FLOCK 4Y-28 (55033)

COSPAR: 2023-001AA | Alt Name: Flock 4y-28
DECAYED

Image
FLOCK 4Y-28 Satellite Image
Additional Sources
Launch Details

Launch Date

January 3, 2023

Launch Pad

LC40

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

55033

International Designator

2023-001AA

Decay Date

2/12/2025

Basic Satellite Info

Name

FLOCK 4Y-28

Alternative Name

Flock 4y-28

Type

Payload

Status

Decayed

Owner

PLAN

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Summary
The satellite FLOCK 4Y-28 (OBJECT_ID: 2023-001AA) is a CubeSat 3U configuration manufactured by PLAN and launched on January 3, 2023, from the AFETR launch site at LC40 using a Falcon 9 launch vehicle. It has dimensions of 0.3 meters in length and diameter, with a span also measuring 0.3 meters, and carries a PS0, PS1 or PS2 imaging payload under its Dove 24b1 designation. The satellite weighs 5.7 kilograms both at launch and dry mass, is powered by solar cells and batteries, and has no motor except for the FEEP variant (#Flock-3p'). Its mission purpose is technology-related, with an expected lifetime of about one year in ISS orbit or two to three years in SSO (Sun-Synchronous Orbit). The satellite's shape includes a box design with two panels.
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 24b1

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.

X Report 25 Feb 2025

X Report 25 Feb 2025

SpaceX has completed the investigation into Starship Flight 7, announcing causes ahead of the next planned launch, while numerous missions are lined up for launch this week.

Falcon 9 Resumes Flights, Starbase Approved to Double in Size | KeepTrack X Report

Falcon 9 Resumes Flights, Starbase Approved to Double in Size | KeepTrack X Report

Falcon 9 resumes flights with 25 Starlink satellites from Vandenberg. SpaceX test-fires rocket ahead of Crew-12 launch. Starbase approved to nearly double its launch site footprint.

The Dog They Never Planned to Bring Home

The Dog They Never Planned to Bring Home

On April 14, 1958, Sputnik 2 burned up over the North Atlantic, carrying the remains of a stray dog from Moscow who had been dead for five months. The Soviet Union told the world she survived for days. It took forty-five years for the truth to come out.

Space Brief 26 Jul 2025

Space Brief 26 Jul 2025

Today's brief highlights the maiden flight of Blue Origin's Blue Ring spacecraft with a new AI-driven space sensor, debates on asteroid defense responsibilities, and updates on the U.S. Space Force's missile shield leadership.

Space Brief 27 Feb 2025

Space Brief 27 Feb 2025

Today's highlights include Rocket Lab's progress on the Space Force's VICTUS HAZE mission, BlackSky's new government contract, and AEI's policy recommendations for Space Force restructuring.

China Launches VLEO Alliance With Sats Below 300km | KeepTrack Space Brief

China Launches VLEO Alliance With Sats Below 300km | KeepTrack Space Brief

China formalized a national VLEO industry alliance with multiple satellites sustaining operations below 300 kilometers altitude. Propulsion startups attracting investment.

Japan's H3 Returns to Flight With 6 Satellites | KeepTrack Space Brief

Japan's H3 Returns to Flight With 6 Satellites | KeepTrack Space Brief

Japan's H3 rocket successfully launched June 11, deploying 6 smallsats to orbit after December failure. First return-to-flight for JAXA's flagship heavy-lift vehicle.

X Report 28 Dec 2025

X Report 28 Dec 2025

SpaceX scrubs a launch due to ground system issues while continuing its ambitious deployment of Starlink satellites.