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BRO-1, 44495

Orbit data source: Space-Track

BRO-1, 44495 is a payload satellite owned by Unseen Labs (FR) in LEO that was launched on Mon, 19 Aug 2019 UTC via an ELECTRON launch vehicle from the Rocket Lab Launch Complex (RLLC). 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/44495?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/44495?theme=dark&initialShowStats=false

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Identifier

44495, 2019-054A

Orbit

LEO

Country

Related business

UnseenLabs SAS (FR)

Manufacturer

GOMSpace

Mission

Operational Commercial Sigint

Bus & Motor

CUBESAT 6U, Unknown motor

Mass

10 kg wet, ~10 kg dry

Launch date (UTC)

2019-08-19 (7 years ago)

Launch vehicle

ELECTRON

Launch site

Rocket Lab Launch Complex (RLLC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box, 0.1 m

Radar Cross Section

0.080 m², Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 6 hours ago

TLE from 6 hours ago

0 BRO-1
1 44495U 19054A   26139.13260557  .00102665  00000-0  55053-3 0  9996
2 44495  44.9961 101.8773 0008272 111.9993 248.1790 15.79248388375135

Epoch: 2026-05-19T03:10Z

TLE epoch observation values (Epoch: 2026-05-19T03:10:57.121Z)

Latitude

0.00004°

Longitude

177.32844°

Altitude

334.634 km

Speed

7.708 km/s

True Right ascension

06h 47m 30s

True Declination

0° 00' 00"

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

17:40:55

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

339.767 km

Perigee altitude

328.662 km

Semi-major axis

6,712.352 km

Eccentricity

0.00083

Inclination

44.9961°

RAAN

101.8773°

Arg. of periapsis

111.9993°

True anomaly

248.09104°

Mean anomaly

248.179°

Eccentric anomaly

248.13501°

Mean motion

3.94667 °/min

Orbital period

91.22 mins

BSTAR

0.00055053

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Other satellites on launch #54 in the year 2019 (2019-08-19 UTC)

GLOBAL-4, 44499

ELECTRON KICK STAGE R/B, 44496 (Decayed)

ELECTRON R/B, 44500 (Decayed)

PEARL WHITE 1, 44497 (Decayed)

PEARL WHITE 2, 44498 (Decayed)

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

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BRO-1 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.
5 mins	2026-05-20 00:38:13.206Z	218.089° SW	2026-05-20 00:40:13.206Z	174.459° S	29.422°	2026-05-20 00:43:13.206Z	79.392° E
4 mins	2026-05-20 05:26:13.206Z	304.219° NW	2026-05-20 05:27:13.206Z	335.109° NNW	40.403°	2026-05-20 05:30:13.206Z	105.097° ESE

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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 BRO-1, 44495 on other resources

View BRO-1, 44495 on NASA - NSSDCA Website

View BRO-1, 44495 on Heavens-Above

View BRO-1, 44495 on Keep Track

View BRO-1, 44495 on Celestrak

View BRO-1, 44495 on Gunter's Space Page

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

BRO-1, 44495

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-05-19T03:10:57.121Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #54 in the year 2019 (2019-08-19 UTC)

BRO-1 Visibility forecast

Co-orbital & Co-planar RSOs

Check out BRO-1, 44495 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 6 hours ago