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FLOCK 4H 13, 66716

Orbit data source: Space-Track

FLOCK 4H 13, 66716 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/66716?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/66716?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

66716, 2025-276BC

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: 16 hours ago

TLE from 16 hours ago

0 FLOCK 4H 13
1 66716U 25276BC  26092.14163669  .00007569  00000-0  35646-3 0  9997
2 66716  97.4262 167.1622 0001759 148.9996 211.1343 15.19807213 18888

Epoch: 2026-04-02T03:23Z

TLE epoch observation values (Epoch: 2026-04-02T03:23:57.410Z)

Latitude

-0°

Longitude

-74.32138°

Altitude

510.549 km

Speed

7.608 km/s

True Right ascension

11h 08m 38s

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

01:13:22

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

504.6 km

Perigee altitude

502.179 km

Semi-major axis

6,881.527 km

Eccentricity

0.00018

Inclination

97.4262°

RAAN

167.1622°

Arg. of periapsis

148.9996°

True anomaly

211.12388°

Mean anomaly

211.1343°

Eccentric anomaly

211.12909°

Mean motion

3.80203 °/min

Orbital period

94.69 mins

BSTAR

0.00035646

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

FORESAIL-1 PRIME, 66778

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FLOCK 4H 13 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	2026-04-03 04:48:13.710Z	156.738° SSE	2026-04-03 04:51:13.710Z	112.191° ESE	40.702°	2026-04-03 04:55:13.710Z	354.432° N
5 mins	2026-04-03 17:54:13.710Z	6.828° NNE	2026-04-03 17:56:13.710Z	244.015° WSW	44.266°	2026-04-03 17:59:13.710Z	197.091° SSW

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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 13, 66716 on other resources

View FLOCK 4H 13, 66716 on NASA - NSSDCA Website

View FLOCK 4H 13, 66716 on Heavens-Above

View FLOCK 4H 13, 66716 on Keep Track

View FLOCK 4H 13, 66716 on Celestrak

View FLOCK 4H 13, 66716 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 13, 66716

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 16 hours ago

TLE from 16 hours ago

TLE epoch observation values (Epoch: 2026-04-02T03:23:57.410Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

FLOCK 4H 13 Visibility forecast

Co-orbital & Co-planar RSOs

Check out FLOCK 4H 13, 66716 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 16 hours ago