TDRS 9 (27389)

COSPAR: 2002-011A | Alt Name: TDRS 9

Image

Additional Sources

Launch Details

Launch Date

March 8, 2002

Launch Site

Cape Canaveral Space Force Station

Launch Pad

SLC36A

Launch Vehicle

Atlas IIA

Orbital Elements

NORAD ID

27389

International Designator

2002-011A

Epoch

Fri, 03 Jul 2026 19:56:10 GMT

Apogee

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Perigee

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Inclination

12.21°

Right Ascension

46.64°

Eccentricity

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Argument of Perigee

118.99°

Period

1454.77 min

Mean Motion

0.99 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

TDRS 9

Alternative Name

TDRS 9

Type

Payload

Status

Non-operational

Owner

GSFC

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 27389U 02011A   26184.83067660 -.00000149  00000-0  00000-0 0  9995

2 27389  12.2063  46.6421 0003889 118.9902 238.2178  0.98984470 90443

Source: Celestrak

Summary

TDRS 9, also known as TDRS I and OBJECT_ID 2002-011A, is a communication and data relay satellite launched on March 8, 2002, from Space Launch Complex 36A at Cape Canaveral Air Force Station using an Atlas IIA launch vehicle. Built by Boeing Satellite Systems (BOES) on the HS-601 / BSS-601 bus configuration, TDRS 9 has a dry mass of 1,600 kg and was launched with a mass of 3,190 kg. The satellite measures 8.4 meters in length, 3.4 meters in diameter, and has a span of 21 meters due to its deployable solar arrays. TDRS 9 is equipped with batteries for power storage and uses R-4D-11-300 motors for propulsion. Operated by the Goddard Space Flight Center (GSFC), it was designed to operate for approximately 11 years, serving as part of the Tracking and Data Relay Satellite System.

Physical Characteristics

Length

8.4

Diameter

3.4

Span

Dry Mass

1600

Launch Mass

3190

Shape

Box + 2 Pan + 2 Dish

Radar Cross Section

11.5324

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

TDRS I

Purpose

Communication, data relay

Mission

Communication, data relay

Manufacturer

BOES

Life Expectancy

11 years

Bus

HS-601

Configuration

HS-601 / BSS-601

Motor

R-4D-11-300

Equipment

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map

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Longitude

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