Space Brief 27 Apr 2025
Today's highlights include SpaceX's dual Starlink launches, NASA's progress on the Dragonfly mission to Titan, and delays in Starlink's Indian market entry.
Launch Date
June 23, 1990
Launch Site
Launch Pad
LC40
Launch Vehicle
Commercial Titan 3
NORAD ID
20667
International Designator
1990-056A
Epoch
Fri, 03 Jul 2026 18:12:02 GMT
Apogee
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Perigee
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Inclination
14.63°
Right Ascension
9.84°
Eccentricity
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Argument of Perigee
316.93°
Period
1462.88 min
Mean Motion
0.98 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
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Name
INTELSAT 604 (IS-604)
Alternative Name
INTELSAT 604
Type
Status
Owner
INTEL
Country
INTELSAT
Constellation
N/A
Related Satellites
Major Events
N/A
1 20667U 90056A 26184.75835690 -.00000200 00000-0 00000-0 0 9998
2 20667 14.6298 9.8389 0005134 316.9266 45.6433 0.98436056 46642
Source: Celestrak
Length
11.8
Diameter
3.6
Span
11.8
Dry Mass
1906
Launch Mass
4286
Shape
Cyl
Radar Cross Section
9.9624
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
INTELSAT VI F-4
Purpose
Communication
Mission
Communication
Manufacturer
HSES
Life Expectancy
13 years
Bus
HS-389
Configuration
HS-389
Motor
R-4D-12
Equipment
38 C-band transponders, 10 Ku-band transponders
Power System
Solar cells (body mounted and drop-skirt), batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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