Starlink 17-40 Adds 24 Sats from Vandenberg | KeepTrack X Report
SpaceX's Starlink 17-40 mission launches 24 satellites from Vandenberg SFB at 7:36 a.m. PDT, expanding the 10,705-satellite constellation.
TANSEI-4 (MS-T4) (11706)
COSPAR: 1980-015A | Alt Name: Tansei-4
DECAYED
Image
Additional Sources
Launch Details
Launch Date
February 17, 1980
Launch Site
KSCUT
Launch Pad
M
Launch Vehicle
Mu-3S
Orbital Elements
NORAD ID
11706
International Designator
1980-015A
Decay Date
5/12/1983
Basic Satellite Info
Name
TANSEI-4 (MS-T4)
Alternative Name
Tansei-4
Type
Payload
Status
Decayed
Owner
ISAS
Country
Japan
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
TANSEI-4 (MS-T4), also known as Tansei-4, is a satellite launched by ISAS on February 17, 1980, from the KSCUT launch site using the Mu-3S launch vehicle. The spacecraft has dimensions of 1 meter in length and 0.8 meters in diameter with a span of 1.8 meters. It weighs 185 kilograms both at launch and as dry mass. TANSEI-4's shape is described as an octagonal cylinder with four panels, and its radar cross-section (RCS) is measured at 3.48 square meters. The satellite carries a payload designated MS-T4 but lacks specific details regarding equipment, mission purpose, or power systems.
Physical Characteristics
Length
1
Diameter
0.8
Span
1.8
Dry Mass
185
Launch Mass
185
Shape
Oct Cyl + 4 Pan
Radar Cross Section
3.48
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
MS-T4
Purpose
Unknown
Mission
Unknown
Manufacturer
ISAS
Life Expectancy
Unknown
Bus
MS-T
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
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