OrbitNight

NORAD 20478

MOS 1B (MOMO 1B)

📡 Radar viewIn orbit
Tap to zoom and pan
Computing position…
Blue circle: where it is above the horizon now

Time

Local time
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Position

Latitude
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Longitude
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Altitude
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Speed

Miles per hour
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Kilometers per second
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Miles per second
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From your location

Azimuth
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Elevation
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Right ascension
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Declination
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Local sidereal time
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Sunlight

Day / night
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Its orbit in 3D

Goes round Earth once every 103 minutes, on an orbit tilted 99.2° from the equator, between 895 and 906 km up. Earth is drawn to scale.

Drag to turn · pinch to zoom · it moves live

About MOS 1B (MOMO 1B)

MOS 1B (MOMO 1B) is a satellite from Japan, launched on Feb 7, 1990 from Tanegashima Space Center.

It circles Earth every 103 minutes (14.0 times a day), between 903 and 912 km up, on an orbit tilted 99.2° to the equator, so its path covers latitudes up to 81° north and south.

The map shows where it is right now; the pass list tells you when it next comes over your location.

MOS-1b · 20478

Names and facts: Wikidata (CC0).

Orbit height over the past year

Over the last 17 days its lowest point went from 904 km to 903 km. Sudden rises are engine burns that lift the orbit; slow declines are drag from the thin upper atmosphere.

Lowest point (perigee)Highest point (apogee)
904906908910912

From Space-Track element sets, one point a day.