Space Brief 5 Sep 2025
Today's Space Brief delves into key military developments in space, including the Space Force's pioneering officer training and innovative small satellite communication strategies.
FLOCK 3P-75 (41979)
COSPAR: 2017-008AH | Alt Name: Flock 3p-75
DECAYED
Image
Additional Sources
Launch Details
Launch Date
February 15, 2017
Launch Site
SRILR
Launch Pad
FLP
Launch Vehicle
PSLV-XL
Orbital Elements
NORAD ID
41979
International Designator
2017-008AH
Decay Date
1/7/2023
Basic Satellite Info
Name
FLOCK 3P-75
Alternative Name
Flock 3p-75
Type
Payload
Status
Decayed
Owner
PLAN
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
FLOCK 3P-75 is a CubeSat (3U) satellite manufactured by PLAN and owned by the same entity, designed for technology demonstration purposes. Launched on February 15, 2017, from the SRILR launch site using a PSLV-XL vehicle, it carries an imaging payload designated as Dove 0F12. The satellite measures 0.3 meters in length and has a span of 0.3 meters with a diameter of 0.1 meter, weighing approximately 4.7 kilograms at launch and dry mass. It is equipped with solar cells and batteries for power supply. Its expected operational lifetime ranges from about one year when placed in an ISS orbit to two to three years in Sun-Synchronous Orbit (SSO).
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
0.0574
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Dove 0F12
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
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
Space Brief 10 Nov 2025
Today's brief covers China's record-breaking launch year, SpaceX's continued Starlink deployments, Blue Origin's launch challenges, and innovations in satellite maneuverability.
Space Brief 4 Nov 2025
Today's brief covers China's new GEO Yaogan satellite launch, India's record-mass commsat, military tech updates, autonomous systems for maritime security, and insights from satellite imagery of Hurricane Melissa's impact in Jamaica.
Second Starlink Debris Anomaly in 3 Months | KeepTrack X Report
A second Starlink satellite malfunction in just over three months has generated on-orbit debris, raising fresh questions about SpaceX's 10,151-strong working constellation.
Artemis 2 Delayed by Upper Stage Issue, Falcon 9 Hits 33rd Flight | KeepTrack Space Brief
NASA delays Artemis 2 for SLS upper stage fix and pad rollback. SpaceX Falcon 9 booster shatters reuse record with 33rd flight. Tory Bruno joins Blue Origin for defense work.
Iran Strikes UAE and Saudi Targets, Space Force Opens Tracking to Commercial Firms | KeepTrack Space Brief
Iran launches drones and missiles at UAE and Saudi targets. Space Force opens secretive tracking data to commercial firms. Falcon 9 breakup linked to lithium pollution in upper atmosphere.
Space Brief 23 Oct 2025
Today's updates cover Vantor's satellites overcoming tracking challenges, a startup's ambitious missile defense test, and more pivotal space events.
Space Brief 27 Nov 2024
Space highlights include a debut launch of ZhuQue-2E, Firefly's lunar lander timeline, semiconductor funding for satellites, and ISS debris avoidance.