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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 (7 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: 9 hours ago

TLE from 9 hours ago

0 BRO-18
1 64550U 25135Y   26035.84985597  .00006197  00000-0  28593-3 0  9990
2 64550  97.4496 152.1683 0001456  45.4730 314.6624 15.20592637 34751

Epoch: 2026-02-04T20:23Z

TLE epoch observation values (Epoch: 2026-02-04T20:23:47.555Z)

Latitude

-0.00005°

Longitude

71.20963°

Altitude

506.437 km

Speed

7.611 km/s

True Right ascension

10h 08m 40s

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

07:52:49

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

502.02 km

Perigee altitude

500.017 km

Semi-major axis

6,879.156 km

Eccentricity

0.00015

Inclination

97.4496°

RAAN

152.1683°

Arg. of periapsis

45.473°

True anomaly

314.65053°

Mean anomaly

314.6624°

Eccentric anomaly

314.65647°

Mean motion

3.804 °/min

Orbital period

94.64 mins

BSTAR

0.00028593

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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	2026-02-05 07:34:41.894Z	160.325° S	2026-02-05 07:37:41.894Z	88.628° E	43.842°	2026-02-05 07:40:41.894Z	352.897° N
5 mins	2026-02-05 20:39:41.894Z	3.461° NNE	2026-02-05 20:41:41.894Z	303.14° NW	43.198°	2026-02-05 20:44:41.894Z	201.583° SSW

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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: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2026-02-04T20:23:47.555Z)

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: 9 hours ago