X Report 11 Aug 2025
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FLOCK 4S-31 (47475)
COSPAR: 2021-006BQ | Alt Name: Flock 4s-31
DECAYED
Image
Additional Sources
Launch Details
Launch Date
January 24, 2021
Launch Site
Launch Pad
LC40
Launch Vehicle
Orbital Elements
NORAD ID
47475
International Designator
2021-006BQ
Decay Date
4/22/2024
Basic Satellite Info
Name
FLOCK 4S-31
Alternative Name
Flock 4s-31
Type
Payload
Status
Decayed
Owner
PLAN
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
FLOCK 4S-31, also known as Flock 4s-31, is a CubeSat (3U) satellite manufactured by PLAN and launched on January 24, 2021, from the AFETR launch site using Falcon 9 as the launch vehicle. With dimensions of 0.3 meters in length and 0.1 meters in diameter, it has a dry mass of 5.7 kg and is equipped with PS0, PS1, or PS2 imaging payload for its technology mission. The satellite features solar cells and batteries for power supply and operates in a box shape with two panels. Its expected lifetime ranges from about one year when operating at the ISS orbit to 2-3 years in Sun-Synchronous Orbit (SSO).
Physical Characteristics
Length
0.3
Diameter
0.1
Span
0.3
Dry Mass
5.7
Launch Mass
5.7
Shape
Box+2 pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Dove 241b
Purpose
Technology
Mission
Technology
Manufacturer
PLAN
Life Expectancy
~ 1 year (ISS orbit); 2-3 years (SSO)
Bus
Cubesat 3U
Configuration
CubeSat (3U)
Motor
None (most); FEEP (#Flock-3p')
Equipment
PS0, PS1 or PS2 imaging payload
Power System
Solar cells, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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