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BRO-20, 66674

Orbit data source: Space-Track

BRO-20, 66674 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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Iframe URL

https://www.satcat.com/sats-embedded/66674?theme=dark&initialShowStats=false

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Identifier

66674, 2025-276J

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: 17 hours ago

TLE from 17 hours ago

0 BRO-20
1 66674U 25276J   26147.20081227  .00004742  00000-0  23630-3 0  9997
2 66674  97.4175 220.7148 0008041  81.6952 278.5193 15.18009760 27216

Epoch: 2026-05-27T04:49Z

TLE epoch observation values (Epoch: 2026-05-27T04:49:10.180Z)

Latitude

-0.00005°

Longitude

-96.34092°

Altitude

514.127 km

Speed

7.607 km/s

True Right ascension

14h 42m 51s

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

07:03:56

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

514.363 km

Perigee altitude

503.287 km

Semi-major axis

6,886.962 km

Eccentricity

0.0008

Inclination

97.4175°

RAAN

220.7148°

Arg. of periapsis

81.6952°

True anomaly

278.42816°

Mean anomaly

278.5193°

Eccentric anomaly

278.47373°

Mean motion

3.79753 °/min

Orbital period

94.8 mins

BSTAR

0.0002363

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

LEMUR-2-TARTIFLETTE, 66784

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BRO-20 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	2026-05-28 04:40:34.813Z	151.279° SSE	2026-05-28 04:43:34.813Z	88.626° E	38.985°	2026-05-28 04:46:34.813Z	0.469° NNE
6 mins	2026-05-28 17:46:34.813Z	12.164° NNE	2026-05-28 17:49:34.813Z	192.043° SSW	42.572°	2026-05-28 17:52:34.813Z	192.932° 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-20, 66674 on other resources

View BRO-20, 66674 on NASA - NSSDCA Website

View BRO-20, 66674 on Heavens-Above

View BRO-20, 66674 on Keep Track

View BRO-20, 66674 on Celestrak

View BRO-20, 66674 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-20, 66674

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 17 hours ago

TLE from 17 hours ago

TLE epoch observation values (Epoch: 2026-05-27T04:49:10.180Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

BRO-20 Visibility forecast

Co-orbital & Co-planar RSOs

Check out BRO-20, 66674 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 17 hours ago