Space Force Awards $437M to Viasat, SES for Military Satcom | KeepTrack Space Brief
Space Force contracts Viasat and SES for $437M Protected Tactical Satcom-Global program. Four new GEO satellites replace vulnerable single-satellite systems.
Launch Date
October 18, 2009
Launch Site
AFWTR
Launch Pad
SLC3E
Launch Vehicle
Atlas V 401
NORAD ID
35951
International Designator
2009-057A
Epoch
Sat, 04 Jul 2026 04:24:21 GMT
Apogee
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Perigee
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Inclination
98.90°
Right Ascension
165.92°
Eccentricity
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Argument of Perigee
197.10°
Period
101.77 min
Mean Motion
14.15 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Name
DMSP 5D-3 F18 (USA 210)
Alternative Name
DMSP F-18
Type
Status
Owner
AFSMC
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
1 35951U 09057A 26185.18357922 .00000292 00000-0 17411-3 0 9993
2 35951 98.9047 165.9163 0010561 197.1021 162.9797 14.14906534861998
Source: Celestrak
Length
4.4
Diameter
1.2
Span
6.6
Dry Mass
1217
Launch Mass
1217
Shape
Box + Pan
Radar Cross Section
3.9811
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
DMSP Block 5D-3 S-18
Purpose
Meteorology
Mission
Meteorology
Manufacturer
LMEW/LMSS
Life Expectancy
5 years (design)
Bus
Block 5D
Configuration
TIROS-N Bus
Motor
Star-37XFP / ISS (#15, 16); ISS (17 - 20)
Equipment
see above
Power System
Deployable solar array, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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