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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43633 intel report (Beta)
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Identifier
Orbit
Country
US / ITSORelated business
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)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 17.5 m
Radar Cross Section
56.564 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 3 days ago
TLE from 3 days ago
0 HORIZONS 3E
1 43633U 18074B 26170.85516841 -.00000037 00000-0 00000-0 0 9994
2 43633 0.0016 83.0794 0000893 215.5434 86.3125 1.00267073 28363Epoch: 2026-06-19T20:31Z
TLE epoch observation values (Epoch: 2026-06-19T20:31:26.550Z)
Latitude
0.00091°
Longitude
169.0194°
Altitude
35,787.179 km
Speed
3.075 km/s
True Right ascension
01h 39m 49s
True Declination
0° 00' 03"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
21:38:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,792.752 km
Perigee altitude
35,785.221 km
Semi-major axis
42,167.123 km
Eccentricity
0.00009
Inclination
0.0016°
RAAN
83.0794°
Arg. of periapsis
215.5434°
True anomaly
86.32271°
Mean anomaly
86.3125°
Eccentric anomaly
86.31761°
Mean motion
0.25066 °/min
Orbital period
1,436.22 mins
BSTAR
0
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Other satellites on launch #74 in the year 2018 (2018-09-25 UTC)
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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.HORIZONS 3E Visibility
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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. |
|---|---|---|---|---|---|---|---|
| HORIZONS 3E is likely not visible in the next few days. |
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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
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 |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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