Showing default

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.

Loading next visibility...

Iframe embed code

<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

Optional secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

44115, 2019-020D

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)

2019-04-04 (7 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: 2 days ago

TLE from 2 days ago

0 O3B FM18
1 44115U 19020D   26222.03608869 -.00000023  00000-0  00000-0 0  9997
2 44115   0.0540 353.7650 0002738 145.2208 221.0320  5.00115378134342

Epoch: 2026-08-10T00:51Z

TLE epoch observation values (Epoch: 2026-08-10T00:51:58.062Z)

Latitude

0.00123°

Longitude

28.48355°

Altitude

8,067.359 km

Speed

5.253 km/s

True Right ascension

23h 59m 59s

True Declination

0° 00' 04"

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

11:38:13

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

8,072.907 km

Perigee altitude

8,064.995 km

Semi-major axis

14,447.088 km

Eccentricity

0.00027

Inclination

0.054°

RAAN

353.765°

Arg. of periapsis

145.2208°

True anomaly

221.01141°

Mean anomaly

221.032°

Eccentric anomaly

221.0217°

Mean motion

1.24989 °/min

Orbital period

288.02 mins

BSTAR

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

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

O3B FM18 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.
80 mins	2026-08-11 21:58:18.419Z	232.693° WSW	2026-08-11 22:38:18.419Z	180.021° SSW	24.352°	2026-08-11 23:18:18.419Z	127.41° SE
79 mins	2026-08-12 03:59:18.419Z	231.622° WSW	2026-08-12 04:38:18.419Z	180.033° SSW	24.327°	2026-08-12 05:18:18.419Z	127.426° SE
79 mins	2026-08-12 09:59:18.419Z	231.67° WSW	2026-08-12 10:38:18.419Z	180.102° SSW	24.389°	2026-08-12 11:18:18.419Z	127.396° SE
79 mins	2026-08-12 15:59:18.419Z	231.752° WSW	2026-08-12 16:38:18.419Z	180.09° SSW	24.412°	2026-08-12 17:18:18.419Z	127.38° SE

Items per page:

1–4 of 4 items

of 1 page

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 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.

O3B FM18, 44115

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-08-10T00:51:58.062Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

O3B FM18 Visibility forecast

Co-orbital & Co-planar RSOs

Check out O3B FM18, 44115 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago