COBE (20322)

COSPAR: 1989-089A | Alt Name: COBE

Image
COBE Satellite Image
Additional Sources
Launch Details

Launch Date

November 18, 1989

Launch Site

AFWTR

Launch Pad

SLC2W

Launch Vehicle

Delta 5920-8

Orbital Elements

NORAD ID

20322

International Designator

1989-089A

Epoch

Sat, 04 Jul 2026 06:43:28 GMT

Apogee

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Perigee

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Inclination

98.90°

Right Ascension

187.05°

Eccentricity

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Argument of Perigee

38.69°

Period

102.46 min

Mean Motion

14.05 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

COBE

Alternative Name

COBE

Type

Payload

Status

Unknown

Owner

GSFC

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 20322U 89089A   26185.28018584  .00000152  00000-0  12066-3 0  9997
2 20322  98.8962 187.0535 0009217  38.6881 332.1797 14.05468759877064

Source: Celestrak

Summary
The COBE satellite, officially designated as 1989-089A and NORAD_CAT_ID 20322, was launched on November 18, 1989, from AFWTR SLC2W using a Delta 5920-8 launch vehicle. It is owned and operated by GSFC (Goddard Space Flight Center) in the United States for cosmology purposes. The spacecraft has a hexagonal prism configuration with three deployable solar arrays and a deployable sunshade, measuring 4.9 meters in length and 2.2 meters in diameter, with a span of 8.4 meters. COBE's dry mass is 2,206 kg, which is also its launch mass. Its payload includes FIRAS, DMR, DIRBE, and Cryostat equipment for cosmological observations. The satellite uses three deployable fixed solar arrays and batteries for power supply.
Physical Characteristics

Length

4.9

Diameter

2.2

Span

8.4

Dry Mass

2206

Launch Mass

2206

Shape

Hex Cyl + 2 Pan

Radar Cross Section

11.2647

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

COBE

Purpose

Cosmology

Mission

Cosmology

Manufacturer

GSFC

Life Expectancy

Unknown

Bus

COBE

Configuration

Hexaginal prism, 3 solar arrays, deployable sunshade

Motor

?

Equipment

FIRAS, DMR, DIRBE, Cryostat

Power System

3 deployable fixed solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

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