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O3B FM15, 43231

Orbit data source: Space-Track

O3B FM15, 43231 is a payload satellite owned by O3B SES (JE) that was launched on Fri, 09 Mar 2018 UTC via a SOYUZ-ST-B 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 URL

https://www.satcat.com/sats-embedded/43231?theme=dark&initialShowStats=false

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Identifier

43231, 2018-024A

Orbit

Active

Country

Unknown / O3B

Related business

SES S.A. (LU)

Manufacturer

Thales Alenia

Mission

Operational Commercial Communications

Bus & Motor

PRISMA?, LS-400 AOCS?

Mass

700 kg wet, ~500 kg dry

Launch date (UTC)

2018-03-09 (9 years ago)

Launch vehicle

SOYUZ-ST-B

Launch site

French Guiana (FRGUI)

Object type

Payload

Rocket body

Debris

Shape & HBR

Trap Box + 2 Pan, 6.0 m

Radar Cross Section

21.980 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 10 hours ago

TLE from 10 hours ago

0 O3B FM15
1 43231U 18024A   26312.01390271 -.00000023  00000-0  00000+0 0  9990
2 43231   0.0552 355.1238 0002678 235.4202 129.4379  5.00115916158215

Epoch: 2026-11-08T00:20Z

TLE epoch observation values (Epoch: 2026-11-08T00:20:01.194Z)

Latitude

0.0097°

Longitude

-52.21599°

Altitude

8,066.823 km

Speed

5.253 km/s

True Right ascension

23h 59m 59s

True Declination

0° 00' 35"

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

06:29:54

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

8,072.81 km

Perigee altitude

8,065.072 km

Semi-major axis

14,447.078 km

Eccentricity

0.00027

Inclination

0.0552°

RAAN

355.1238°

Arg. of periapsis

235.4202°

True anomaly

129.4616°

Mean anomaly

129.4379°

Eccentric anomaly

129.44975°

Mean motion

1.24989 °/min

Orbital period

288.02 mins

BSTAR

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Other satellites on launch #24 in the year 2018 (2018-03-09 UTC)

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O3B FM15 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.
80 mins	2026-11-08 10:46:53.409Z	232.969° WSW	2026-11-08 11:26:53.409Z	180.435° SSW	27.045°	2026-11-08 12:06:53.409Z	127.593° SE
79 mins	2026-11-08 16:47:53.409Z	231.977° WSW	2026-11-08 17:26:53.409Z	180.413° SSW	26.935°	2026-11-08 18:06:53.409Z	127.599° SE
79 mins	2026-11-08 22:47:53.409Z	231.889° WSW	2026-11-08 23:26:53.409Z	180.348° SSW	26.921°	2026-11-09 00:06:53.409Z	127.545° SE
79 mins	2026-11-09 04:47:53.409Z	231.898° WSW	2026-11-09 05:26:53.409Z	180.37° SSW	27.032°	2026-11-09 06:06:53.409Z	127.539° SE

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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 O3B FM15, 43231 on other resources

View O3B FM15, 43231 on NASA - NSSDCA Website

View O3B FM15, 43231 on Heavens-Above

View O3B FM15, 43231 on Keep Track

View O3B FM15, 43231 on Celestrak

View O3B FM15, 43231 on Gunter's Space Page

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

O3B FM15, 43231

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-11-08T00:20:01.194Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #24 in the year 2018 (2018-03-09 UTC)

O3B FM15 Visibility forecast

Co-orbital & Co-planar RSOs

Check out O3B FM15, 43231 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 10 hours ago