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IRNSS-1B (39635)
COSPAR: 2014-017A | Alt Name: IRNSS-R1B
Image
Additional Sources
Launch Details
Launch Date
April 4, 2014
Launch Site
SRILR
Launch Pad
FLP
Launch Vehicle
PSLV-XL
Orbital Elements
NORAD ID
39635
International Designator
2014-017A
Epoch
Fri, 03 Jul 2026 17:37:07 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
28.90°
Right Ascension
240.12°
Eccentricity
Calculating...
Argument of Perigee
194.58°
Period
1436.09 min
Mean Motion
1.00 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
IRNSS-1B
Alternative Name
IRNSS-R1B
Type
Payload
Status
Operational
Owner
ISRO
Country
India
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 39635U 14017A 26184.73411578 .00000139 00000-0 00000-0 0 9999
2 39635 28.8962 240.1173 0022908 194.5837 166.3850 1.00272129 44965
Source: Celestrak
Summary
IRNSS-1B is an Indian satellite launched on April 4, 2014, from Satish Dhawan Space Centre using a PSLV-XL launch vehicle. The spacecraft uses the I-1K (I-1000) Bus configuration and measures 1.6 meters in length with a diameter of 1.5 meters and a span of 10 meters when its solar arrays are deployed. It has a dry mass of 614 kilograms and a launch mass of 1432 kilograms, equipped with navigation payload, CDMA ranging payload, and laser retro-reflector for its primary mission in navigation. The satellite is powered by two deployable solar arrays and batteries and was manufactured by ISAC (Indian Space Research Organisation) for an expected lifetime of 12 years. It operates under the ownership of ISRO, aiming to enhance India's navigation capabilities through this orbital asset.
Physical Characteristics
Length
1.6
Diameter
1.5
Span
10
Dry Mass
614
Launch Mass
1432
Shape
Box + 2 Pan
Radar Cross Section
6.3096
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
IRNSS-1B
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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