –
Status Unknown
Launch site Tanegashima Space Center, Japan
Owner Japan
NORAD ID 20491
COSPAR ID 1990-013D
Observing

Current orbital elements

Inclination 99.038°
Eccentricity 0.04671
RA ascending node 20.459 hr
Argument perigee 248.062°
Mean anomaly 107.023°
Orbital period 110.452 min
Epoch of osculation 07 Dec 2025, 03:46

See historical orbital elements »

Derived Quantities

Min Altitude 898.5 km
Mean Altitude 1254.6 km
Peak Altitude 1610.8 km

Orbital History

Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.

Launched alongside

MOMO-1B ORIZURU JAS-1B

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South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PST

Color scheme


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Last updated: 07 Dec 2025, 19:16 UTC
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