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BRO-18, 64550

Orbit data source: Space-Track

BRO-18, 64550 is a payload satellite owned by Unseen Labs (FR) in SSO that was launched on Mon, 23 Jun 2025 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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/64550?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/64550?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

64550, 2025-135Y

Orbit

SSO

Country

Related business

UnseenLabs SAS (FR)

Manufacturer

GOMSpace

Mission

Operational Commercial Sigint

Bus & Motor

CUBESAT 8U, Unknown motor

Mass

15 kg wet, ~15 kg dry

Launch date (UTC)

2025-06-23 (8 months ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box, 0.2 m

Radar Cross Section

0.100 m², Medium (>0.1 m² and < 1m²)

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

TLE from 6 hours ago

0 BRO-18
1 64550U 25135Y   26046.31256897  .00004884  00000-0  22527-3 0  9990
2 64550  97.4495 162.5110 0000688  38.9097 321.2187 15.20712742 36345

Epoch: 2026-02-15T07:30Z

TLE epoch observation values (Epoch: 2026-02-15T07:30:05.959Z)

Latitude

-0.00007°

Longitude

-95.33689°

Altitude

506.41 km

Speed

7.611 km/s

True Right ascension

10h 50m 02s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

16:31:21

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

501.129 km

Perigee altitude

500.183 km

Semi-major axis

6,878.793 km

Eccentricity

0.00007

Inclination

97.4495°

RAAN

162.511°

Arg. of periapsis

38.9097°

True anomaly

321.21376°

Mean anomaly

321.2187°

Eccentric anomaly

321.21623°

Mean motion

3.8043 °/min

Orbital period

94.63 mins

BSTAR

0.00022527

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Other satellites on launch #135 in the year 2025 (2025-06-23 UTC)

LEMUR 2 HUBBLE-5, 64840

IRIDE-MS2-HEO-2, 64569

IRIDE-MS2-HEO-8, 64587

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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-18 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.
6 mins	2026-02-15 20:41:29.557Z	4.78° NNE	2026-02-15 20:44:29.557Z	308.721° NW	41.579°	2026-02-15 20:47:29.557Z	205.005° SW
5 mins	2026-02-16 07:20:29.557Z	132.309° SE	2026-02-16 07:22:29.557Z	60.805° ENE	34.628°	2026-02-16 07:25:29.557Z	2.475° NNE

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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-18, 64550 on other resources

View BRO-18, 64550 on NASA - NSSDCA Website

View BRO-18, 64550 on Heavens-Above

View BRO-18, 64550 on Keep Track

View BRO-18, 64550 on Celestrak

View BRO-18, 64550 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-18, 64550

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: 2026-02-15T07:30:05.959Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #135 in the year 2025 (2025-06-23 UTC)

BRO-18 Visibility forecast

Co-orbital & Co-planar RSOs

Check out BRO-18, 64550 on other resources

Documentation

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