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
February 1, 1987
Launch Site
Launch Pad
LC90
Launch Vehicle
Tsiklon-2
NORAD ID
36939
International Designator
1987-011T
Epoch
Wed, 20 Jul 2022 12:57:30 GMT
Apogee
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Perigee
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Inclination
65.02°
Right Ascension
247.43°
Eccentricity
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Argument of Perigee
250.90°
Period
100.36 min
Mean Motion
14.35 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Name
COSMOS 1818 COOLANT
Alternative Name
Kosmos-1818 coolant
Type
Status
Owner
KVR
Country
Russia
Constellation
N/A
Related Satellites
Major Events
N/A
1 36939U 87011T 22200.53993787 .00000367 00000-0 16443-3 0 9991
2 36939 65.0155 247.4319 0014639 250.8981 109.0520 14.34857207698023
Source: Celestrak
Length
0
Diameter
0
Span
0
Dry Mass
0
Launch Mass
0
Shape
N/A
Radar Cross Section
0.0033
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Unknown
Purpose
Unknown
Mission
Unknown
Manufacturer
Unknown
Life Expectancy
Unknown
Bus
Unknown
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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