NAVSTAR 11 (USA 10) (16129)

COSPAR: 1985-093A | Alt Name: GPS 11

Image

Additional Sources

Launch Details

Launch Date

October 9, 1985

Launch Site

AFWTR

Launch Pad

SLC3W

Launch Vehicle

Atlas E/SGS-2

Orbital Elements

NORAD ID

16129

International Designator

1985-093A

Epoch

Thu, 02 Jul 2026 07:08:16 GMT

Apogee

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Perigee

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Inclination

63.57°

Right Ascension

84.20°

Eccentricity

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Argument of Perigee

56.08°

Period

760.42 min

Mean Motion

1.89 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

NAVSTAR 11 (USA 10)

Alternative Name

GPS 11

Type

Payload

Status

Non-operational

Owner

AFSD

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 16129U 85093A   26183.29741873 -.00000006  00000-0  00000-0 0  9992

2 16129  63.5676  84.1989 0343488  56.0842 135.0666  1.89368869229589

Source: Celestrak

Summary

NAVSTAR 11 (USA 10), also known as GPS 11, is a US satellite operated by AFSD for navigation purposes. Launched on October 9, 1985, from SLC3W at AFWTR using the Atlas E/SGS-2 launch vehicle, it features a box shape with two panels and is equipped with 2 deployable solar arrays and batteries for power. With dimensions of 2.4 meters in length, 2.6 meters in diameter, and a span of 5.3 meters, the satellite has a dry mass of 431 kg, which was also its launch mass. It was manufactured by RWISB and is 3-Axis stabilized with a Star 27 motor. Its mission is to serve as part of the GPS system, specifically GPS SVN 11, for navigation purposes. The satellite has an operational lifetime of approximately 5 years.

Physical Characteristics

Length

2.4

Diameter

2.6

Span

5.3

Dry Mass

431

Launch Mass

431

Shape

Box + 2 Pan

Radar Cross Section

0.4881

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

GPS SVN 11

Purpose

Navigation

Mission

Navigation

Manufacturer

RWISB

Life Expectancy

5 years

Bus

GPS

Configuration

3-Axis stabilized

Motor

Star 27

Equipment

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map

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Longitude

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