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HORIZONS 3E, 43633

Orbit data source: Space-Track

HORIZONS 3E, 43633 is a payload satellite owned by Horizons (US) in GEO that was launched on Tue, 25 Sep 2018 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.

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Iframe URL

https://www.satcat.com/sats-embedded/43633?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

43633, 2018-074B

Orbit

GEO

Country

Unknown / ITSO

Related business

SKY Perfect JSAT Group (JP)

Manufacturer

Boeing/ES

Mission

Operational Commercial Communications

Bus & Motor

BSS-702MP, R-4D?

Mass

6,441 kg wet, ~3,000 kg dry

Launch date (UTC)

2018-09-25 (7 years ago)

Launch vehicle

ARIANE 5ECA

Launch site

French Guiana (FRGUI)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 17.5 m

Radar Cross Section

56.564 m², Large (>1 m²)

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Last TLE update: 1 day ago

TLE from 1 day ago

0 HORIZONS 3E
1 43633U 18074B   25255.90607285 -.00000037  00000-0  00000-0 0  9996
2 43633   0.0272 258.4557 0001913  29.7235 199.1623  1.00271948 25561

Epoch: 2025-09-12T21:44Z

TLE epoch observation values (Epoch: 2025-09-12T21:44:44.694Z)

Latitude

-0.02606°

Longitude

168.99171°

Altitude

35,793.653 km

Speed

3.074 km/s

True Right ascension

08h 29m 18s

True Declination

0° 01' 34"

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

19:54:01

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,795.686 km

Perigee altitude

35,779.553 km

Semi-major axis

42,165.757 km

Eccentricity

0.00019

Inclination

0.0272°

RAAN

258.4557°

Arg. of periapsis

29.7235°

True anomaly

199.15511°

Mean anomaly

199.1623°

Eccentric anomaly

199.1587°

Mean motion

0.25067 °/min

Orbital period

1,436.15 mins

BSTAR

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Computing Atmospheric mass density...

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Other satellites on launch #74 in the year 2018 (2018-09-25 UTC)

AZERSPACE 2/INTELSAT 38, 43632

ARIANE 5 R/B, 43634

ARIANE 5 DEB (SYLDA), 43635 (Decayed)

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HORIZONS 3E Visibility

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43633 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 HORIZONS 3E, 43633 on other resources

View HORIZONS 3E, 43633 on NASA - NSSDCA Website

View HORIZONS 3E, 43633 on Heavens-Above

View HORIZONS 3E, 43633 on Keep Track

View HORIZONS 3E, 43633 on Celestrak

View HORIZONS 3E, 43633 on Gunter's Space Page

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

HORIZONS 3E, 43633

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: 2025-09-12T21:44:44.694Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #74 in the year 2018 (2018-09-25 UTC)

HORIZONS 3E Visibility

43633 neighbors

Co-orbital & Co-planar RSOs

Check out HORIZONS 3E, 43633 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago