Space Brief 9 Mar 2025
Today's highlights include delayed satellite launches, SpaceX's Florida Starship expansion, a historic mission by Europe's Ariane 6, and NASA's twin missions to explore the ends of the Earth and the universe.
COSMOS 620 (06988)
COSPAR: 1973-104D | Alt Name: Kosmos-620
Image
Additional Sources
Launch Details
Launch Date
December 19, 1973
Launch Site
PLMSC
Launch Pad
LC132/2
Launch Vehicle
Kosmos 11K65M
Orbital Elements
NORAD ID
06988
International Designator
1973-104D
Epoch
Sun, 19 Jul 2026 17:07:05 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
74.03°
Right Ascension
53.96°
Eccentricity
Calculating...
Argument of Perigee
242.21°
Period
115.45 min
Mean Motion
12.47 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Explore in the Catalog
Basic Satellite Info
Name
COSMOS 620
Alternative Name
Kosmos-620
Type
Payload
Status
Unknown
Owner
GUKOSR
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 06988U 73104D 26200.71325513 -.00000026 00000+0 -69678-4 0 9992
2 06988 74.0285 53.9631 0022422 242.2115 182.0113 12.47311796394211
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
0.8
Diameter
0.8
Span
0.8
Dry Mass
60
Launch Mass
60
Shape
Poly
Radar Cross Section
0.684
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Strela-1M Blok 08 No. 4
Purpose
Military Communication
Mission
Military Communication
Manufacturer
OKB10
Life Expectancy
6 months
Bus
Strela-1 11F625
Configuration
Unknown
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 16 Dec 2024
SpaceX announces SPHEREx launch date for February 2025, and Airbus completes delivery of Thuraya 4 satellite for upcoming launch.
Crew-11 Returns to Earth After Historic ISS Medical Evacuation | KeepTrack X Report
SpaceX Crew-11 mission returns safely to Earth after first-ever medical evacuation from ISS. Crew Dragon splashes down in Pacific Ocean off California coast. Mission ended early due to health concern.
Falcon 9 Booster Sets 33-Flight Reuse Record, X Report 23 Feb 2026
Falcon 9 booster reuse record: SpaceX's most-flown booster flew a 33rd flight Feb 21 with 28 Starlink V2 Minis. Two launches in a day; 9,779 on orbit.
GOES-G | The Day a Weather Satellite Exploded Over the Atlantic
Forty years ago today, a Delta 3914 lifted off Cape Canaveral with a weather satellite the country could not afford to lose. Seventy-one seconds later, its main engine cut off. Ninety-one seconds in, the range safety officer pressed his button. The third domino of a brutal 1986 had fallen.
Starship Flight 13 Targets July 16 Launch | KeepTrack X Report
SpaceX targets July 16 for Starship Flight 13 from Starbase, aiming to fix Flight 12 issues and deploy working Starlink satellites.
X Report 21 Jul 2025
SpaceX successfully launched 24 Starlink satellites into polar orbit, enhancing global coverage. Meanwhile, NASA's Crew-11 is now in quarantine ahead of their upcoming ISS mission.
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.