SES 15, 42709
Orbit data source: Space-Track
SES 15, 42709 is a payload satellite owned by SES Sat. Leasing (LU) in GEO that was launched on Thu, 18 May 2017 UTC via a SOYUZ-ST-A 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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42709 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
LU / SESRelated business
Manufacturer
Boeing/ES
Mission
Operational Commercial Communications
Bus & Motor
BSS-702SP, R-4D?
Mass
2,302 kg wet, ~2,000 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 20.0 m
Radar Cross Section
34.404 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 SES 15
1 42709U 17026A 25260.98544980 .00000039 00000-0 00000-0 0 9992
2 42709 0.0085 75.2245 0000278 150.5668 356.9646 1.00269696 4709Epoch: 2025-09-17T23:39Z
TLE epoch observation values (Epoch: 2025-09-17T23:39:02.862Z)
Latitude
0.01154°
Longitude
-129.15787°
Altitude
35,785.501 km
Speed
3.075 km/s
True Right ascension
14h 51m 01s
True Declination
0° 00' 41"
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
20:51:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,789.423 km
Perigee altitude
35,787.079 km
Semi-major axis
42,166.388 km
Eccentricity
0.00003
Inclination
0.0085°
RAAN
75.2245°
Arg. of periapsis
150.5668°
True anomaly
356.96443°
Mean anomaly
356.9646°
Eccentric anomaly
356.96452°
Mean motion
0.25066 °/min
Orbital period
1,436.18 mins
BSTAR
0
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Other satellites on launch #26 in the year 2017 (2017-05-18 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.SES 15 Visibility forecast
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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. |
|---|---|---|---|---|---|---|---|
| 1440 mins | 2025-09-19 03:58:44.396Z | 214.828° SW | 2025-09-20 01:11:44.396Z | 214.843° SW | 31.388° | 2025-09-20 03:58:44.396Z | 214.838° SW |
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42709 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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