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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 src="https://www.satcat.com/sats-embedded/66706?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/66706?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

66706, 2025-276AS

Orbit

SSO

Country

Related business

Planet Labs PBC (US)

Manufacturer

Planet

Mission

Partially operational Commercial Imaging

Bus & Motor

CUBESAT 3U, Unknown motor

Mass

5.7 kg wet, 5.7 kg dry

Launch date (UTC)

2025-11-28 (9 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: 20 hours ago

TLE from 20 hours ago

0 FLOCK 4H 3
1 66706U 25276AS  26238.16326902  .00005815  00000-0  26770-3 0  9991
2 66706  97.4205 310.7301 0005637 111.6487 248.5349 15.20678046 41052

Epoch: 2026-08-26T03:55Z

TLE epoch observation values (Epoch: 2026-08-26T03:55:06.443Z)

Latitude

-0.00004°

Longitude

-82.46695°

Altitude

508.307 km

Speed

7.609 km/s

True Right ascension

20h 42m 55s

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

15:15:11

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

504.637 km

Perigee altitude

496.882 km

Semi-major axis

6,878.897 km

Eccentricity

0.00056

Inclination

97.4205°

RAAN

310.7301°

Arg. of periapsis

111.6487°

True anomaly

248.4748°

Mean anomaly

248.5349°

Eccentric anomaly

248.50485°

Mean motion

3.80421 °/min

Orbital period

94.63 mins

BSTAR

0.0002677

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

LEMUR-2-TEODOR, 66768

IRIDE FM4, 66698

MERCURY ONE (M1), 66742

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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.
5 mins	2026-08-27 05:19:42.352Z	199.417° SSW	2026-08-27 05:21:42.352Z	268.539° W	35.469°	2026-08-27 05:24:42.352Z	333.347° NNW
4 mins	2026-08-27 18:23:42.352Z	334.108° NNW	2026-08-27 18:25:42.352Z	279.881° WNW	26.586°	2026-08-27 18:27:42.352Z	235.162° WSW

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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: 20 hours ago

TLE from 20 hours ago

TLE epoch observation values (Epoch: 2026-08-26T03:55:06.443Z)

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: 20 hours ago