X Report 21 Apr 2025
SpaceX launches its 32nd cargo mission to the ISS, and NRO marks a milestone with over 200 satellites deployed.
FLOCK 2K-4 (42851)
COSPAR: 2017-042AC | Alt Name: Flock 2k-4
DECAYED
Image
Additional Sources
Launch Details
Launch Date
July 14, 2017
Launch Site
Launch Pad
LC31
Launch Vehicle
Soyuz-2-1A
Orbital Elements
NORAD ID
42851
International Designator
2017-042AC
Decay Date
5/17/2022
Basic Satellite Info
Name
FLOCK 2K-4
Alternative Name
Flock 2k-4
Type
Payload
Status
Decayed
Owner
PLAN
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
FLOCK 2K-4 is a CubeSat (3U) technology satellite manufactured by PLAN and owned by the same entity. It was launched on July 14, 2017, from TYSMC LC31 using a Soyuz-2-1A launch vehicle. The satellite has dimensions of 0.3 meters in length, 0.1 meters in diameter, and 0.3 meters in span with a dry mass of 4.7 kg and was launched at the same mass. It is equipped with PS0, PS1 or PS2 imaging payload, Dove 0F24, solar cells for power, and batteries. The mission's purpose is technology demonstration, with an expected lifetime of about one year in ISS orbit and two to three years in Sun-Synchronous Orbit (SSO). The satellite has a box shape with two pan designs.
Physical Characteristics
Length
0.3
Diameter
0.1
Span
0.3
Dry Mass
4.7
Launch Mass
4.7
Shape
Box+2 pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Dove 0F24
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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