FLOCK 2E-11 (41574)

COSPAR: 1998-067JY | Alt Name: Flock 2e-11
DECAYED

Image
FLOCK 2E-11 Satellite Image
Additional Sources
Launch Details

Launch Date

November 20, 1998

Launch Pad

SLC41

Launch Vehicle

Atlas V 401

Orbital Elements

NORAD ID

41574

International Designator

1998-067JY

Decay Date

3/4/2018

Basic Satellite Info

Name

FLOCK 2E-11

Alternative Name

Flock 2e-11

Type

Payload

Status

Decayed

Owner

PLABS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Summary
FLOCK 2E-11 is a CubeSat (3U) technology satellite, owned and manufactured by PLABS in the US. It was launched on November 20, 1998, from the TYSMC launch site using an Atlas V 401 launch vehicle from SLC41 pad. The satellite has dimensions of 0.3 meters in length and span with a diameter of 0.1 meter, featuring a box shape with two panels. It weighs 5 kilograms both at launch and dry mass. FLOCK 2E-11 is equipped with PS0, PS1 or PS2 imaging payload and Dove 0C13 payload, powered by solar cells and batteries. The satellite's primary purpose was to demonstrate technology in space. Its lifetime expectancy ranges from about one year for an ISS orbit to 2-3 years for a sun-synchronous orbit (SSO).
Physical Characteristics

Length

0.3

Diameter

0.1

Span

0.3

Dry Mass

5

Launch Mass

5

Shape

Box+2 pan

Radar Cross Section

0.1179

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Dove 0C13

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.

X Report 25 Sep 2025

X Report 25 Sep 2025

SpaceX continues to make strides with multiple launches, including 28 Starlink satellites and NASA's IMAP mission, highlighting its ongoing role in advancing space weather research.

Mike Melvill, 124 Meters, and the Morning Space Went Private

Mike Melvill, 124 Meters, and the Morning Space Went Private

On 21 June 2004, a 63-year-old test pilot rode a homebuilt rocket plane to 100,124 meters above the Mojave Desert, clearing the edge of space by about the length of a city block. He came down the first private astronaut in history, holding a sign that read 'SpaceShipOne, GovernmentZero.'

X Report 7 Feb 2025

X Report 7 Feb 2025

DIU explores SpaceX Starship's in-space refueling; Investors advise startups against competing or emulating SpaceX.

The Afternoon a Blurry Smudge Turned Pluto Into a Double Planet

The Afternoon a Blurry Smudge Turned Pluto Into a Double Planet

On 22 June 1978, an astronomer at the U.S. Naval Observatory looked at photographic plates that had been stamped 'image defective' and noticed a small bump on the side of Pluto. The bump was a moon, and finding it finally let astronomers weigh a planet that had fooled them for half a century.

SpaceX Targets 600th Falcon Booster Landing, X Report 19 Apr 2026

SpaceX Targets 600th Falcon Booster Landing, X Report 19 Apr 2026

SpaceX targets its 600th Falcon 9 booster landing on Starlink 17-22, lofting 25 satellites from Vandenberg. Plus a 2028 SpaceX ride for ESA's Mars rover.

Space Brief 22 Jun 2025

Space Brief 22 Jun 2025

Today's briefing covers a last-minute abort of a SpaceX Starlink launch, NASA's preparation for hypersonic tests, Airbus's progress in its space business, and more exciting developments in satellite tracking and reusable spaceflight.

South Korea Plans Defense Satellite Constellation With Hanwha Systems | KeepTrack Space Brief

South Korea Plans Defense Satellite Constellation With Hanwha Systems | KeepTrack Space Brief

Hanwha Systems in talks with MDA Space and Telesat for South Korean defense satellite constellation. SpaceX preps GPS satellite launch for Space Force. Seismic networks now track space junk reentry.

Roman Space Telescope Arrives at KSC for August 30 Falcon Heavy Launch | KeepTrack Space Brief

Roman Space Telescope Arrives at KSC for August 30 Falcon Heavy Launch | KeepTrack Space Brief

NASA's $4.3B Nancy Grace Roman Space Telescope arrived at Kennedy Space Center for 70 days of prelaunch processing ahead of its August 30 Falcon Heavy launch.