EO-1 (26619)

COSPAR: 2000-075A | Alt Name: EO-1

Image

Additional Sources

Launch Details

Launch Date

November 21, 2000

Launch Site

AFWTR

Launch Pad

SLC2W

Launch Vehicle

Delta 7320-10

Orbital Elements

NORAD ID

26619

International Designator

2000-075A

Epoch

Sat, 04 Jul 2026 07:02:20 GMT

Apogee

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Perigee

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Inclination

98.12°

Right Ascension

142.04°

Eccentricity

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Argument of Perigee

75.68°

Period

98.01 min

Mean Motion

14.69 rev/day

Latitude

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Longitude

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Altitude

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Velocity

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Polar Plot

3D Visualization

Basic Satellite Info

Name

EO-1

Alternative Name

EO-1

Type

Payload

Status

Non-operational

Owner

GSFC

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 26619U 00075A   26185.29329499  .00000796  00000-0  14337-3 0  9998

2 26619  98.1178 142.0432 0010431  75.6756 284.5607 14.69221886649100

Source: Celestrak

Summary

The satellite EO-1 (2000-075A) is a Rapid Core Spacecraft built by SWALES for GSFC and launched on November 21, 2000, from AFWTR SLC2W using the Delta 7320-10 launch vehicle. It measures 0.7 meters in length, has a diameter of 1.3 meters, and a span of 5 meters. The satellite's dry mass is 566 kg, with a launch mass of 588 kg. Equipped with an Advanced Land Imager (ALI), Hyperion, and AC instruments, EO-1 orbits Earth for Earth observation purposes. It was powered by deployable solar arrays and batteries. Although the planned lifetime was one year, it achieved a much longer lifespan of 17 years. The satellite's shape is described as Hex Cyl + Pan with an RCS of 1.721.

Physical Characteristics

Length

0.7

Diameter

1.3

Span

Dry Mass

566

Launch Mass

588

Shape

Hex Cyl + Pan

Radar Cross Section

1.721

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Earth Orbiter 1

Purpose

Earth Observation

Mission

Earth Observation

Manufacturer

SWALES

Life Expectancy

1 year (planned); 17 years (achieved)

Bus

ATK-A200

Configuration

Rapid Core Spacecraft

Motor

AOCS

Equipment

ALI (Advanced Land Imager), Hyperion, AC

Power System

Deployable solar array, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map

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Longitude

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