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FLOCK 4H 30, 66733

Orbit data source: Space-Track

FLOCK 4H 30, 66733 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/66733?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/66733?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

66733, 2025-276BV

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 30
1 66733U 25276BV  26238.18695884  .00005685  00000-0  26221-3 0  9997
2 66733  97.4191 310.6632 0005852 118.6995 241.4829 15.20626477 41058

Epoch: 2026-08-26T04:29Z

TLE epoch observation values (Epoch: 2026-08-26T04:29:13.243Z)

Latitude

-0.00007°

Longitude

-91.08553°

Altitude

508.966 km

Speed

7.608 km/s

True Right ascension

20h 42m 39s

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

15:13:54

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

504.941 km

Perigee altitude

496.89 km

Semi-major axis

6,879.052 km

Eccentricity

0.00059

Inclination

97.4191°

RAAN

310.6632°

Arg. of periapsis

118.6995°

True anomaly

241.424°

Mean anomaly

241.4829°

Eccentric anomaly

241.45345°

Mean motion

3.80409 °/min

Orbital period

94.64 mins

BSTAR

0.00026221

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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 30 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 04:19:25.316Z	121.682° SE	2026-08-27 04:21:25.316Z	79.612° E	24.466°	2026-08-27 04:24:25.316Z	15.904° NNE
5 mins	2026-08-27 17:23:25.316Z	37.591° NE	2026-08-27 17:25:25.316Z	90.813° ESE	32.745°	2026-08-27 17:28:25.316Z	165.873° S

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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 30, 66733 on other resources

View FLOCK 4H 30, 66733 on NASA - NSSDCA Website

View FLOCK 4H 30, 66733 on Heavens-Above

View FLOCK 4H 30, 66733 on Keep Track

View FLOCK 4H 30, 66733 on Celestrak

View FLOCK 4H 30, 66733 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 30, 66733

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: 2026-08-26T04:29:13.243Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

FLOCK 4H 30 Visibility forecast

Co-orbital & Co-planar RSOs

Check out FLOCK 4H 30, 66733 on other resources

Documentation

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