Launch Date
February 19, 1977
Launch Site
KSCUT
Launch Pad
M
Launch Vehicle
Mu-3H
NORAD ID
09841
International Designator
1977-012A
Epoch
Sun, 19 Jul 2026 12:52:08 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
65.76°
Right Ascension
153.69°
Eccentricity
Calculating...
Argument of Perigee
248.57°
Period
134.09 min
Mean Motion
10.74 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Name
TANSEI-3 (MS-T3)
Alternative Name
Tansei-3
Type
Status
Owner
ISAS
Country
Japan
Constellation
N/A
Related Satellites
Major Events
N/A
1 09841U 77012A 26200.53620493 -.00000036 00000+0 56860-5 0 9990
2 09841 65.7592 153.6915 1733774 248.5665 92.2102 10.73921524937184
Source: Celestrak
Apologies, there is no summary for this satellite yet. I am working to generate these for every object in the catalog, but it is going to take time.
Length
0.8
Diameter
0.9
Span
0.9
Dry Mass
128
Launch Mass
128
Shape
Cyl
Radar Cross Section
1.4266
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
MS-T3
Purpose
Technology
Mission
Technology
Manufacturer
ISAS
Life Expectancy
Unknown
Bus
MS-T
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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