IRNSS-1E (41241)

COSPAR: 2016-003A | Alt Name: IRNSS-R1E

Image
IRNSS-1E Satellite Image
Additional Sources
Launch Details

Launch Date

January 20, 2016

Launch Site

SRILR

Launch Pad

SLP

Launch Vehicle

PSLV-XL

Orbital Elements

NORAD ID

41241

International Designator

2016-003A

Epoch

Mon, 29 Jun 2026 19:51:21 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

33.26°

Right Ascension

59.57°

Eccentricity

Calculating...

Argument of Perigee

178.80°

Period

1436.08 min

Mean Motion

1.00 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

IRNSS-1E

Alternative Name

IRNSS-R1E

Type

Payload

Status

Partially operational

Owner

ISRO

Country

India

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 41241U 16003A   26180.82733131 -.00000310  00000-0  00000-0 0  9992
2 41241  33.2608  59.5670 0019201 178.7998  89.1855  1.00272765 38209

Source: Celestrak

Summary
The IRNSS-1E satellite, also known as IRNSS-R1E, was launched on January 20, 2016, from SRILR using the PSLV-XL launch vehicle by ISRO (Indian Space Research Organization). It is part of India's regional navigation satellite system. The spacecraft has a configuration based on the I-1K Bus with dimensions of approximately 1.6 meters in length and 1.5 meters in diameter, with a span of 10 meters due to its solar arrays. Its dry mass is 598 kg, while it weighed 1425 kg at launch. IRNSS-1E carries a navigation payload, CDMA ranging payload, and laser retro-reflector for its mission purposes. It uses two deployable solar arrays and batteries for power supply. The satellite has an expected lifetime of 12 years.
Physical Characteristics

Length

1.6

Diameter

1.5

Span

10

Dry Mass

598

Launch Mass

1425

Shape

Box + 2 Pan

Radar Cross Section

9.9385

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

IRNSS-1E

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
This tool will help you track the satellite's position and predict its upcoming passes over your location. Simply input the coordinates or click the geolocation button to get started.
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration

Satellite Articles

View All Posts »

Learn more about satellites and other related topics.

Kratos Wins $447M Space Force MEO Missile Tracking Deal | KeepTrack Space Brief

Kratos Wins $447M Space Force MEO Missile Tracking Deal | KeepTrack Space Brief

Kratos awarded $447 million Space Force contract for Resilient Missile Warning Tracking ground ops center in Medium Earth Orbit, shifting missile detection away from vulnerable GEO satellites.

Space Brief 1 Dec 2024

Space Brief 1 Dec 2024

Today's highlights: China's Long March 12 boosts lunar ambitions, SpaceX supports NRO's satellite infrastructure, Firefly prepares lunar mission, and NASA partners with SpaceX for Titan exploration.

Space Brief 13 Dec 2025

Space Brief 13 Dec 2025

Today's briefing covers a new naming system by Space Force, China's space advances, drone defense at Cape Canaveral, and more military updates impacting space operations.

Space Brief 24 Nov 2024

Space Brief 24 Nov 2024

Today's briefing covers Blue Origin's New Glenn nearing its first launch, SpaceX's 400th Falcon 9 mission with Starlink satellites, advancements in space-based weather prediction, and more.

X Report 12 Jul 2025

X Report 12 Jul 2025

SpaceX prepares for the Crew-11 astronaut mission launch, while Starlink continues to expand its satellite network in orbit.

Space Brief 15 Nov 2024

Space Brief 15 Nov 2024

Today's Space Brief covers China's Haiyang-4 satellite launch, Intuitive Machines' Artemis infrastructure proposals, deployment of the GREMLIN sensor suite, and more.

Orion Crew Returns After Historic Lunar Mission | KeepTrack Space Brief

Orion Crew Returns After Historic Lunar Mission | KeepTrack Space Brief

Artemis 2's four-person crew splashed down April 10 after first crewed lunar flyby since Apollo 17. Orion performance data critical for Artemis 3 south pole landing planning.

X Report 6 Jun 2025

X Report 6 Jun 2025

Today's SpaceX Brief highlights the imminent launch of the Ax-4 mission, notable milestones in Falcon rocket history, and the impact of political tensions on SpaceX operations.