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IRNSS 1D, 40547

Orbit data source: Space-Track

IRNSS 1D, 40547 is a payload satellite owned by ISRO (IN) in GEO that was launched on Sat, 28 Mar 2015 UTC via a PSLV-XL launch vehicle from the Sirharikota (SRI). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

Not visible in the next 10 days

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Iframe URL

https://www.satcat.com/sats-embedded/40547?theme=dark&initialShowStats=false

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Identifier

40547, 2015-018A

Orbit

GEO

Country

IN / IND

Related business

Indian Space Research Organization (IN)

Manufacturer

ISRO SAC/Banga

Mission

Non-operational Civil Navigation

Bus & Motor

I1K, ISRO LAM

Mass

1,425 kg wet, 603 kg dry

Launch date (UTC)

2015-03-28 (11 years ago)

Launch vehicle

PSLV-XL

Launch site

Sirharikota (SRI)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 5.0 m

Radar Cross Section

6.961 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 7 hours ago

TLE from 7 hours ago

0 IRNSS 1D
1 40547U 15018A   26095.53630500 -.00000072  00000-0  00000-0 0  9999
2 40547  19.7212 240.3155 0007778 356.2567 176.7094  0.97958792 40191

Epoch: 2026-04-05T12:52Z

TLE epoch observation values (Epoch: 2026-04-05T12:52:16.751Z)

Latitude

2.33116°

Longitude

26.81405°

Altitude

36,480.36 km

Speed

3.049 km/s

True Right ascension

03h 34m 53s

True Declination

2° 19' 44"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

01:20:02

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

36,481.926 km

Perigee altitude

36,415.305 km

Semi-major axis

42,826.752 km

Eccentricity

0.00078

Inclination

19.7212°

RAAN

240.3155°

Arg. of periapsis

356.2567°

True anomaly

176.71451°

Mean anomaly

176.7094°

Eccentric anomaly

176.71196°

Mean motion

0.24489 °/min

Orbital period

1,470.05 mins

BSTAR

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Other satellites on launch #18 in the year 2015 (2015-03-28 UTC)

PSLV R/B, 40548

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IRNSS 1D Visibility

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Span	Click to sort rows by Start time (UTC) header in descending order	Start Az.	Max El. time (UTC)	Max El. Az.	Max El.	End time (UTC)	End Az.
IRNSS 1D is likely not visible in the next few days.

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40547 neighbors

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Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out IRNSS 1D, 40547 on other resources

View IRNSS 1D, 40547 on NASA - NSSDCA Website

View IRNSS 1D, 40547 on Heavens-Above

View IRNSS 1D, 40547 on Keep Track

View IRNSS 1D, 40547 on Celestrak

View IRNSS 1D, 40547 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

IRNSS 1D, 40547

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 7 hours ago

TLE from 7 hours ago

TLE epoch observation values (Epoch: 2026-04-05T12:52:16.751Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #18 in the year 2015 (2015-03-28 UTC)

IRNSS 1D Visibility

40547 neighbors

Co-orbital & Co-planar RSOs

Check out IRNSS 1D, 40547 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 7 hours ago