About IXPE
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 49954U 21121A 25280.91668980 .00014423 00000-0 87886-3 0 9996
2 49954 0.2307 60.5151 0007860 228.5751 201.9228 15.06860200 5371
Epoch: Oct 7, 2025 •
Age: 5 hours
Current Status
Altitude 542.1 km
Velocity 7.59 km/s
Sub-Earth Point 0.12°N,
142.82°E
Launch Date Dec 9, 2021
Age 3.8 years
Type other
Technical Details
Classification Payload
Mass 330.00 kg
Dry Mass 330.00 kg
Total Mass 330.00 kg
Length 2.00 m
Diameter 1.10 m
Span 5.20 m
Shape Box+boom
Manufacturer BALL
Bus Type BCP
Phase Status In Orbit
Owner/State MSFC/US
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