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FLOCK 4H 4, 66707

Orbit data source: Space-Track

FLOCK 4H 4, 66707 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/66707?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

66707, 2025-276AT

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 (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: 19 hours ago

TLE from 19 hours ago

0 FLOCK 4H 4
1 66707U 25276AT  26238.20480400  .00006294  00000-0  29102-3 0  9995
2 66707  97.4187 310.6157 0006224 112.7558 247.4335 15.20492045 41050

Epoch: 2026-08-26T04:54Z

TLE epoch observation values (Epoch: 2026-08-26T04:54:55.065Z)

Latitude

-0.00009°

Longitude

-97.57488°

Altitude

509.093 km

Speed

7.609 km/s

True Right ascension

20h 42m 27s

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

15:15:13

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

505.603 km

Perigee altitude

497.039 km

Semi-major axis

6,879.458 km

Eccentricity

0.00062

Inclination

97.4187°

RAAN

310.6157°

Arg. of periapsis

112.7558°

True anomaly

247.36766°

Mean anomaly

247.4335°

Eccentric anomaly

247.40058°

Mean motion

3.80375 °/min

Orbital period

94.64 mins

BSTAR

0.00029102

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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 4 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.
7 mins	2026-08-27 04:43:43.896Z	154.542° SSE	2026-08-27 04:46:43.896Z	108.564° ESE	39.196°	2026-08-27 04:50:43.896Z	355.937° N
6 mins	2026-08-27 17:48:43.896Z	10.931° NNE	2026-08-27 17:51:43.896Z	199.548° SSW	42.216°	2026-08-27 17:54:43.896Z	194.156° 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 4, 66707 on other resources

View FLOCK 4H 4, 66707 on NASA - NSSDCA Website

View FLOCK 4H 4, 66707 on Heavens-Above

View FLOCK 4H 4, 66707 on Keep Track

View FLOCK 4H 4, 66707 on Celestrak

View FLOCK 4H 4, 66707 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 4, 66707

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 19 hours ago

TLE from 19 hours ago

TLE epoch observation values (Epoch: 2026-08-26T04:54:55.065Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

FLOCK 4H 4 Visibility forecast

Co-orbital & Co-planar RSOs

Check out FLOCK 4H 4, 66707 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 19 hours ago