NAVSTAR 24 (USA 79) (21890)

COSPAR: 1992-009A | Alt Name: GPS IIA-3

Image

Additional Sources

Launch Details

Launch Date

February 23, 1992

Launch Site

Cape Canaveral Space Force Station

Launch Pad

LC17B

Launch Vehicle

Delta 7925

Orbital Elements

NORAD ID

21890

International Designator

1992-009A

Epoch

Sat, 04 Jul 2026 04:29:28 GMT

Apogee

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Perigee

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Inclination

54.23°

Right Ascension

165.60°

Eccentricity

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Argument of Perigee

60.83°

Period

750.67 min

Mean Motion

1.92 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 24 (USA 79)

Alternative Name

GPS IIA-3

Type

Payload

Status

Non-operational

Owner

AFSSD2

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 21890U 92009A   26185.18713676  .00000082  00000-0  00000-0 0  9991

2 21890  54.2275 165.6012 0052680  60.8336 302.8650  1.91828559246425

Source: Celestrak

Summary

NAVSTAR 24 (also known as GPS IIA-3) is a satellite belonging to the USA's GPS constellation, designed for navigation purposes. Launched on February 23, 1992, from Cape Canaveral Air Force Station using a Delta 7925 launch vehicle, it has a dry mass of 860 kg and measures 2.4 meters in length with a diameter of 1.8 meters. The satellite is equipped with two deployable solar arrays for power generation alongside batteries and features a configuration that is 3-axis stabilized to maintain its orientation. It was manufactured by RWISB and is operated by AFSSD2, contributing to the GPS IIA series. NAVSTAR 24 has an expected lifetime of approximately 7.5 years and includes a Star 37XFP motor for propulsion. The satellite's shape can be described as box-like with two panels. It was part of the GPS SVN 25 payload system, designed to provide precise navigation data globally.

Physical Characteristics

Length

2.4

Diameter

1.8

Span

5.3

Dry Mass

860

Launch Mass

860

Shape

Box + 2 Pan

Radar Cross Section

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

GPS SVN 25

Purpose

Navigation

Mission

Navigation

Manufacturer

RWISB

Life Expectancy

7.5 years

Bus

GPS IIA

Configuration

3-Axis stabilized

Motor

Star 37XFP

Equipment

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map

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Latitude

Longitude

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