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FLOCK 4H 6, 66709

Orbit data source: Space-Track

FLOCK 4H 6, 66709 is a payload satellite owned by Planet (US) 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 src="https://www.satcat.com/sats-embedded/66709?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/66709?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

66709, 2025-276AV

Orbit

SSO

Country

Related business

Planet Labs PBC (US)

Manufacturer

Planet

Mission

Operational Commercial Imaging

Bus & Motor

CUBESAT 3U, Unknown motor

Mass

5.7 kg wet, 5.7 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

Box + 2 Pan, 1.0 m

Radar Cross Section

0.072 m², Medium (>0.1 m² and < 1m²)

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

TLE from 13 hours ago

0 FLOCK 4H 6
1 66709U 25276AV  26192.76228209  .00003905  00000-0  18145-3 0  9995
2 66709  97.4225 266.1255 0002107 219.5995 140.5087 15.20577664 34168

Epoch: 2026-07-11T18:17Z

TLE epoch observation values (Epoch: 2026-07-11T18:17:41.172Z)

Latitude

-0°

Longitude

62.0331°

Altitude

508.307 km

Speed

7.609 km/s

True Right ascension

17h 44m 30s

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

19:42:33

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

502.512 km

Perigee altitude

499.613 km

Semi-major axis

6,879.2 km

Eccentricity

0.00021

Inclination

97.4225°

RAAN

266.1255°

Arg. of periapsis

219.5995°

True anomaly

140.52405°

Mean anomaly

140.5087°

Eccentric anomaly

140.51638°

Mean motion

3.80396 °/min

Orbital period

94.64 mins

BSTAR

0.00018145

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

FLOCK 4H 32, 66735

FOSSASAT2E24, 66780

GYEONGGISAT-1, 66771

LEMUR-2-CELIJO-SB-PK, 66781

LEMUR-2-STARLIGHT, 66783

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

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FLOCK 4H 6 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.
4 mins	2026-07-12 16:59:12.047Z	51.738° ENE	2026-07-12 17:01:12.047Z	88.565° E	18.631°	2026-07-12 17:03:12.047Z	130.042° SE
5 mins	2026-07-13 05:11:12.047Z	187.663° SSW	2026-07-13 05:13:12.047Z	287.256° WNW	40.65°	2026-07-13 05:16:12.047Z	340.188° N

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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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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

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Check out FLOCK 4H 6, 66709 on other resources

View FLOCK 4H 6, 66709 on NASA - NSSDCA Website

View FLOCK 4H 6, 66709 on Heavens-Above

View FLOCK 4H 6, 66709 on Keep Track

View FLOCK 4H 6, 66709 on Celestrak

View FLOCK 4H 6, 66709 on Gunter's Space Page

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

FLOCK 4H 6, 66709

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: 2026-07-11T18:17:41.172Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

FLOCK 4H 6 Visibility forecast

Co-orbital & Co-planar RSOs

Check out FLOCK 4H 6, 66709 on other resources

Documentation

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