Space Brief 9 Aug 2025
Today's briefing covers SpaceX's latest Starlink launch, Rocket Lab's upcoming Neutron rocket launch, NASA's lunar nuclear reactor project, and more.
COSMOS 1807 (17217)
COSPAR: 1986-099A | Alt Name: Kosmos-1807
DECAYED
Image
Additional Sources
Launch Details
Launch Date
December 16, 1986
Launch Site
PLMSC
Launch Pad
LC41/1
Launch Vehicle
Soyuz-U
Orbital Elements
NORAD ID
17217
International Designator
1986-099A
Decay Date
1/23/1987
Basic Satellite Info
Name
COSMOS 1807
Alternative Name
Kosmos-1807
Type
Payload
Status
Decayed
Owner
UNKS
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
COSMOS 1807 (also known as Kosmos-1807) is a reconnaissance satellite launched on December 16, 1986, from Plesetsk Launch Site using the Soyuz-U launch vehicle. The spacecraft, manufactured by TSSKB, has dimensions of 6.3 meters in length and 2.7 meters in diameter with a span of 6.3 meters. It weighs 2886 kg at launch and during dry mass. COSMOS 1807 is equipped with deployable solar arrays and batteries for power supply and carries the Kobal't No. 509 payload, designed for photo reconnaissance with film return capability. The satellite's shape consists of a cylindrical body with two panoramic sections. It operates under the ownership of UNKS (Unknown Ownership) for reconnaissance purposes.
Physical Characteristics
Length
6.3
Diameter
2.7
Span
6.3
Dry Mass
2886
Launch Mass
2886
Shape
Cyl + 2 Pan
Radar Cross Section
49.561
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Kobal't No. 509
Purpose
Reconnaissance, photo (film return type)
Mission
Reconnaissance, photo (film return type)
Manufacturer
TSSKB
Life Expectancy
Unknown
Bus
Yantar'-4K2
Configuration
Yantar Bus, main reentry module, 2 small reentry capsules
Motor
Unknown
Equipment
Unknown
Power System
2 deployable solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
Space Brief 19 Jul 2025
Today's highlights include a record-breaking high-altitude image of the sun, SpaceX's latest Starlink satellite launch, and various military developments. Stay informed with detailed updates on launches, reentries, and the latest advancements in drone technology.
Space Force Races to Rebuild Workforce After Civilian Cuts | KeepTrack Space Brief
Space Force urgently rebuilds contracting workforce after civilian reductions. Pentagon defense strategy shifts focus to homeland defense. Tom Ainsworth named top Air Force space acquisition officer.
X Report 21 Feb 2025
SpaceX's Falcon 9 achieves another milestone with successful international launch; Elon Musk discusses the future of the ISS; SpaceX prepares for its 450th Falcon launch.
The Day a Farm Boy Found a New World
Ninety-five years ago, a 24-year-old astronomer with no college degree made one of astronomy's most remarkable discoveries, finding a new planet that would challenge our understanding of the solar system
X Report 18 Jan 2025
SpaceX faces setbacks with Starship Flight 7 as FAA launches an investigation, while future transportation policies might impact SpaceX operations. Meanwhile, the Starlink constellation continues strong.
X Report 16 Nov 2024
SpaceX preps for Starship Flight 6 while Shotwell predicts Starship's future impact. Impulse Space secures Falcon 9 launches, and potential shifts in US space policy loom.
Space Force Awards $1.8B Andromeda Program to 14 Firms | KeepTrack Space Brief
Space Force selects 14 companies for $1.8 billion Andromeda program to replace GSSAP geosynchronous surveillance satellites with commercial alternatives through 2036.