INMARSAT 5-F4, 42698
Orbit data source: Space-Track
INMARSAT 5-F4, 42698 is a payload satellite owned by INMARSAT-Ltd (UK) in GEO that was launched on Mon, 15 May 2017 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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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42698 intel report (Beta)
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Identifier
Orbit
Country
IMRelated business
Manufacturer
Boeing/ES
Mission
Operational Commercial Communications
Bus & Motor
BSS-702HP, R-4D
Mass
6,070 kg wet, 3,700 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 16.9 m
Radar Cross Section
53.751 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 INMARSAT 5-F4
1 42698U 17025A 26171.40325053 .00000071 00000-0 00000+0 0 9990
2 42698 0.0186 19.3734 0000687 350.8599 100.0381 1.00271389 33317Epoch: 2026-06-20T09:40Z
TLE epoch observation values (Epoch: 2026-06-20T09:40:40.845Z)
Latitude
0.03691°
Longitude
56.50285°
Altitude
35,786.692 km
Speed
3.075 km/s
True Right ascension
07h 21m 09s
True Declination
0° 02' 13"
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
21:30:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,790.673 km
Perigee altitude
35,784.88 km
Semi-major axis
42,165.913 km
Eccentricity
0.00007
Inclination
0.0186°
RAAN
19.3734°
Arg. of periapsis
350.8599°
True anomaly
100.04585°
Mean anomaly
100.0381°
Eccentric anomaly
100.04198°
Mean motion
0.25067 °/min
Orbital period
1,436.16 mins
BSTAR
0
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Other satellites on launch #25 in the year 2017 (2017-05-15 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.INMARSAT 5-F4 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. |
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| INMARSAT 5-F4 is likely not visible in the next few days. |
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42698 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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