Showing default

AC1-001, 66744

Orbit data source: Space-Track

AC1-001, 66744 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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/66744?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/66744?theme=dark&initialShowStats=false

Optional secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

66744, 2025-276CG

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: 1 day ago

TLE from 1 day ago

0 AC1-001
1 66744U 25276CG  26238.28705678  .00002067  00000-0  10314-3 0  9990
2 66744  97.4157 310.2925 0004374 108.3982 251.7728 15.18605874 41049

Epoch: 2026-08-26T06:53Z

TLE epoch observation values (Epoch: 2026-08-26T06:53:21.705Z)

Latitude

-0.00007°

Longitude

-127.59015°

Altitude

514.085 km

Speed

7.606 km/s

True Right ascension

20h 41m 10s

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

22:31:41

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

510.033 km

Perigee altitude

504.01 km

Semi-major axis

6,885.158 km

Eccentricity

0.00044

Inclination

97.4157°

RAAN

310.2925°

Arg. of periapsis

108.3982°

True anomaly

251.7252°

Mean anomaly

251.7728°

Eccentric anomaly

251.749°

Mean motion

3.79903 °/min

Orbital period

94.76 mins

BSTAR

0.00010314

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

ION-SCV-021, 67483

NUSAT-51 (YVONNE BRILL), 66740

FORESAIL-1 PRIME, 66778

VEERY-0G, 66675

FOSSASAT2E22, 66779

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

AC1-001 Visibility forecast

Loading observer location...
Set Observer location

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	2026-08-27 18:15:00.160Z	344.426° N	2026-08-27 18:17:00.160Z	295.228° NW	30.48°	2026-08-27 18:20:00.160Z	223.915° SW
6 mins	2026-08-28 04:53:00.160Z	163.593° S	2026-08-28 04:56:00.160Z	7.667° NNE	43.205°	2026-08-28 04:59:00.160Z	349.982° N

Items per page:

1–2 of 2 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in descending order

Check out AC1-001, 66744 on other resources

View AC1-001, 66744 on NASA - NSSDCA Website

View AC1-001, 66744 on Heavens-Above

View AC1-001, 66744 on Keep Track

View AC1-001, 66744 on Celestrak

View AC1-001, 66744 on Gunter's Space Page

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

AC1-001, 66744

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-08-26T06:53:21.705Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

AC1-001 Visibility forecast

Co-orbital & Co-planar RSOs

Check out AC1-001, 66744 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago