Space Brief 17 Oct 2024
An exciting day in space with potential maneuver revelations from the X-37B, SpaceX's resumption of Falcon 9 launches, and significant advancements in lunar exploration tied to new U.S. spacesuits.
OPS 9431 (DSCS 2-1) (05587)
COSPAR: 1971-095A | Alt Name: DSCS II F-1
Image
Additional Sources
Launch Details
Launch Date
November 3, 1971
Launch Site
Launch Pad
LC40
Launch Vehicle
Titan IIIC
Orbital Elements
NORAD ID
05587
International Designator
1971-095A
Epoch
Sat, 04 Jul 2026 04:51:32 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
1.55°
Right Ascension
253.09°
Eccentricity
Calculating...
Argument of Perigee
0.50°
Period
1436.20 min
Mean Motion
1.00 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
OPS 9431 (DSCS 2-1)
Alternative Name
DSCS II F-1
Type
Payload
Status
Non-operational
Owner
SAMSO/DCA
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 05587U 71095A 26185.20246464 -.00000107 00000-0 00000-0 0 9996
2 05587 1.5474 253.0947 0004577 0.5030 1.7192 1.00264765122195
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
3.6
Diameter
2.7
Span
3.6
Dry Mass
500
Launch Mass
526
Shape
Cyl
Radar Cross Section
2.6104
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
DSCS II A-1
Purpose
Communication
Mission
Communication
Manufacturer
TRW
Life Expectancy
5 years
Bus
DSCS II
Configuration
Spin-stabilization, despun antennas
Motor
?
Equipment
2 X-Band transponders
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.
Sandhoo Takes Dual SDA Director, Missile Warning Role | KeepTrack Space Brief
Brig. Gen. Gursharan Sandhoo double-hatted as SDA director and Space Force missile warning PAE head as Pentagon consolidates LEO satellite programs under new acquisition structure.
Senate Passes $839B Defense Bill, L3Harris Doubles Down on Space Business | KeepTrack Space Brief
Senate clears $839B defense spending bill ensuring Pentagon space domain funding. L3Harris reaffirms space sector commitment amid Golden Dome expansion. York Space raises $629M in public offering.
X Report 11 Feb 2025
SpaceX successfully launches 23 Starlink satellites, NASA selects SpaceX for astrophysics mission, and Starship Flight 8 advances with Booster 15 static fire.
X Report 9 Mar 2025
SpaceX reveals plans for Florida Starship launches, NASA teams up for dual missions, and FCC boosts satellite connectivity.
Space Brief 7 Dec 2025
Today's highlights include a record-breaking event at the International Space Station, significant funding for hypersonic missile production, and several key military developments impacting space strategy.
Space Brief 3 Oct 2025
Today's Space Brief delves into military satellite advancements and significant contract awards for space platforms, alongside pivotal European missile warning systems.
US Agency Will Not Reinstate $900 Mln Subsidy for SpaceX Starlink Unit
The U.S. Federal Communications Commission reaffirms its decision to deny SpaceX's Starlink unit $885.5 million in rural broadband subsidies, impacting the company's plans for expanding internet access.