FLOCK 1E-5 (40728)

COSPAR: 1998-067GL | Alt Name: Flock 1e-5
DECAYED

Image
FLOCK 1E-5 Satellite Image
Additional Sources
Launch Details

Launch Date

November 20, 1998

Launch Pad

LC40

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

40728

International Designator

1998-067GL

Decay Date

6/20/2016

Basic Satellite Info

Name

FLOCK 1E-5

Alternative Name

Flock 1e-5

Type

Payload

Status

Decayed

Owner

PLABS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Summary
FLOCK 1E-5, also known as Flock 1e-5, is a CubeSat (3U) satellite developed and owned by PLABS in the US. It was launched on November 20, 1998, from LC40 at TYMSC using a Falcon 9 launch vehicle. The satellite has dimensions of 0.3 meters length, 0.1 meters diameter, and 0.3 meters span, with a dry mass of 4.5 kg and the same launch mass. Its primary mission is technology demonstration, equipped with PS0, PS1 or PS2 imaging payload known as Dove 0B07 for capturing Earth images. FLOCK 1E-5 uses solar cells and batteries for power generation and has a shape described as Box+2 pan. The expected lifetime ranges from about one year in ISS orbit to 2-3 years in Sun-Synchronous Orbit (SSO).
Physical Characteristics

Length

0.3

Diameter

0.1

Span

0.3

Dry Mass

4.5

Launch Mass

4.5

Shape

Box+2 pan

Radar Cross Section

0.067

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Dove 0B07

Purpose

Technology

Mission

Technology

Manufacturer

PLABS

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.

Seismic Networks Now Track Space Junk, Pentagon Faces Golden Dome Cost Challenges | KeepTrack Space Brief

Seismic Networks Now Track Space Junk, Pentagon Faces Golden Dome Cost Challenges | KeepTrack Space Brief

Johns Hopkins researchers use seismic networks to track space debris in near real-time. Pentagon faces Golden Dome production scale challenges. SpaceX launches 25 Starlink sats in seventh 2026 mission.

Space Brief 1 May 2025

Space Brief 1 May 2025

Today's space brief covers NASA's shift to private companies for astronaut rescue, EU's potential collaboration with SES for satellite services, and notable military contract allocations. Plus, a satellite spotlight on LEMUR-2-KADI.

Space Brief 5 Nov 2024

Space Brief 5 Nov 2024

Today's highlights include SpaceX's Dragon cargo mission to the ISS, the first wooden satellite launch, and updates on NASA's Voyager mission. Additionally, the Space Force's X-37B space plane showcases unique aerobraking strategies.

Space Brief 26 Apr 2025

Space Brief 26 Apr 2025

Today's brief covers major developments including the introduction of BAHA drones, increased defense spending by Estonia, and consequential announcements on military budgets impacting space-related activities.

Starship V3 Flight 12 Four Weeks Out, X Report 11 Mar 2026

Starship V3 Flight 12 Four Weeks Out, X Report 11 Mar 2026

Starship V3 timeline: Musk puts Flight 12 about 4 weeks out, early to mid April 2026. SpaceX also hit 30 missions of 2026 with the 15,000-lb EchoStar 25.

SpaceX Launches 13th NRO Proliferated Architecture Mission | KeepTrack Space Brief

SpaceX Launches 13th NRO Proliferated Architecture Mission | KeepTrack Space Brief

Falcon 9 successfully deployed NROL-72 for National Reconnaissance Office's 13th proliferated architecture mission. Low-Earth orbit intelligence constellation expanding since 2021.

White House Orders Space Nuclear Power by 2028 | KeepTrack Space Brief

White House Orders Space Nuclear Power by 2028 | KeepTrack Space Brief

White House directs NASA and Pentagon to field space nuclear power systems by 2028, with DoD demonstration required by 2031. Game-changer for military satellite power budgets.

X Report 30 Nov 2024

X Report 30 Nov 2024

SpaceX executes dual Starlink launches and secures Dragonfly mission contract while managing NRO satellite deployment.