Space Domain Awareness (SDA)
The evolution from simply tracking objects in orbit to understanding the full strategic picture of who is doing what in space, and why
COSMOS 539 (06319)
COSPAR: 1972-102A | Alt Name: Kosmos-539
Image
Additional Sources
Launch Details
Launch Date
December 21, 1972
Launch Site
PLMSC
Launch Pad
LC132/2
Launch Vehicle
Kosmos 11K65M
Orbital Elements
NORAD ID
06319
International Designator
1972-102A
Epoch
Sun, 19 Jul 2026 12:29:08 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
74.01°
Right Ascension
223.97°
Eccentricity
Calculating...
Argument of Perigee
46.49°
Period
112.90 min
Mean Motion
12.75 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Explore in the Catalog
Basic Satellite Info
Name
COSMOS 539
Alternative Name
Kosmos-539
Type
Payload
Status
Unknown
Owner
OKB10
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 06319U 72102A 26200.52023295 -.00000028 00000+0 -50279-4 0 9997
2 06319 74.0139 223.9712 0023410 46.4947 120.0701 12.75429273494296
Source: Celestrak
Summary
Apologies, there is no summary for this satellite yet. I am working to generate these for every object in the catalog, but it is going to take time.
Physical Characteristics
Length
3
Diameter
2
Span
17
Dry Mass
800
Launch Mass
800
Shape
Cyl + Ant
Radar Cross Section
2.2929
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Sfera No. 19L
Purpose
Geodesy
Mission
Geodesy
Manufacturer
OKB10
Life Expectancy
Unknown
Bus
KAUR-1 11F621
Configuration
KAUR-1
Motor
Unknown
Equipment
Unknown
Power System
Solar cells, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
X Report 4 Dec 2025
SpaceX successfully launched another batch of Starlink satellites and received approval for a new Starship launch site, while facing challenges with crew assignments on upcoming missions.
Space Brief 8 May 2025
Today we cover new appointments at NASA, calls for increased Space Force funding, and a successful test of a hypersonic vehicle. Further investigations target SpaceX, and a documentary highlights space superiority.
X Report 13 Dec 2024
SpaceX ramps up Starship preparations in Florida while California prepares for another Starlink launch.
Space Brief 27 Dec 2025
Today's Space Brief covers a notable satellite deployment in LEO, a leadership shift in Blue Origin's defense wing, and ongoing recovery efforts for NASA's MAVEN orbiter.
Space Brief 9 Jul 2025
Today's brief covers the U.S. Space Force's new international strategy, Northrop Grumman's Golden Dome project, and ULA's Vulcan launches, alongside military budget priorities.
Falling Space Debris Risk to Aircraft Grows, North Korea Tests Hypersonic Missiles | KeepTrack Space Brief
Experts warn falling space debris risk to aircraft is increasing. North Korea tests advanced hypersonic missiles. Space Force seeks launch providers for Cape Canaveral and Vandenberg pads.
SpaceX to Launch GPS Satellite After Mission Reassigned From ULA | KeepTrack X Report
SpaceX set to launch GPS 3-9 for Space Force after strategic switch from ULA's Vulcan to Falcon 9. 25 Starlink satellites deployed to polar orbit. Musk explains SpaceX exponential growth trajectory.