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ALPHASAT (I-4A F4), 39215

Orbit data source: Space-Track

ALPHASAT (I-4A F4), 39215 is a UK payload satellite in GEO that was launched on Thu, 25 Jul 2013 UTC via an ARIANE 5ECA 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.

Not visible in the next 10 days

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/39215?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/39215?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

39215, 2013-038A

Orbit

GEO

Country

Related business

International Mobile Satellite Organization Ltd (GB)

Manufacturer

Astrium/Toulouse

Mission

Operational Commercial Communications

Bus & Motor

ALPHABUS, S400

Mass

6,650 kg wet, ~3,500 kg dry

Launch date (UTC)

2013-07-25 (13 years ago)

Launch vehicle

ARIANE 5ECA

Launch site

French Guiana (FRGUI)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan + 1 Dish, 20.0 m

Radar Cross Section

46.013 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 10 hours ago

TLE from 10 hours ago

0 ALPHASAT (I-4A F4)
1 39215U 13038A   26115.21548082  .00000120  00000-0  00000-0 0  9993
2 39215   2.9924   1.8525 0002159  61.7430 252.0786  1.00271047 43488

Epoch: 2026-04-25T05:10Z

TLE epoch observation values (Epoch: 2026-04-25T05:10:17.542Z)

Latitude

-2.14471°

Longitude

24.89033°

Altitude

35,789.375 km

Speed

3.074 km/s

True Right ascension

21h 02m 48s

True Declination

-2° 08' 33"

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

22:22:58

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,796.972 km

Perigee altitude

35,778.764 km

Semi-major axis

42,166.005 km

Eccentricity

0.00022

Inclination

2.9924°

RAAN

1.8525°

Arg. of periapsis

61.743°

True anomaly

252.05506°

Mean anomaly

252.0786°

Eccentric anomaly

252.06683°

Mean motion

0.25067 °/min

Orbital period

1,436.16 mins

BSTAR

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Computing Atmospheric mass density...

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Other satellites on launch #38 in the year 2013 (2013-07-25 UTC)

INSAT 3D, 39216

ARIANE 5 DEB (SYLDA), 39217 (Decayed)

ARIANE 5 R/B, 39218

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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

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ALPHASAT (I-4A F4) Visibility

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ALPHASAT (I-4A F4) is likely not visible in the next few days.

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39215 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 ALPHASAT (I-4A F4), 39215 on other resources

View ALPHASAT (I-4A F4), 39215 on NASA - NSSDCA Website

View ALPHASAT (I-4A F4), 39215 on Heavens-Above

View ALPHASAT (I-4A F4), 39215 on Keep Track

View ALPHASAT (I-4A F4), 39215 on Celestrak

View ALPHASAT (I-4A F4), 39215 on Gunter's Space Page

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

ALPHASAT (I-4A F4), 39215

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-04-25T05:10:17.542Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #38 in the year 2013 (2013-07-25 UTC)

ALPHASAT (I-4A F4) Visibility

39215 neighbors

Co-orbital & Co-planar RSOs

Check out ALPHASAT (I-4A F4), 39215 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 10 hours ago