FLOCK 2B-1 (40950)

COSPAR: 1998-067HB | Alt Name: Flock 2b-1
DECAYED

Image
FLOCK 2B-1 Satellite Image
Additional Sources
Launch Details

Launch Date

November 20, 1998

Launch Pad

Y2

Launch Vehicle

H-IIB

Orbital Elements

NORAD ID

40950

International Designator

1998-067HB

Decay Date

9/22/2016

Basic Satellite Info

Name

FLOCK 2B-1

Alternative Name

Flock 2b-1

Type

Payload

Status

Decayed

Owner

PLABS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Summary
FLOCK 2B-1 is a CubeSat (3U) satellite owned by PLABS and operated for technology purposes. Launched on November 20, 1998, from the TSYMC site using an H-IIB launch vehicle, this US-based satellite has dimensions of 0.3 meters in length and diameter, with a span of 0.3 meters. It weighs about 5 kilograms both at launch and dry mass. Equipped with PS0, PS1 or PS2 imaging payloads and Dove 0C70 equipment, FLOCK 2B-1 utilizes solar cells and batteries for power. Its shape is described as Box+2 pan with a reflective surface area of 0.0806 square meters. The satellite's expected lifetime ranges from about 1 year in the International Space Station (ISS) orbit to 2-3 years in 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

0.0806

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Dove 0C70

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.

Space Brief 13 Apr 2025

Space Brief 13 Apr 2025

SpaceX launches a doubleheader of satellites while Blue Origin prepares for a historic all-female spaceflight. Also, meet FORMOSAT-5 in our Satellite Spotlight.

X Report 28 Nov 2024

X Report 28 Nov 2024

SpaceX advances with Starship, gains FCC approval for new services, and predicts a future shift in spacecraft dominance.

SpaceX Files $18.7B IPO as Starship V3 Debuts | KeepTrack X Report

SpaceX Files $18.7B IPO as Starship V3 Debuts | KeepTrack X Report

SpaceX's S-1 reveals $18.7B in revenue as Starship Flight 12 debuts Block 3 hardware from Pad 2 on May 21, 2026.

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.

Space Brief 27 Apr 2025

Space Brief 27 Apr 2025

Today's highlights include SpaceX's dual Starlink launches, NASA's progress on the Dragonfly mission to Titan, and delays in Starlink's Indian market entry.

SpaceX Launches Third GPS Satellite Reassigned From ULA | KeepTrack X Report

SpaceX Launches Third GPS Satellite Reassigned From ULA | KeepTrack X Report

SpaceX successfully launches GPS satellite for Space Force — third consecutive GPS mission switched from ULA. EBAD demonstrates payload release module on Falcon 9 rideshare mission.

X Report 3 Mar 2025

X Report 3 Mar 2025

SpaceX gears up for Starship Flight 8, with a launch set for Monday as final preparations are underway.

X Report 20 Mar 2025

X Report 20 Mar 2025

SpaceX successfully rotates Crew-9 and Crew-10 on the ISS and launches new Starlink satellites with direct-to-cell capability.