Showing default

FLOCK 4H 33, 66736

Orbit data source: Space-Track

FLOCK 4H 33, 66736 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/66736?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/66736?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

66736, 2025-276BY

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 (7 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: 14 hours ago

TLE from 14 hours ago

0 FLOCK 4H 33
1 66736U 25276BY  26192.74390229  .00003935  00000-0  17974-3 0  9997
2 66736  97.4220 266.2828 0002543 172.5742 187.5532 15.21163262 34175

Epoch: 2026-07-11T17:51Z

TLE epoch observation values (Epoch: 2026-07-11T17:51:13.157Z)

Latitude

-0.00003°

Longitude

68.82525°

Altitude

507.157 km

Speed

7.61 km/s

True Right ascension

17h 45m 07s

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

19:54:42

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

501.045 km

Perigee altitude

497.547 km

Semi-major axis

6,877.433 km

Eccentricity

0.00025

Inclination

97.422°

RAAN

266.2828°

Arg. of periapsis

172.5742°

True anomaly

187.54937°

Mean anomaly

187.5532°

Eccentric anomaly

187.55129°

Mean motion

3.80543 °/min

Orbital period

94.6 mins

BSTAR

0.00017974

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

FLOCK 4H 32, 66735

FOSSASAT2E24, 66780

LEMUR-2-STARLIGHT, 66783

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 33 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.
6 mins	2026-07-12 18:05:18.679Z	0.94° NNE	2026-07-12 18:08:18.679Z	305.37° NW	37.732°	2026-07-12 18:11:18.679Z	212.204° SW
5 mins	2026-07-13 04:44:18.679Z	138.878° SSE	2026-07-13 04:46:18.679Z	49.519° ENE	37.737°	2026-07-13 04:49:18.679Z	358.437° N

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 33, 66736 on other resources

View FLOCK 4H 33, 66736 on NASA - NSSDCA Website

View FLOCK 4H 33, 66736 on Heavens-Above

View FLOCK 4H 33, 66736 on Keep Track

View FLOCK 4H 33, 66736 on Celestrak

View FLOCK 4H 33, 66736 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 33, 66736

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: 2026-07-11T17:51:13.157Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

FLOCK 4H 33 Visibility forecast

Co-orbital & Co-planar RSOs

Check out FLOCK 4H 33, 66736 on other resources

Documentation

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