Showing default

AC1-003, 66689

Orbit data source: Space-Track

AC1-003, 66689 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/66689?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/66689?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

66689, 2025-276Z

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 (7 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, 0.5 m

Radar Cross Section

0.655 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 12 hours ago

TLE from 12 hours ago

0 AC1-003
1 66689U 25276Z   26192.77080502  .00001233  00000-0  63327-4 0  9990
2 66689  97.4200 265.6003 0001235 306.7768  53.3353 15.18328449 34137

Epoch: 2026-07-11T18:29Z

TLE epoch observation values (Epoch: 2026-07-11T18:29:57.553Z)

Latitude

-0.00001°

Longitude

58.43125°

Altitude

513.472 km

Speed

7.607 km/s

True Right ascension

17h 42m 24s

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

18:21:13

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

508.711 km

Perigee altitude

507.01 km

Semi-major axis

6,885.998 km

Eccentricity

0.00012

Inclination

97.42°

RAAN

265.6003°

Arg. of periapsis

306.7768°

True anomaly

53.34665°

Mean anomaly

53.3353°

Eccentric anomaly

53.34098°

Mean motion

3.79833 °/min

Orbital period

94.78 mins

BSTAR

0.000063327

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

OBJECT DD, 66765

GYEONGGISAT-1, 66771

OTTER SDM, 66678

LEMUR-2-TEODOR, 66768

LEMUR-2-VUKASIN, 66785

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

AC1-003 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	2026-07-12 17:13:05.456Z	39.496° NE	2026-07-12 17:16:05.456Z	111.637° ESE	27.017°	2026-07-12 17:18:05.456Z	153.358° SSE
5 mins	2026-07-13 05:26:05.456Z	206.86° SW	2026-07-13 05:28:05.456Z	260.555° W	30.415°	2026-07-13 05:31:05.456Z	326.871° NNW

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 AC1-003, 66689 on other resources

View AC1-003, 66689 on NASA - NSSDCA Website

View AC1-003, 66689 on Heavens-Above

View AC1-003, 66689 on Keep Track

View AC1-003, 66689 on Celestrak

View AC1-003, 66689 on Gunter's Space Page

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

AC1-003, 66689

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-07-11T18:29:57.553Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

AC1-003 Visibility forecast

Co-orbital & Co-planar RSOs

Check out AC1-003, 66689 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 12 hours ago