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About IRS-1B
Group: 3 satellites
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Two-Line Element Set
1 21688U 91061A 26104.98256934 -.00000254 00000-0 -14556-3 0 9998
2 21688 99.4136 111.3501 0024498 173.3632 215.9858 13.97865719659669
Epoch: Apr 14, 2026 •
Age: 10 hours
Current Status
Altitude 918.3 km
Velocity 7.39 km/s
Sub-Earth Point 51.02°N,
106.49°E
Launch Date Aug 29, 1991
Age 34.6 years
Type other
Technical Details
Classification Payload
Mass 990.00 kg
Dry Mass 960.00 kg
Total Mass 990.00 kg
Length 1.60 m
Diameter 1.10 m
Span 12.00 m
Shape Box + 2 Pan
Manufacturer ISRO
Bus Type IRS
Phase Status In Orbit
Owner/State ISRO/IN
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