Geostationary
IRNSS-1I
Navigation (NavIC/IRNSS Replacement) · ISRO
Right now
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A NavIC replacement satellite, launched after three of the original IRNSS atomic clocks failed on orbit — a crisis that threatened the accuracy of India's navigation system. IRNSS-1I was rapidly designed, built, and launched to restore full constellation capability, demonstrating ISRO's ability to respond quickly to on-orbit anomalies. It carries improved rubidium atomic clocks designed to avoid the fault modes that affected earlier satellites.
Its orbit
- Orbit
- Geostationaryappears to hang motionless over one spot on the equator
- Altitude
- 22,187–22,296 mi (35,707–35,881 km)
- Inclination
- 29.0°
- One orbit
- 23.9 hoursabout one orbit a day
- NORAD ID
- 43286
- Int’l designator
- 2018-035A
- Launched
- 2018
Orbital elements from CelesTrak, as of 16 Sep 2026.
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