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FLOCK 4H 3, 66706

Orbit data source: Space-Track

FLOCK 4H 3, 66706 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/66706?theme=dark&initialShowStats=false

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Identifier

66706, 2025-276AS

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: 23 hours ago

TLE from 23 hours ago

0 FLOCK 4H 3
1 66706U 25276AS  26034.15336451  .00008049  00000-0  39722-3 0  9997
2 66706  97.4378 110.0350 0005482 106.5583 253.6254 15.18145623 10073

Epoch: 2026-02-03T03:40Z

TLE epoch observation values (Epoch: 2026-02-03T03:40:50.693Z)

Latitude

0.00001°

Longitude

-78.51461°

Altitude

515.599 km

Speed

7.605 km/s

True Right ascension

07h 20m 08s

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

04:10:19

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

512.19 km

Perigee altitude

504.64 km

Semi-major axis

6,886.552 km

Eccentricity

0.00055

Inclination

97.4378°

RAAN

110.035°

Arg. of periapsis

106.5583°

True anomaly

253.56514°

Mean anomaly

253.6254°

Eccentric anomaly

253.59527°

Mean motion

3.79787 °/min

Orbital period

94.79 mins

BSTAR

0.00039722

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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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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 3 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 05:06:44.801Z	174.904° S	2026-02-04 05:09:44.801Z	229.339° WSW	42.895°	2026-02-04 05:12:44.801Z	341.422° N
5 mins	2026-02-04 18:12:44.801Z	351.573° N	2026-02-04 18:14:44.801Z	308.906° NW	33.205°	2026-02-04 18:17:44.801Z	220.307° SW

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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 3, 66706 on other resources

View FLOCK 4H 3, 66706 on NASA - NSSDCA Website

View FLOCK 4H 3, 66706 on Heavens-Above

View FLOCK 4H 3, 66706 on Keep Track

View FLOCK 4H 3, 66706 on Celestrak

View FLOCK 4H 3, 66706 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 3, 66706

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 23 hours ago

TLE from 23 hours ago

TLE epoch observation values (Epoch: 2026-02-03T03:40:50.693Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

FLOCK 4H 3 Visibility forecast

Co-orbital & Co-planar RSOs

Check out FLOCK 4H 3, 66706 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 23 hours ago