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AC1-002, 66745

Orbit data source: Space-Track

AC1-002, 66745 is a UK payload satellite 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/66745?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

66745, 2025-276CH

Orbit

SSO

Country

Related business

BAE Systems Digital Intelligence (Detica) (UK)

Manufacturer

INSBAE

Mission

Operational Commercial Sigint/Imaging

Bus & Motor

P10, Unknown motor

Mass

140 kg wet, 140 kg dry

Launch date (UTC)

2025-11-28 (9 months ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Trap Box + Cyl, 0.4 m

Radar Cross Section

0.655 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 21 hours ago

TLE from 21 hours ago

0 AC1-002
1 66745U 25276CH  26238.20603080  .00002014  00000-0  10032-3 0  9996
2 66745  97.4148 310.2164 0003805  99.2852 260.8813 15.18693854 41037

Epoch: 2026-08-26T04:56Z

TLE epoch observation values (Epoch: 2026-08-26T04:56:41.061Z)

Latitude

0.00002°

Longitude

-98.41705°

Altitude

513.292 km

Speed

7.607 km/s

True Right ascension

20h 40m 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

17:10:25

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

509.375 km

Perigee altitude

504.135 km

Semi-major axis

6,884.892 km

Eccentricity

0.00038

Inclination

97.4148°

RAAN

310.2164°

Arg. of periapsis

99.2852°

True anomaly

260.83825°

Mean anomaly

260.8813°

Eccentric anomaly

260.85978°

Mean motion

3.79925 °/min

Orbital period

94.76 mins

BSTAR

0.00010032

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

LEMUR-2-CELIJO-SB-PK, 66781

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AC1-002 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	2026-08-27 04:47:36.721Z	158.27° S	2026-08-27 04:50:36.721Z	67.141° ENE	43.238°	2026-08-27 04:53:36.721Z	353.96° N
5 mins	2026-08-27 17:53:36.721Z	3.164° NNE	2026-08-27 17:55:36.721Z	277.188° WNW	43.577°	2026-08-27 17:58:36.721Z	200.631° 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 AC1-002, 66745 on other resources

View AC1-002, 66745 on NASA - NSSDCA Website

View AC1-002, 66745 on Heavens-Above

View AC1-002, 66745 on Keep Track

View AC1-002, 66745 on Celestrak

View AC1-002, 66745 on Gunter's Space Page

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

AC1-002, 66745

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 21 hours ago

TLE from 21 hours ago

TLE epoch observation values (Epoch: 2026-08-26T04:56:41.061Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

AC1-002 Visibility forecast

Co-orbital & Co-planar RSOs

Check out AC1-002, 66745 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 21 hours ago