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FLOCK 4H 5, 66708

Orbit data source: Space-Track

FLOCK 4H 5, 66708 is a payload satellite owned by Planet (TW) 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/66708?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

66708, 2025-276AU

Orbit

SSO

Country

TW / TWN

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 (7 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: 12 hours ago

TLE from 12 hours ago

0 FLOCK 4H 5
1 66708U 25276AU  26171.46396779  .00004305  00000-0  19937-3 0  9991
2 66708  97.4173 245.1175 0000993  75.1485 284.9860 15.20633080 30936

Epoch: 2026-06-20T11:08Z

TLE epoch observation values (Epoch: 2026-06-20T11:08:06.817Z)

Latitude

-0.00003°

Longitude

169.41088°

Altitude

506.844 km

Speed

7.611 km/s

True Right ascension

16h 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

10:18:51

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

501.578 km

Perigee altitude

500.212 km

Semi-major axis

6,879.032 km

Eccentricity

0.0001

Inclination

97.4173°

RAAN

245.1175°

Arg. of periapsis

75.1485°

True anomaly

284.97501°

Mean anomaly

284.986°

Eccentric anomaly

284.9805°

Mean motion

3.8041 °/min

Orbital period

94.63 mins

BSTAR

0.00019937

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

LEMUR-2-CELIJO-SB-PK, 66781

IMPULSE-3 MIRA, 66687

FORESAIL-1 PRIME, 66778

VEERY-0G, 66675

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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 5 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	2026-06-21 04:38:36.656Z	143.928° SSE	2026-06-21 04:41:36.656Z	55.346° ENE	35.541°	2026-06-21 04:44:36.656Z	0.954° NNE
5 mins	2026-06-21 17:43:36.656Z	21.024° NNE	2026-06-21 17:45:36.656Z	148.812° SSE	42.955°	2026-06-21 17:48:36.656Z	187.135° 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 5, 66708 on other resources

View FLOCK 4H 5, 66708 on NASA - NSSDCA Website

View FLOCK 4H 5, 66708 on Heavens-Above

View FLOCK 4H 5, 66708 on Keep Track

View FLOCK 4H 5, 66708 on Celestrak

View FLOCK 4H 5, 66708 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 5, 66708

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-06-20T11:08:06.817Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

FLOCK 4H 5 Visibility forecast

Co-orbital & Co-planar RSOs

Check out FLOCK 4H 5, 66708 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 12 hours ago