About IRS-1D
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 24971U 97057A 25325.55325726 .00000244 00000-0 99485-4 0 9992
2 24971 98.8277 309.9491 0053115 118.6533 242.0007 14.35396442472822
Epoch: Nov 21, 2025 •
Age: 11 hours
Current Status
Altitude 754.2 km
Velocity 7.49 km/s
Sub-Earth Point 7.26°N,
68.61°E
Launch Date Sep 29, 1997
Age 28.1 years
Type other
Technical Details
Classification Payload
Mass 1250.00 kg
Dry Mass 1150.00 kg
Total Mass 1250.00 kg
Length 2.30 m
Diameter 1.60 m
Span 12.00 m
Shape Box + 2 Pan
Manufacturer ISAC/HAL
Bus Type IRS
Phase Status In Orbit
Owner/State ISRO/IN
Large Constellations
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