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IRNSS-1I (43286)
COSPAR: 2018-035A | Alt Name: IRNSS-R1I
Image
Additional Sources
Launch Details
Launch Date
April 11, 2018
Launch Site
SRILR
Launch Pad
FLP
Launch Vehicle
PSLV-XL
Orbital Elements
NORAD ID
43286
International Designator
2018-035A
Epoch
Fri, 03 Jul 2026 18:23:38 GMT
Apogee
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Perigee
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Inclination
28.79°
Right Ascension
73.94°
Eccentricity
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Argument of Perigee
182.98°
Period
1436.00 min
Mean Motion
1.00 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
IRNSS-1I
Alternative Name
IRNSS-R1I
Type
Payload
Status
Operational
Owner
ISRO
Country
India
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 43286U 18035A 26184.76641808 .00000080 00000-0 00000-0 0 9999
2 43286 28.7906 73.9396 0017711 182.9770 355.7923 1.00278714 30248
Source: Celestrak
Summary
The IRNSS-1I satellite, also known as IRNSS-R1I, is an Indian navigation satellite launched on April 11, 2018, from Satish Dhawan Space Centre using the PSLV-XL launch vehicle. It operates with a configuration based on the I-1K (I-1000) Bus and has a mission duration of 12 years. The satellite measures 1.6 meters in length, 1.5 meters in diameter, and spans 10 meters when its solar arrays are deployed. Its dry mass is 598 kilograms, and it weighed 1425 kilograms at launch. IRNSS-1I is equipped with a navigation payload, CDMA ranging payload, and a laser retro-reflector. It uses two deployable solar arrays for power and includes batteries as part of its power system. The satellite was manufactured by ISAC under the ownership of ISRO and operates in the Box + 2 Pan shape configuration.
Physical Characteristics
Length
1.6
Diameter
1.5
Span
10
Dry Mass
598
Launch Mass
1425
Shape
Box + 2 Pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
IRNSS-1I
Purpose
Navigation
Mission
Navigation
Manufacturer
ISAC
Life Expectancy
12 years
Bus
I1K
Configuration
I-1K (I-1000) Bus
Motor
ISRO LAM
Equipment
Navigation payload, CDMA ranging payload, laser retro-reflector
Power System
2 deployable solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
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