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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 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: 13 hours ago

TLE from 13 hours ago

0 APPLE
1 12545U 81057B   26154.63226860  .00000116  00000-0  00000+0 0  9996
2 12545   7.0638 296.9555 0025736 224.1454 182.2569  1.00033270122250

Epoch: 2026-06-03T15:10Z

TLE epoch observation values (Epoch: 2026-06-03T15:10:28.007Z)

Latitude

5.1214°

Longitude

-136.60184°

Altitude

35,960.654 km

Speed

3.064 km/s

True Right ascension

22h 52m 24s

True Declination

5° 06' 59"

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

13:53:25

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,963.328 km

Perigee altitude

35,745.947 km

Semi-major axis

42,232.774 km

Eccentricity

0.00257

Inclination

7.0638°

RAAN

296.9555°

Arg. of periapsis

224.1454°

True anomaly

182.24532°

Mean anomaly

182.2569°

Eccentric anomaly

182.25111°

Mean motion

0.25007 °/min

Orbital period

1,439.57 mins

BSTAR

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

METEOSAT 2, 12544

METEOSAT 2 AKM (MAGE 1), 20837

CAT 3, 12546

ARIANE 1 DEB, 48343

ARIANE 1 R/B, 12562 (Decayed)

ARIANE 1 DEB, 14125 (Decayed)

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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	2026-06-04 04:03:26.195Z	220.059° SW	2026-06-04 18:09:26.195Z	230.235° WSW	32.468°	2026-06-05 04:03:26.195Z	220.958° SW

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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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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: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2026-06-03T15:10:28.007Z)

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: 13 hours ago