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FLOCK 4H 23, 66726

Orbit data source: Space-Track

FLOCK 4H 23, 66726 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/66726?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

66726, 2025-276BN

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: 8 hours ago

TLE from 8 hours ago

0 FLOCK 4H 23
1 66726U 25276BN  26239.18724014  .00006515  00000-0  30075-3 0  9993
2 66726  97.4200 311.6460 0006140 104.9709 255.2207 15.20534869 41206

Epoch: 2026-08-27T04:29Z

TLE epoch observation values (Epoch: 2026-08-27T04:29:37.548Z)

Latitude

0.00006°

Longitude

-91.18994°

Altitude

508.397 km

Speed

7.609 km/s

True Right ascension

20h 46m 35s

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

03:52:41

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

505.416 km

Perigee altitude

496.968 km

Semi-major axis

6,879.329 km

Eccentricity

0.00061

Inclination

97.42°

RAAN

311.646°

Arg. of periapsis

104.9709°

True anomaly

255.15268°

Mean anomaly

255.2207°

Eccentric anomaly

255.18669°

Mean motion

3.80386 °/min

Orbital period

94.64 mins

BSTAR

0.00030075

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

LEMUR-2-STAS-GORBUK, 66686

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FLOCK 4H 23 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 17:41:08.096Z	15.778° NNE	2026-08-27 17:44:08.096Z	49.288° ENE	42.557°	2026-08-27 17:48:08.096Z	187.702° SSW
5 mins	2026-08-28 04:20:08.096Z	119.052° SE	2026-08-28 04:22:08.096Z	72.646° E	24.932°	2026-08-28 04:25:08.096Z	13.489° NNE

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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 23, 66726 on other resources

View FLOCK 4H 23, 66726 on NASA - NSSDCA Website

View FLOCK 4H 23, 66726 on Heavens-Above

View FLOCK 4H 23, 66726 on Keep Track

View FLOCK 4H 23, 66726 on Celestrak

View FLOCK 4H 23, 66726 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 23, 66726

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2026-08-27T04:29:37.548Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

FLOCK 4H 23 Visibility forecast

Co-orbital & Co-planar RSOs

Check out FLOCK 4H 23, 66726 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 8 hours ago