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DFS 1 (20041)
COSPAR: 1989-041B | Alt Name: Kopernikus
Image
Additional Sources
Launch Details
Launch Date
June 5, 1989
Launch Site
FRGUI
Launch Pad
ELA2
Launch Vehicle
Ariane 44L
Orbital Elements
NORAD ID
20041
International Designator
1989-041B
Epoch
Sat, 04 Jul 2026 02:55:11 GMT
Apogee
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Perigee
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Inclination
13.98°
Right Ascension
346.42°
Eccentricity
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Argument of Perigee
309.13°
Period
1430.53 min
Mean Motion
1.01 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
DFS 1
Alternative Name
Kopernikus
Type
Payload
Status
Unknown
Owner
DBP
Country
Germany
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 20041U 89041B 26185.12166508 .00000079 00000-0 00000-0 0 9996
2 20041 13.9816 346.4245 0012751 309.1270 243.0340 1.00661737124669
Source: Celestrak
Summary
DFS 1 (also known as Kopernikus) is a communication satellite operated by DBP, using the GESAT-Bus configuration based on Spacebus 100. It was launched on June 5, 1989, from ELA2 in French Guiana via an Ariane 44L launch vehicle and stabilized by June 6 of the same year. The satellite has dimensions of 3.4 meters in length, 1.7 meters in diameter, and a span of 15.4 meters. With a dry mass of 645 kg and a launch mass of 1415 kg, it was designed with two deployable solar arrays and batteries for power generation. The payload includes 10 (+5) Ku-band transponders and one Ka-band transponder, manufactured by MBB with an expected operational lifetime of 10 years.
Physical Characteristics
Length
3.4
Diameter
1.7
Span
15.4
Dry Mass
645
Launch Mass
1415
Shape
Box + 2 Pan
Radar Cross Section
2.5119
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
DFS 1
Purpose
Communication
Mission
Communication
Manufacturer
MBB
Life Expectancy
10 years
Bus
Spacebus 100
Configuration
GESAT-Bus
Motor
S400
Equipment
10 (+5) Ku-band transponders, 1 Ka-band transponder
Power System
2 deployable solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
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