Space Brief 28 Mar 2025
Today's updates focus on significant developments in U.S. national security space launches, Army space training, potential shifts in satellite procurement strategies, and the Meteor 2-21 satellite.
Launch Date
February 23, 1999
Launch Site
AFWTR
Launch Pad
SLC2W
Launch Vehicle
Delta 7920-10
NORAD ID
25634
International Designator
1999-008A
Epoch
Sat, 04 Jul 2026 04:18:57 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
98.51°
Right Ascension
150.62°
Eccentricity
Calculating...
Argument of Perigee
358.23°
Period
101.41 min
Mean Motion
14.20 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Name
ARGOS
Alternative Name
ARGOS
Type
Status
Owner
SMCTV
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
1 25634U 99008A 26185.17983060 .00000062 00000-0 48660-4 0 9998
2 25634 98.5135 150.6193 0010080 358.2267 1.8873 14.19991926416717
Source: Celestrak
Length
4
Diameter
2
Span
16
Dry Mass
2490
Launch Mass
2490
Shape
Box + 2 Pan
Radar Cross Section
6.3919
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
STP P91-1
Purpose
Experimental
Mission
Experimental
Manufacturer
BOSB
Life Expectancy
3 years
Bus
P91-1
Configuration
?
Motor
arcjet thruster
Equipment
HTSSE, EUVIP, USA, ESEX, SPADUS, CIV, HIRAAS, GIMI, CERTO
Power System
2 deployable solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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