Space Brief 1 Jul 2025
Key developments in the space sector include new partnerships for satellite surveillance, strategic shifts from the Defense Department impacting weather forecasting, and the Space Force's focus on agile satellite technologies.
Launch Date
March 14, 1990
Launch Site
Launch Pad
LC40
Launch Vehicle
Commercial Titan 3
NORAD ID
20523
International Designator
1990-021A
Epoch
Sat, 04 Jul 2026 02:56:26 GMT
Apogee
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Perigee
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Inclination
14.03°
Right Ascension
9.20°
Eccentricity
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Argument of Perigee
65.56°
Period
1447.53 min
Mean Motion
0.99 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Name
INTELSAT 603 (IS-603)
Alternative Name
INTELSAT 603
Type
Status
Owner
INTEL
Country
INTELSAT
Constellation
N/A
Related Satellites
Major Events
N/A
1 20523U 90021A 26185.12253176 .00000078 00000-0 00000-0 0 9998
2 20523 14.0258 9.2030 0005197 65.5571 107.9309 0.99479720125575
Source: Celestrak
Length
11.8
Diameter
3.6
Span
11.8
Dry Mass
1906
Launch Mass
4286
Shape
Cyl
Radar Cross Section
6.5352
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
INTELSAT VI F-3
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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