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FLOCK 4H 31, 66734

Orbit data source: Space-Track

FLOCK 4H 31, 66734 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/66734?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

66734, 2025-276BW

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 (6 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: 1 day ago

TLE from 1 day ago

0 FLOCK 4H 31
1 66734U 25276BW  26144.13370882  .00004887  00000-0  23456-3 0  9997
2 66734  97.4171 217.9357 0005474 102.7178 257.4669 15.19316260 26761

Epoch: 2026-05-24T03:12Z

TLE epoch observation values (Epoch: 2026-05-24T03:12:32.442Z)

Latitude

0.00001°

Longitude

-71.9397°

Altitude

511.815 km

Speed

7.607 km/s

True Right ascension

14h 31m 44s

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

13:36:54

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

508.641 km

Perigee altitude

501.105 km

Semi-major axis

6,883.01 km

Eccentricity

0.00055

Inclination

97.4171°

RAAN

217.9357°

Arg. of periapsis

102.7178°

True anomaly

257.40568°

Mean anomaly

257.4669°

Eccentric anomaly

257.43629°

Mean motion

3.8008 °/min

Orbital period

94.72 mins

BSTAR

0.00023456

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

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FLOCK 4H 31 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	2026-05-25 04:37:16.699Z	148.984° SSE	2026-05-25 04:41:16.699Z	47.925° ENE	35.185°	2026-05-25 04:44:16.699Z	0.061° NNE
5 mins	2026-05-25 17:43:16.699Z	17.385° NNE	2026-05-25 17:45:16.699Z	61.235° ENE	43.927°	2026-05-25 17:48:16.699Z	187.49° SSW
4 mins	2026-05-26 04:22:16.699Z	108.963° ESE	2026-05-26 04:23:16.699Z	83.088° E	25.503°	2026-05-26 04:26:16.699Z	15.703° 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 31, 66734 on other resources

View FLOCK 4H 31, 66734 on NASA - NSSDCA Website

View FLOCK 4H 31, 66734 on Heavens-Above

View FLOCK 4H 31, 66734 on Keep Track

View FLOCK 4H 31, 66734 on Celestrak

View FLOCK 4H 31, 66734 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 31, 66734

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-05-24T03:12:32.442Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

FLOCK 4H 31 Visibility forecast

Co-orbital & Co-planar RSOs

Check out FLOCK 4H 31, 66734 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago