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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 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 (4 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

Expand to show TLE details & history
Last TLE update: 21 hours ago

TLE from 21 hours ago

0 FLOCK 4H 30
1 66733U 25276BV  26092.15286607  .00008012  00000-0  38695-3 0  9996
2 66733  97.4268 167.0109 0002826 274.9402  85.1509 15.18910996 18874

Epoch: 2026-04-02T03:40Z

TLE epoch observation values (Epoch: 2026-04-02T03:40:07.628Z)

Latitude

-0.0001°

Longitude

-78.52631°

Altitude

512.055 km

Speed

7.608 km/s

True Right ascension

11h 08m 02s

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

06:26:34

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

508.044 km

Perigee altitude

504.153 km

Semi-major axis

6,884.236 km

Eccentricity

0.00028

Inclination

97.4268°

RAAN

167.0109°

Arg. of periapsis

274.9402°

True anomaly

85.18317°

Mean anomaly

85.1509°

Eccentric anomaly

85.16703°

Mean motion

3.79979 °/min

Orbital period

94.74 mins

BSTAR

0.00038695

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

PELICAN-6 300D, 66703

LEMUR-2-HOTSPUR-TOM, 66786

LEMUR-2-DEANANDMAEVE, 66678

BRO-20, 66674

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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.
6 mins	2026-04-03 05:05:34.217Z	174.834° S	2026-04-03 05:08:34.217Z	272.506° WNW	43.588°	2026-04-03 05:11:34.217Z	342.804° N
5 mins	2026-04-03 18:11:34.217Z	345.338° N	2026-04-03 18:13:34.217Z	276.556° WNW	35.003°	2026-04-03 18:16:34.217Z	214.894° SW

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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: 21 hours ago

TLE from 21 hours ago

TLE epoch observation values (Epoch: 2026-04-02T03:40:07.628Z)

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: 21 hours ago