The Day America Pioneered Polar Orbits
Sixty-six years ago, a Thor-Agena rocket thundered into the California sky carrying Discoverer 1, the first satellite attempt at polar orbit and the secret vanguard of Americas space reconnaissance program
Launch Date
November 19, 2025
Launch Site
Launch Pad
LC40
Launch Vehicle
NORAD ID
66517
International Designator
2025-265B
Epoch
Sun, 19 Jul 2026 11:25:36 GMT
Apogee
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Perigee
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Inclination
43.00°
Right Ascension
254.10°
Eccentricity
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Argument of Perigee
271.03°
Period
94.27 min
Mean Motion
15.28 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Name
STARLINK-35937
Alternative Name
N/A
Type
Status
Owner
SPXS
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
1 66517U 25265B 26200.47611816 .00005355 00000+0 20396-3 0 9999
2 66517 43.0012 254.0997 0001759 271.0338 89.0312 15.27582272 37261
Source: Celestrak
Length
0.3
Diameter
4.1
Span
29.0
Dry Mass
530
Launch Mass
575
Shape
Box + pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Starlink Group 6-94-02
Purpose
Unknown
Mission
Unknown
Manufacturer
SPXS
Life Expectancy
Unknown
Bus
Starlink V2MO
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
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Sixty-six years ago, a Thor-Agena rocket thundered into the California sky carrying Discoverer 1, the first satellite attempt at polar orbit and the secret vanguard of Americas space reconnaissance program
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