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O3B FM18, 44115

Orbit data source: Space-Track

O3B FM18, 44115 is a payload satellite owned by O3B SES (JE) that was launched on Thu, 04 Apr 2019 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 src="https://www.satcat.com/sats-embedded/44115?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/44115?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

44115, 2019-020D

Orbit

Active

Last TLE update

16 hours ago

Origin

SES S.A. (Unknown / O3B)

Manufacturer

Thales Alenia

Mission

Operational Commercial Communications

Bus & Motor

PRISMA?, LS-400 AOCS?

Mass

700 kg wet, ~500 kg dry

Launch date (UTC)

2019-04-04 (6 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

TLE from 16 hours ago

0 O3B FM18
1 44115U 19020D   25197.44914022 -.00000011  00000-0  00000-0 0  9990
2 44115   0.0478 355.9267 0002860 113.9041 250.1993  5.00115107114856

Epoch: 2025-07-16T10:46Z

TLE epoch observation values (Epoch: 2025-07-16T10:46:45.715Z)

Latitude

0.00066°

Longitude

-96.21965°

Altitude

8,065.781 km

Speed

5.254 km/s

True Right ascension

23h 59m 59s

True Declination

0° 00' 02"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

0.02467°

Longitude

53.01351°

Altitude

8,061.163 km

Speed

5.255 km/s

Apparent Right ascension

08h 41m 16s

Apparent Declination

-15° 03' 41"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

15:49:54

Azimuth

268.975° W

Elevation

-22.658°

Doppler factor

Orbital elements

Apogee altitude

8,073.088 km

Perigee altitude

8,064.824 km

Semi-major axis

14,447.093 km

Eccentricity

0.00029

Inclination

0.0478°

RAAN

355.9267°

Arg. of periapsis

113.9041°

True anomaly

Unknown

Mean anomaly

250.1993°

Eccentric anomaly

Unknown

Mean motion

1.24989 °/min

Orbital period

288.02 mins

BSTAR

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Other satellites on launch #20 in the year 2019 (2019-04-04 UTC)

O3B FM18 Visibility forecast

Observer location: undefined°, undefined°

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.
79 mins	2025-07-17 03:58:34.199Z	231.858° WSW	2025-07-17 04:37:34.199Z	180.385° SSW	24.328°	2025-07-17 05:17:34.199Z	127.663° SE
78 mins	2025-07-17 09:59:34.199Z	230.887° WSW	2025-07-17 10:37:34.199Z	180.456° SSW	24.365°	2025-07-17 11:17:34.199Z	127.63° SE
78 mins	2025-07-17 15:59:34.199Z	230.965° WSW	2025-07-17 16:37:34.199Z	180.44° SSW	24.41°	2025-07-17 17:17:34.199Z	127.586° SE
78 mins	2025-07-17 21:59:34.199Z	230.936° WSW	2025-07-17 22:37:34.199Z	180.37° SSW	24.373°	2025-07-17 23:17:34.199Z	127.62° SE

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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Authenticating...

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Check out O3B FM18, 44115 on other resources

View O3B FM18, 44115 on NASA - NSSDCA Website

View O3B FM18, 44115 on Heavens-Above

View O3B FM18, 44115 on Keep Track

View O3B FM18, 44115 on Celestrak

View O3B FM18, 44115 on Gunter's Space Page

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