About Kepler-21
Group: 3 satellites
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Live Position
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Upcoming Passes
Altitude History
Altitude vs Time
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Two-Line Element Set
1 56218U 23054AS 25325.73495987 .00043986 00000-0 55083-3 0 9999
2 56218 97.3036 230.5593 0007779 69.8257 290.3836 15.59630047146581
Epoch: Nov 21, 2025 •
Age: 17 hours
Current Status
Altitude 397.1 km
Velocity 7.68 km/s
Sub-Earth Point 74.98°N,
147.28°W
Launch Date Apr 15, 2023
Age 2.6 years
Type other
Technical Details
Classification Payload
Mass 15.00 kg
Dry Mass 15.00 kg
Total Mass 15.00 kg
Length 0.30 m
Diameter 0.20 m
Span 0.70 m
Shape Box + 2 pan
Manufacturer KEPLER/UTIAS
Bus Type Cubesat 6U
Phase Status In Orbit
Owner/State KEPLER/CA
Large Constellations
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