Showing default

FLOCK 4H 6, 66709

Orbit data source: Space-Track

FLOCK 4H 6, 66709 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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/66709?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/66709?theme=dark&initialShowStats=false

Optional secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

66709, 2025-276AV

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 (9 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, Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 22 hours ago

TLE from 22 hours ago

0 FLOCK 4H 6
1 66709U 25276AV  26238.16183066  .00005986  00000-0  27258-3 0  9997
2 66709  97.4185 310.8339 0004886  92.9295 267.2500 15.21047518 41060

Epoch: 2026-08-26T03:53Z

TLE epoch observation values (Epoch: 2026-08-26T03:53:02.169Z)

Latitude

0.00002°

Longitude

-81.84393°

Altitude

505.934 km

Speed

7.611 km/s

True Right ascension

20h 43m 20s

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

17:12:16

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

503.005 km

Perigee altitude

496.284 km

Semi-major axis

6,877.782 km

Eccentricity

0.00049

Inclination

97.4185°

RAAN

310.8339°

Arg. of periapsis

92.9295°

True anomaly

267.19408°

Mean anomaly

267.25°

Eccentric anomaly

267.22204°

Mean motion

3.80514 °/min

Orbital period

94.61 mins

BSTAR

0.00027258

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

LEMUR-2-CELIJO-SB-PK, 66781

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 6 Visibility forecast

Loading observer location...
Set Observer location

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.
5 mins	2026-08-27 05:17:27.718Z	197.872° SSW	2026-08-27 05:19:27.718Z	280.042° WNW	36.736°	2026-08-27 05:22:27.718Z	336.108° NNW
4 mins	2026-08-27 18:21:27.718Z	329.929° NNW	2026-08-27 18:22:27.718Z	302.501° NW	27.911°	2026-08-27 18:25:27.718Z	228.575° WSW

Items per page:

1–2 of 2 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign in to view Co-orbital & Co-planar RSOs.

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

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in descending order

Check out FLOCK 4H 6, 66709 on other resources

View FLOCK 4H 6, 66709 on NASA - NSSDCA Website

View FLOCK 4H 6, 66709 on Heavens-Above

View FLOCK 4H 6, 66709 on Keep Track

View FLOCK 4H 6, 66709 on Celestrak

View FLOCK 4H 6, 66709 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 6, 66709

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 22 hours ago

TLE from 22 hours ago

TLE epoch observation values (Epoch: 2026-08-26T03:53:02.169Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

FLOCK 4H 6 Visibility forecast

Co-orbital & Co-planar RSOs

Check out FLOCK 4H 6, 66709 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 22 hours ago