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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 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 (4 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

Expand to show TLE details & history
Last TLE update: 14 hours ago

TLE from 14 hours ago

0 FLOCK 4H 6
1 66709U 25276AV  26092.43430339  .00010379  00000-0  49333-3 0  9993
2 66709  97.4266 167.3938 0002373 210.6920 149.4176 15.19387419 18926

Epoch: 2026-04-02T10:25Z

TLE epoch observation values (Epoch: 2026-04-02T10:25:23.812Z)

Latitude

-0.00008°

Longitude

-179.73825°

Altitude

512.187 km

Speed

7.607 km/s

True Right ascension

11h 09m 34s

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

06:37:08

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

506.292 km

Perigee altitude

503.025 km

Semi-major axis

6,882.795 km

Eccentricity

0.00024

Inclination

97.4266°

RAAN

167.3938°

Arg. of periapsis

210.692°

True anomaly

149.43143°

Mean anomaly

149.4176°

Eccentric anomaly

149.42452°

Mean motion

3.80098 °/min

Orbital period

94.71 mins

BSTAR

0.00049333

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

LEMUR-2-DEANANDMAEVE, 66678

PELICAN-6 300D, 66703

FLOCK 4H 12, 66715

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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	2026-04-03 03:58:06.768Z	101.443° ESE	2026-04-03 04:00:06.768Z	67.479° ENE	14.737°	2026-04-03 04:02:06.768Z	33.437° NE
4 mins	2026-04-03 05:32:06.768Z	216.506° SW	2026-04-03 05:34:06.768Z	276.078° WNW	28.017°	2026-04-03 05:36:06.768Z	319.454° NNW
4 mins	2026-04-03 17:03:06.768Z	66.307° ENE	2026-04-03 17:04:06.768Z	88.136° E	19.773°	2026-04-03 17:07:06.768Z	144.673° SSE

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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 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: 14 hours ago

TLE from 14 hours ago

TLE epoch observation values (Epoch: 2026-04-02T10:25:23.812Z)

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: 14 hours ago