Space Brief 10 Jun 2025
Today's brief covers increased Space Force funding, a renewed focus on nuclear power in space, a proposed US missile defense system, new defense budget revelations, and NATO's call for increased air defenses.
USA 142 (DSP 19) (25669)
COSPAR: 1999-017A | Alt Name: DSP F19
Image
Additional Sources
Launch Details
Launch Date
April 9, 1999
Launch Site
Launch Pad
LC41
Launch Vehicle
Titan 402B/IUS
Orbital Elements
NORAD ID
25669
International Designator
1999-017A
Epoch
Fri, 03 Jul 2026 14:41:01 GMT
Apogee
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Perigee
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Inclination
29.06°
Right Ascension
59.41°
Eccentricity
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Argument of Perigee
152.16°
Period
617.90 min
Mean Motion
2.33 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
USA 142 (DSP 19)
Alternative Name
DSP F19
Type
Payload
Status
Non-operational
Owner
AFSMC
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 25669U 99017A 26184.61182131 -.00000036 00000-0 -61488-4 0 9990
2 25669 29.0589 59.4102 7099601 152.1559 277.9366 2.33046296 18671
Source: Celestrak
Summary
The USA 142 (DSP 19) satellite, also known as DSP F19, is a US-built Early Warning satellite designed for early detection of missile launches. It was launched on April 9, 1999, from Cape Canaveral Air Force Station's Launch Complex 41 aboard a Titan 402B/IUS launch vehicle. The satellite measures approximately 10 meters in length with a diameter of 3.3 meters and has a span of 11.5 meters. It was manufactured by TRW for the AFSMC (Air Force Space and Missile Systems Center) and carries the DSP 19 payload, featuring deployable fixed solar arrays and batteries for power generation. The satellite weighs around 2360 kg at launch with a dry mass of about 2300 kg. Its shape is described as Box + Cyl + 2 Pan, indicating its design for optimal performance in space surveillance missions.
Physical Characteristics
Length
10
Diameter
3.3
Span
11.5
Dry Mass
2300
Launch Mass
2360
Shape
Box + Cyl + 2 Pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
DSP 19
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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