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APPLE, 12545

Orbit data source: Space-Track

APPLE, 12545 is a payload satellite owned by ISRO (IN) in GEO that was launched on Fri, 19 Jun 1981 UTC via an ARIANE 1 launch vehicle from the French Guiana (FRGUI). 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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<iframe src="https://www.satcat.com/sats-embedded/12545?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/12545?theme=dark&initialShowStats=false

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Identifier

12545, 1981-057B

Orbit

GEO

Country

IN / IND

Related business

Indian Space Research Organization (IN)

Manufacturer

ISRO SAC/Banga

Mission

Non-operational spacecraft

Bus & Motor

APPLE, SLV-3-4

Mass

670 kg wet, 313 kg dry

Launch date (UTC)

1981-06-19 (45 years ago)

Launch vehicle

ARIANE 1

Launch site

French Guiana (FRGUI)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Large (>1 m²)

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Last TLE update: 15 hours ago

TLE from 15 hours ago

0 APPLE
1 12545U 81057B   26064.50052767 -.00000292  00000-0  00000+0 0  9991
2 12545   7.2712 297.6427 0022156 229.9130 117.9963  1.00039475121343

Epoch: 2026-03-05T12:00Z

TLE epoch observation values (Epoch: 2026-03-05T12:00:45.590Z)

Latitude

-1.4758°

Longitude

-57.52555°

Altitude

35,896.006 km

Speed

3.069 km/s

True Right ascension

19h 03m 39s

True Declination

-1° 28' 28"

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

07:08:02

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,946.457 km

Perigee altitude

35,759.323 km

Semi-major axis

42,231.027 km

Eccentricity

0.00222

Inclination

7.2712°

RAAN

297.6427°

Arg. of periapsis

229.913°

True anomaly

118.22019°

Mean anomaly

117.9963°

Eccentric anomaly

118.10827°

Mean motion

0.25009 °/min

Orbital period

1,439.48 mins

BSTAR

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Other satellites on launch #57 in the year 1981 (1981-06-19 UTC)

ARIANE 1 R/B, 12562 (Decayed)

ARIANE 1 DEB, 14125 (Decayed)

METEOSAT 2, 12544

METEOSAT 2 AKM (MAGE 1), 20837

CAT 3, 12546

ARIANE 1 DEB, 48343

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APPLE 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	2026-03-06 03:13:01.483Z	124.535° SE	2026-03-06 18:47:01.483Z	115.781° SE	26.592°	2026-03-07 03:13:01.483Z	125.29° SE

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12545 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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Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

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

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Check out APPLE, 12545 on other resources

View APPLE, 12545 on NASA - NSSDCA Website

View APPLE, 12545 on Heavens-Above

View APPLE, 12545 on Keep Track

View APPLE, 12545 on Celestrak

View APPLE, 12545 on Gunter's Space Page

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

APPLE, 12545

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2026-03-05T12:00:45.590Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #57 in the year 1981 (1981-06-19 UTC)

APPLE Visibility forecast

12545 neighbors

Co-orbital & Co-planar RSOs

Check out APPLE, 12545 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 15 hours ago