FLOCK 4Y-3 (55035)

COSPAR: 2023-001AC | Alt Name: Flock 4y-3

DECAYED

Image

Additional Sources

Launch Details

Launch Date

January 3, 2023

Launch Site

Cape Canaveral Space Force Station

Launch Pad

LC40

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

55035

International Designator

2023-001AC

Decay Date

11/26/2024

Explore in the Catalog

Cubesat 3U bus Planet Labs Planet Flock constellation United States satellites Payloads

Basic Satellite Info

Name

FLOCK 4Y-3

Alternative Name

Flock 4y-3

Type

Payload

Status

Decayed

Owner

PLAN

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Summary

The FLOCK 4Y-3 satellite, also known as Flock 4y-3, was launched on January 3, 2023, from the Air Force Eastern Test Range (AFETR) Launch Complex 40 using a Falcon 9 launch vehicle. It is a CubeSat with a configuration of 3U and belongs to the PLAN (Planet Labs) constellation. The satellite has dimensions of 0.3 meters in length, 0.1 meters in diameter, and 0.3 meters in span. Its dry mass is 5.7 kg and its launch mass is also 5.7 kg. It is equipped with a PS0, PS1 or PS2 imaging payload known as Dove 242e for technology purposes. The satellite's power supply comes from solar cells and batteries. The expected lifetime of the FLOCK 4Y-3 ranges from about one year in ISS orbit to two to three years in Sun-Synchronous Orbit (SSO).

Physical Characteristics

Length

0.3

Diameter

0.1

Span

0.3

Dry Mass

5.7

Launch Mass

5.7

Shape

Box+2 pan

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Dove 242e

Purpose

Technology

Mission

Technology

Manufacturer

PLAN

Life Expectancy

~ 1 year (ISS orbit); 2-3 years (SSO)

Bus

Cubesat 3U

Configuration

CubeSat (3U)

Motor

None (most); FEEP (#Flock-3p')

Equipment

PS0, PS1 or PS2 imaging payload

Power System

Solar cells, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Satellite Articles

View All Posts »

Learn more about satellites and other related topics.

The Day That Humans Discovered Rocket Fuel

On February 2, 1909, Robert Goddard made a revolutionary breakthrough in his notebook: liquid oxygen and liquid hydrogen could achieve 50% efficiency in converting heat energy to kinetic energy for rocket propulsion

CelesTrak.org

An in-depth look at CelesTrak, the leading non-profit provider of orbital element sets and collision assessment tools, trusted by space professionals worldwide.

Space Brief 15 Aug 2025

Discover the latest in space news with the ULA's recent launch for the US Space Force, significant developments in radar tracking at high altitudes, and impactful policy changes involving military space missions.

Space Force Eyes 30,000 Satellites by 2040 | KeepTrack Space Brief

Space Force projects 30,000-satellite orbital architecture by 2040 amid combat integration revelations. Gen. Saltzman confirms space operations were critical in Iran conflict.

X Report 6 Sep 2025

SpaceX successfully launched 28 Starlink satellites, marking a significant milestone with its 500th Falcon rocket landing. Meanwhile, the Starship program reflects on its journey through ten flights, and competition with Amazon's Project Kuiper heats up as JetBlue opts for their in-flight Wi-Fi service.

X Report 4 May 2025

Today's brief highlights the successful launch of 29 Starlink satellites, progress on the Starship fleet, and ongoing adjustments in SpaceX's launch schedules.

Space Brief 18 Aug 2025

Today's Space Brief covers significant satellite launches by SpaceX, an automated collision avoidance system development, Rocket Lab's strategic acquisition, and the rise of corporate-named satellites in orbit.

X Report 4 Nov 2025

Tesla's Cybertruck fleet integrates with SpaceX operations at Starbase, showcasing synergy between Musk's companies.