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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.

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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 (10 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)

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Last TLE update: 1 day ago

TLE from 1 day ago

0 IRNSS 1D
1 40547U 15018A   25259.99100850 -.00000005  00000-0  00000-0 0  9996
2 40547  20.1399 244.1682 0013701 345.8957  17.7879  0.97965811 38237

Epoch: 2025-09-16T23:47Z

TLE epoch observation values (Epoch: 2025-09-16T23:47:03.134Z)

Latitude

1.31536°

Longitude

-105.24521°

Altitude

36,389.517 km

Speed

3.055 km/s

True Right ascension

16h 30m 45s

True Declination

1° 18' 51"

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

21:07:19

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

36,505.237 km

Perigee altitude

36,387.888 km

Semi-major axis

42,824.699 km

Eccentricity

0.00137

Inclination

20.1399°

RAAN

244.1682°

Arg. of periapsis

345.8957°

True anomaly

17.83594°

Mean anomaly

17.7879°

Eccentric anomaly

17.81191°

Mean motion

0.24491 °/min

Orbital period

1,469.94 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 forecast

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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.
1440 mins	2025-09-18 04:18:25.093Z	206.809° SW	2025-09-18 06:19:25.093Z	206.722° SW	42.121°	2025-09-19 04:18:25.093Z	221.785° SW

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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: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2025-09-16T23:47:03.134Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

IRNSS 1D Visibility forecast

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: 1 day ago