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BRO-17, 66672

Orbit data source: Space-Track

BRO-17, 66672 is a payload satellite owned by Unseen Labs (FR) in SSO that was launched on Fri, 28 Nov 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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https://www.satcat.com/sats-embedded/66672?theme=dark&initialShowStats=false

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Identifier

66672, 2025-276G

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)

2025-11-28 (6 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

Expand to show TLE details & history
Last TLE update: 13 hours ago

TLE from 13 hours ago

0 BRO-17
1 66672U 25276G   26144.64826002  .00002439  00000-0  12384-3 0  9993
2 66672  97.4196 218.2225 0008458  86.1700 274.0501 15.17811294 26820

Epoch: 2026-05-24T15:33Z

TLE epoch observation values (Epoch: 2026-05-24T15:33:29.665Z)

Latitude

-0.00002°

Longitude

102.60151°

Altitude

515.137 km

Speed

7.606 km/s

True Right ascension

14h 32m 53s

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

13:55:18

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

515.252 km

Perigee altitude

503.601 km

Semi-major axis

6,887.563 km

Eccentricity

0.00085

Inclination

97.4196°

RAAN

218.2225°

Arg. of periapsis

86.17°

True anomaly

273.95341°

Mean anomaly

274.0501°

Eccentric anomaly

274.00176°

Mean motion

3.79704 °/min

Orbital period

94.81 mins

BSTAR

0.00012384

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Other satellites on launch #276 in the year 2025 (2025-11-28 UTC)

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BRO-17 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	2026-05-25 17:27:37.878Z	38.469° NE	2026-05-25 17:29:37.878Z	113.587° SE	35.956°	2026-05-25 17:32:37.878Z	173.157° S
4 mins	2026-05-26 04:06:37.878Z	103.258° ESE	2026-05-26 04:08:37.878Z	61.546° ENE	18.682°	2026-05-26 04:10:37.878Z	25.788° NE

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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-17, 66672 on other resources

View BRO-17, 66672 on NASA - NSSDCA Website

View BRO-17, 66672 on Heavens-Above

View BRO-17, 66672 on Keep Track

View BRO-17, 66672 on Celestrak

View BRO-17, 66672 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-17, 66672

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2026-05-24T15:33:29.665Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #276 in the year 2025 (2025-11-28 UTC)

BRO-17 Visibility forecast

Co-orbital & Co-planar RSOs

Check out BRO-17, 66672 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 13 hours ago