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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). 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 src="https://www.satcat.com/sats-embedded/42709?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/42709?theme=dark&initialShowStats=false

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Identifier

42709, 2017-026A

Orbit

GEO

Country

LU / SES

Related business

SES S.A. (LU)

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 (9 years ago)

Launch vehicle

SOYUZ-ST-A

Launch site

French Guiana (FRGUI)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 20.0 m

Radar Cross Section

34.404 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 13 hours ago

TLE from 13 hours ago

0 SES 15
1 42709U 17026A   25352.23900225  .00000085  00000-0  00000-0 0  9991
2 42709   0.0181 348.6685 0000201 351.9408  63.3573  1.00268760  5616

Epoch: 2025-12-18T05:44Z

TLE epoch observation values (Epoch: 2025-12-18T05:44:09.794Z)

Latitude

0.03764°

Longitude

-129.18157°

Altitude

35,786.552 km

Speed

3.075 km/s

True Right ascension

02h 55m 49s

True Declination

0° 02' 15"

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

17:16:55

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,789.361 km

Perigee altitude

35,787.666 km

Semi-major axis

42,166.65 km

Eccentricity

0.00002

Inclination

0.0181°

RAAN

348.6685°

Arg. of periapsis

351.9408°

True anomaly

63.35936°

Mean anomaly

63.3573°

Eccentric anomaly

63.35833°

Mean motion

0.25066 °/min

Orbital period

1,436.19 mins

BSTAR

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Other satellites on launch #26 in the year 2017 (2017-05-18 UTC)

FREGAT R/B, 42710

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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	2025-12-18 18:26:55.351Z	214.833° SW	2025-12-19 08:46:55.351Z	214.887° SW	31.401°	2025-12-19 18:26:55.351Z	214.844° 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

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out SES 15, 42709 on other resources

View SES 15, 42709 on NASA - NSSDCA Website

View SES 15, 42709 on Heavens-Above

View SES 15, 42709 on Keep Track

View SES 15, 42709 on Celestrak

View SES 15, 42709 on Gunter's Space Page

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

SES 15, 42709

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2025-12-18T05:44:09.794Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #26 in the year 2017 (2017-05-18 UTC)

SES 15 Visibility forecast

42709 neighbors

Co-orbital & Co-planar RSOs

Check out SES 15, 42709 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 13 hours ago