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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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ISO8601 Format

Identifier

12545, 1981-057B

Orbit

GEO

Last TLE update

15 hours ago

Origin

Indian Space Research Organization (IN / IND)

Manufacturer

ISRO SAC/Banga

Mission

Non-operational Civil Communications

Bus & Motor

APPLE, SLV-3-4

Mass

670 kg wet, 313 kg dry

Launch date (UTC)

1981-06-19 (44 years ago)

Launch vehicle

ARIANE 1

Launch site

French Guiana (FRGUI)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl + 2 Pan, 2 m

Radar Cross Section

2.339 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 15 hours ago

0 APPLE
1 12545U 81057B   25128.64741817  .00000059  00000-0  00000-0 0  9998
2 12545   7.9626 300.1620 0025839 212.5657 136.7338  1.00050372118331

Epoch: 2025-05-08T15:32Z

Definitive object data (Epoch: 2025-05-08T15:32:16.929Z)

Latitude

-1.43187°

Longitude

-170.02785°

Altitude

35,927.552 km

Speed

3.067 km/s

True Right ascension

19h 19m 01s

True Declination

-1° 25' 50"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

-4.8315°

Longitude

57.31664°

Altitude

35,740.629 km

Speed

3.08 km/s

Apparent Right ascension

10h 02m 51s

Apparent Declination

-10° 43' 12"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

14:52:14

Azimuth

250.373° W

Elevation

6.27°

Doppler factor

Orbital elements

Apogee altitude

35,958.931 km

Perigee altitude

35,740.706 km

Semi-major axis

42,227.955 km

Eccentricity

0.0025839

Inclination

7.9626°

RAAN

300.162°

Arg. of periapsis

212.5657°

True anomaly

136.93626°

Mean anomaly

136.7338°

Eccentric anomaly

136.83508°

Mean motion

0.25012 °/min

BSTAR

Unknown

Orbital period

1439.33 mins

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12545 neighbors

Authenticating...

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

METEOSAT 2, 12544

CAT 3, 12546

ARIANE 1 R/B, 12562 (Decayed)

ARIANE 1 DEB, 14125 (Decayed)

METEOSAT 2 AKM (MAGE 1), 20837

ARIANE 1 DEB, 48343

APPLE Visibility forecast

Observer location: undefined°, undefined°

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.
661 mins	2025-05-09 16:33:21.493Z	254.583° W	2025-05-09 22:26:21.493Z	260.788° W	14.244°	2025-05-10 03:34:21.493Z	255.507° W

Authenticating...

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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.