X Report 16 Sep 2025
SpaceX continues to make headlines with successful launches and advancements in satellite technology. Notably, a Falcon 9 rocket delivered an upgraded Cygnus spacecraft to the ISS amid a busy launch schedule this week.
FLOCK 4S-2 (47498)
COSPAR: 2021-006CP | Alt Name: Flock 4s-2
DECAYED
Image
Additional Sources
Launch Details
Launch Date
January 24, 2021
Launch Site
Launch Pad
LC40
Launch Vehicle
Orbital Elements
NORAD ID
47498
International Designator
2021-006CP
Decay Date
11/6/2023
Basic Satellite Info
Name
FLOCK 4S-2
Alternative Name
Flock 4s-2
Type
Payload
Status
Decayed
Owner
PLAN
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
FLOCK 4S-2 is a CubeSat (3U) technology satellite owned and manufactured by PLAN. Launched on January 24, 2021, from the Air Force Eastern Test Range at Launch Complex 40 using a Falcon 9 launch vehicle, this satellite has dimensions of 0.3 meters in length and diameter, with a span also measuring 0.3 meters. It carries an imaging payload designated as PS0, PS1 or PS2 and weighs 5.7 kilograms both at launch and dry mass. The satellite is powered by solar cells and batteries and its mission is expected to last approximately one year if in the International Space Station (ISS) orbit, or two to three years if placed 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 2428
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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