The Day Humanity Gained New Eyes on the Universe
Forty-seven years ago, a revolutionary space telescope changed our view of the cosmos, pioneering international cooperation in space-based astronomy
NORAD ID
65990
International Designator
2025-230S
Epoch
Sun, 19 Jul 2026 15:34:18 GMT
Apogee
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Perigee
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Inclination
81.30°
Right Ascension
181.46°
Eccentricity
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Argument of Perigee
104.40°
Period
103.95 min
Mean Motion
13.85 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Name
SDA_1680
Alternative Name
N/A
Type
Status
Owner
SDA
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
1 65990U 25230S 26200.64882419 .00000126 00000+0 10064-3 0 9995
2 65990 81.3002 181.4632 0005239 104.3970 255.7769 13.85235104 38311
Source: Celestrak
Apologies, there is no summary for this satellite yet. I am working to generate these for every object in the catalog, but it is going to take time.
Length
0.6
Diameter
0.4
Span
3.6
Dry Mass
400
Launch Mass
400
Shape
Box + panels
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
SDA T1TL-C-17
Purpose
Unknown
Mission
Unknown
Manufacturer
LMSSD/TERRAN
Life Expectancy
Unknown
Bus
LM-T1TL
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
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Forty-seven years ago, a revolutionary space telescope changed our view of the cosmos, pioneering international cooperation in space-based astronomy
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