The Day a Farm Boy Found a New World
Ninety-five years ago, a 24-year-old astronomer with no college degree made one of astronomy's most remarkable discoveries, finding a new planet that would challenge our understanding of the solar system
Launch Date
June 4, 1981
Launch Site
PLMSC
Launch Pad
LC132/2
Launch Vehicle
Kosmos 11K65M
NORAD ID
42180
International Designator
1981-053SU
Epoch
Thu, 02 Jul 2026 13:48:32 GMT
Apogee
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Perigee
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Inclination
82.85°
Right Ascension
299.97°
Eccentricity
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Argument of Perigee
349.82°
Period
95.84 min
Mean Motion
15.02 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Name
COSMOS 1275 DEB
Alternative Name
deb Kosmos-1275
Type
Status
Owner
GUKOS
Country
Russia
Constellation
N/A
Related Satellites
Major Events
N/A
1 42180U 81053SU 26183.57538007 .00068879 00000-0 51488-2 0 9993
2 42180 82.8510 299.9676 0004156 349.8154 24.0495 15.02451137631057
Source: Celestrak
Length
0
Diameter
0
Span
0
Dry Mass
0
Launch Mass
0
Shape
N/A
Radar Cross Section
0.0127
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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Ninety-five years ago, a 24-year-old astronomer with no college degree made one of astronomy's most remarkable discoveries, finding a new planet that would challenge our understanding of the solar system
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