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FLOCK 4H 10, 66713

Orbit data source: Space-Track

FLOCK 4H 10, 66713 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/66713?theme=dark&initialShowStats=false

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Identifier

66713, 2025-276AZ

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: 14 hours ago

TLE from 14 hours ago

0 FLOCK 4H 10
1 66713U 25276AZ  26092.15120976  .00008030  00000-0  38762-3 0  9995
2 66713  97.4231 166.9464 0003125 262.7584  97.3296 15.18926704 18875

Epoch: 2026-04-02T03:37Z

TLE epoch observation values (Epoch: 2026-04-02T03:37:44.523Z)

Latitude

0.00006°

Longitude

-77.99293°

Altitude

512.447 km

Speed

7.607 km/s

True Right ascension

11h 07m 47s

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

23:29:47

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

508.202 km

Perigee altitude

503.9 km

Semi-major axis

6,884.188 km

Eccentricity

0.00031

Inclination

97.4231°

RAAN

166.9464°

Arg. of periapsis

262.7584°

True anomaly

97.36512°

Mean anomaly

97.3296°

Eccentric anomaly

97.34736°

Mean motion

3.79983 °/min

Orbital period

94.74 mins

BSTAR

0.00038762

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

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FLOCK 4H 10 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	2026-04-02 18:24:55.684Z	346.657° N	2026-04-02 18:27:55.684Z	284.85° WNW	26.059°	2026-04-02 18:30:55.684Z	228.264° WSW
5 mins	2026-04-03 05:03:55.684Z	174.159° S	2026-04-03 05:05:55.684Z	221.507° SW	43.992°	2026-04-03 05:08:55.684Z	343.925° N

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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 10, 66713 on other resources

View FLOCK 4H 10, 66713 on NASA - NSSDCA Website

View FLOCK 4H 10, 66713 on Heavens-Above

View FLOCK 4H 10, 66713 on Keep Track

View FLOCK 4H 10, 66713 on Celestrak

View FLOCK 4H 10, 66713 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 10, 66713

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 14 hours ago

TLE from 14 hours ago

TLE epoch observation values (Epoch: 2026-04-02T03:37:44.523Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

FLOCK 4H 10 Visibility forecast

Co-orbital & Co-planar RSOs

Check out FLOCK 4H 10, 66713 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 14 hours ago