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FLOCK 4H 12, 66715

Orbit data source: Space-Track

FLOCK 4H 12, 66715 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 embed code

<iframe src="https://www.satcat.com/sats-embedded/66715?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/66715?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

66715, 2025-276BB

Orbit

SSO

Country

US

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 (2 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: 23 hours ago

TLE from 23 hours ago

0 FLOCK 4H 12
1 66715U 25276BB  26034.25885987  .00007032  00000-0  34180-3 0  9995
2 66715  97.4328 110.1483 0003611  84.4854 275.6792 15.18730734 10404

Epoch: 2026-02-03T06:12Z

TLE epoch observation values (Epoch: 2026-02-03T06:12:45.492Z)

Latitude

-0.00006°

Longitude

-116.48361°

Altitude

512.518 km

Speed

7.608 km/s

True Right ascension

07h 20m 35s

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

07:05:30

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

509.13 km

Perigee altitude

504.158 km

Semi-major axis

6,884.781 km

Eccentricity

0.00036

Inclination

97.4328°

RAAN

110.1483°

Arg. of periapsis

84.4854°

True anomaly

275.63802°

Mean anomaly

275.6792°

Eccentric anomaly

275.65861°

Mean motion

3.79934 °/min

Orbital period

94.75 mins

BSTAR

0.0003418

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

FORMOSAT-8A, 66666

LEMUR-2-STAS-GORBUK, 66686

FLOCK 4H 17, 66720

FLOCK 4H 18, 66721

IHI-SAT2, 66772

IRIDE FM2, 66696

FLOCK 4H 23, 66726

OBJECT F, 66671

OBJECT V, 66685

OBJECT X, 66687

PIAST-S1, 66749

OBJECT L, 66676

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

FLOCK 4H 12 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	2026-02-04 17:34:26.557Z	26.509° NE	2026-02-04 17:36:26.557Z	66.962° ENE	37.433°	2026-02-04 17:40:26.557Z	178.575° S

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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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Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out FLOCK 4H 12, 66715 on other resources

View FLOCK 4H 12, 66715 on NASA - NSSDCA Website

View FLOCK 4H 12, 66715 on Heavens-Above

View FLOCK 4H 12, 66715 on Keep Track

View FLOCK 4H 12, 66715 on Celestrak

View FLOCK 4H 12, 66715 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

Documentation

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