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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). Payloads include a variety of satellites, spacecraft, and rockets 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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Identifier	42709, 2017-026A
Orbit	GEO
Last TLE update	6 hours ago
Origin	SES Sat. Leasing (SES)
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)	2017-05-18 (8 years ago)
Launch vehicle	SOYUZ-ST-A
Launch site	French Guiana (FRGUI)
Object type	Payload Rocket body Debris
Shape & HBR	Box + 2 Pan, 40 m
Radar Cross Section	34.404 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 6 hours ago

0 SES 15
1 42709U 17026A   25083.48239189  .00000060  00000-0  00000+0 0  9995
2 42709   0.0420  33.3280 0000449 345.4020 207.9511  1.00270042 29679

Epoch: 2025-03-24T11:34Z

Definitive object data (Epoch: 2025-03-24T11:34:38.659Z)

Latitude	0.01703°
Longitude	-129.17087°
Altitude	35,788.247 km
Speed	3.075 km/s
True Right ascension	15h 06m 45s
True Declination	0° 01' 01"
Sunlit	Object was in daylight at TLE epoch

Visualization TLE readout

Latitude	-0.01698°
Longitude	-44.37455°
Altitude	35,785.817 km
Speed	3.075 km/s
Apparent Right ascension	20h 33m 48s
Apparent Declination	-6° 10' 28"
Sunlit	Object is in daylight

Visualization observer readout

Local Sidereal Time	22:22:09
Azimuth	214.839° SW
Elevation	37.58°
Doppler factor	1

Orbital elements

Apogee altitude	35,790.047 km
Perigee altitude	35,786.261 km
Semi-major axis	42,166.291 km
Eccentricity	0.0000449
Inclination	0.042°
RAAN	33.328°
Arg. of periapsis	345.402°
True anomaly	207.94869°
Mean anomaly	207.9511°
Eccentric anomaly	207.94989°
Mean motion	0.25067 °/min
BSTAR	Unknown
Orbital period	1436.18 mins