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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 (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: 13 hours ago

TLE from 13 hours ago

0 FLOCK 4H 30
1 66733U 25276BV  26192.77455189  .00003956  00000-0  18608-3 0  9992
2 66733  97.4229 265.9687 0002635 285.7448  74.3497 15.20138710 34152

Epoch: 2026-07-11T18:35Z

TLE epoch observation values (Epoch: 2026-07-11T18:35:21.283Z)

Latitude

0.00005°

Longitude

57.44707°

Altitude

508.023 km

Speed

7.61 km/s

True Right ascension

17h 43m 52s

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

19:40:24

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

504.201 km

Perigee altitude

500.575 km

Semi-major axis

6,880.525 km

Eccentricity

0.00026

Inclination

97.4229°

RAAN

265.9687°

Arg. of periapsis

285.7448°

True anomaly

74.37878°

Mean anomaly

74.3497°

Eccentric anomaly

74.36424°

Mean motion

3.80286 °/min

Orbital period

94.67 mins

BSTAR

0.00018608

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

LEMUR-2-CELIJO-SB-PK, 66781

LEMUR-2-STARLIGHT, 66783

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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	2026-07-12 17:17:03.160Z	40.159° NE	2026-07-12 17:19:03.160Z	83.975° E	28.346°	2026-07-12 17:22:03.160Z	157.697° S
5 mins	2026-07-13 05:29:03.160Z	209.44° SW	2026-07-13 05:31:03.160Z	263.764° W	29.358°	2026-07-13 05:34:03.160Z	326.637° NNW

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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: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2026-07-11T18:35:21.283Z)

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: 13 hours ago