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MOMO-1 (MOS-1) (17527)
COSPAR: 1987-018A | Alt Name: Momo
Image
Additional Sources
Launch Details
Launch Date
February 19, 1987
Launch Site
TANSC
Launch Pad
N
Launch Vehicle
N-2
Orbital Elements
NORAD ID
17527
International Designator
1987-018A
Epoch
Sat, 04 Jul 2026 01:45:37 GMT
Apogee
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Perigee
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Inclination
98.84°
Right Ascension
234.04°
Eccentricity
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Argument of Perigee
139.89°
Period
102.62 min
Mean Motion
14.03 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
MOMO-1 (MOS-1)
Alternative Name
Momo
Type
Payload
Status
Non-operational
Owner
NASDA
Country
Japan
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 17527U 87018A 26185.07334985 .00000413 00000-0 29225-3 0 9998
2 17527 98.8399 234.0416 0009266 139.8894 249.8951 14.03213182 12427
Source: Celestrak
Summary
MOMO-1 (MOS-1) is an Earth Observation satellite launched by NASDA on February 19, 1987, from Tanegashima Space Center using the N-2 launch vehicle. The spacecraft measures 2.4 meters in length and 1.3 meters in diameter with a span of 6.3 meters, featuring a box plus pan shape design. It has a dry mass of 740 kg and was equipped with deployable solar arrays and batteries for power supply. Equipped with MESSR, VTIR, and MSR equipment, MOMO-1 aims to conduct Earth observation missions. The satellite was manufactured by NEC and its primary mission focused on observing the Earth using its onboard instruments.
Physical Characteristics
Length
2.4
Diameter
1.3
Span
6.3
Dry Mass
740
Launch Mass
740
Shape
Box + Pan
Radar Cross Section
3.1767
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
MOS-1
Purpose
Earth Observation
Mission
Earth Observation
Manufacturer
NEC
Life Expectancy
Unknown
Bus
MOS
Configuration
Unknown
Motor
Unknown
Equipment
MESSR, VTIR, MSR
Power System
Deployable solar array, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
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