Showing default

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.

Loading next visibility...

Iframe embed code

<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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

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: 8 hours ago

TLE from 8 hours ago

0 SES 15
1 42709U 17026A   26047.44197179  .00000064  00000-0  00000+0 0  9998
2 42709   0.0439 296.1899 0000580  51.2333 188.9392  1.00270466  6220

Epoch: 2026-02-16T10:36Z

TLE epoch observation values (Epoch: 2026-02-16T10:36:26.362Z)

Latitude

0.01865°

Longitude

-129.15984°

Altitude

35,788.876 km

Speed

3.075 km/s

True Right ascension

11h 45m 32s

True Declination

0° 01' 07"

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

21:28:21

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,790.481 km

Perigee altitude

35,785.589 km

Semi-major axis

42,166.172 km

Eccentricity

0.00006

Inclination

0.0439°

RAAN

296.1899°

Arg. of periapsis

51.2333°

True anomaly

188.93817°

Mean anomaly

188.9392°

Eccentric anomaly

188.93868°

Mean motion

0.25067 °/min

Orbital period

1,436.17 mins

BSTAR

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

FREGAT R/B, 42710

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

SES 15 Visibility forecast

Loading observer location...
Set Observer location

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	2026-02-16 18:41:45.590Z	214.824° SW	2026-02-17 12:55:45.590Z	214.84° SW	31.391°	2026-02-17 18:41:45.590Z	214.833° SW

Items per page:

1–1 of 1 items

of 1 page

Loading historical data...

42709 neighbors

Authenticating...

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

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

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

Authenticating...

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

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: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2026-02-16T10:36:26.362Z)

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: 8 hours ago