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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 (2 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: 21 hours ago

TLE from 21 hours ago

0 FLOCK 4H 6
1 66709U 25276AV  26034.19946063  .00006586  00000-0  32189-3 0  9994
2 66709  97.4371 110.1177 0004631  87.0859 273.0905 15.18559346 10082

Epoch: 2026-02-03T04:47Z

TLE epoch observation values (Epoch: 2026-02-03T04:47:13.398Z)

Latitude

-0.00004°

Longitude

-95.07194°

Altitude

513.111 km

Speed

7.607 km/s

True Right ascension

07h 20m 28s

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

04:09:57

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

510.351 km

Perigee altitude

503.974 km

Semi-major axis

6,885.3 km

Eccentricity

0.00046

Inclination

97.4371°

RAAN

110.1177°

Arg. of periapsis

87.0859°

True anomaly

273.03751°

Mean anomaly

273.0905°

Eccentric anomaly

273.064°

Mean motion

3.79891 °/min

Orbital period

94.76 mins

BSTAR

0.00032189

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

LEMUR-2-STAS-GORBUK, 66686

LEMUR-2-DEANANDMAEVE, 66680

FLOCK 4H 5, 66708

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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.
6 mins	2026-02-04 04:38:22.584Z	144.993° SSE	2026-02-04 04:41:22.584Z	74.146° E	35.754°	2026-02-04 04:44:22.584Z	3.292° NNE
6 mins	2026-02-04 17:43:22.584Z	16.511° NNE	2026-02-04 17:46:22.584Z	90.444° ESE	43.969°	2026-02-04 17:49:22.584Z	186.356° 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 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: 21 hours ago

TLE from 21 hours ago

TLE epoch observation values (Epoch: 2026-02-03T04:47:13.398Z)

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: 21 hours ago