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USA 149 (DSP 20) (26356)
COSPAR: 2000-024A | Alt Name: DSP F20
Image
Additional Sources
Launch Details
Launch Date
May 8, 2000
Launch Site
Launch Pad
LC40
Launch Vehicle
Titan 402B/IUS
Orbital Elements
NORAD ID
26356
International Designator
2000-024A
Epoch
Sat, 04 Jul 2026 04:32:58 GMT
Apogee
Calculating...
Perigee
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Inclination
13.18°
Right Ascension
11.73°
Eccentricity
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Argument of Perigee
309.38°
Period
1435.94 min
Mean Motion
1.00 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
USA 149 (DSP 20)
Alternative Name
DSP F20
Type
Payload
Status
Operational
Owner
AFSMC
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 26356U 00024A 26185.18956343 .00000103 00000-0 00000-0 0 9993
2 26356 13.1824 11.7258 0001314 309.3793 224.3598 1.00282702 33089
Source: Celestrak
Summary
USA 149 (DSP 20) is a satellite designated by NORAD_CAT_ID 26356 and OBJECT_ID 2000-024A, known alternatively as DSP F20. It was launched on May 8, 2000, from Cape Canaveral Air Force Station's Launch Complex 40 (LC40) using the Titan 402B/IUS launch vehicle for the U.S. Air Force Space and Missile Systems Center (AFSMC). The spacecraft, manufactured by TRW, is configured as a BUS DSP B18 with dimensions of 10 meters in length, 3.3 meters in diameter, and 11.5 meters in span. It has a dry mass of 2,200 kg and weighed 2,360 kg at launch. The satellite's mission is Early Warning, equipped with four deployable fixed solar arrays for power generation along with solar cells and batteries. Its shape consists of a cylinder plus two panels (Cyl + 2 Pan), making it part of the Defense Support Program (DSP) series designed to detect strategic missile launches.
Physical Characteristics
Length
10
Diameter
3.3
Span
11.5
Dry Mass
2200
Launch Mass
2360
Shape
Cyl + 2 Pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
DSP 18
Purpose
Early Warning
Mission
Early Warning
Manufacturer
TRW
Life Expectancy
Unknown
Bus
DSP B18
Configuration
Unknown
Motor
MRE-4
Equipment
?
Power System
4 deployable fixed solar arrays, 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
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