HIPPARCOS (20169)

COSPAR: 1989-062B | Alt Name: Hipparcos

Image
HIPPARCOS Satellite Image
Additional Sources
Launch Details

Launch Date

August 8, 1989

Launch Site

FRGUI

Launch Pad

ELA2

Launch Vehicle

Ariane 44LP

Orbital Elements

NORAD ID

20169

International Designator

1989-062B

Epoch

Fri, 03 Jul 2026 18:03:04 GMT

Apogee

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Perigee

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Inclination

7.10°

Right Ascension

315.46°

Eccentricity

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Argument of Perigee

353.49°

Period

636.00 min

Mean Motion

2.26 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

HIPPARCOS

Alternative Name

Hipparcos

Type

Payload

Status

Non-operational

Owner

ESA

Country

European Space Agency

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 20169U 89062B   26184.75213337 -.00000098  00000-0 -78224-5 0  9992
2 20169   7.0982 315.4562 7195801 353.4944   0.6023  2.26414548269739

Source: Celestrak

Summary
HIPPARCOS was an astrometry satellite launched by ESA on August 8, 1989, from Guiana Space Centre using an Ariane 44LP launch vehicle. The spacecraft measured 3.5 meters in length and had a diameter of 2.5 meters with a span of 5.5 meters. It had a dry mass of 579 kilograms and weighed 610 kilograms at launch. HIPPARCOS was equipped with three deployable fixed solar arrays and batteries for power. The satellite's mission was to perform astrometry, and it operated for approximately 2.5 years. It was manufactured by MMST and used a Mage 2 motor. Its shape consisted of a hexagonal cylinder, dome, and three panels.
Physical Characteristics

Length

3.5

Diameter

2.5

Span

5.5

Dry Mass

579

Launch Mass

610

Shape

Hex Cyl + Dome + 3 Pan

Radar Cross Section

9.1576

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Hipparcos

Purpose

Astrometry

Mission

Astrometry

Manufacturer

MMST

Life Expectancy

2.5 years

Bus

Hipparcos

Configuration

Unknown

Motor

Mage 2

Equipment

Unknown

Power System

3 deployable fixed solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map
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