GALAXY 1 (G-1) (14158)

COSPAR: 1983-065A | Alt Name: Galaxy 1

Image
GALAXY 1 (G-1) Satellite Image
Additional Sources
Launch Details

Launch Date

June 28, 1983

Launch Pad

LC17B

Launch Vehicle

Delta 3920/PAM

Orbital Elements

NORAD ID

14158

International Designator

1983-065A

Epoch

Fri, 03 Jul 2026 22:01:48 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

13.59°

Right Ascension

341.56°

Eccentricity

Calculating...

Argument of Perigee

297.59°

Period

1438.47 min

Mean Motion

1.00 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

GALAXY 1 (G-1)

Alternative Name

Galaxy 1

Type

Payload

Status

Non-operational

Owner

HCI

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 14158U 83065A   26184.91792471 -.00000132  00000-0  00000-0 0  9999
2 14158  13.5862 341.5552 0001424 297.5884 236.5776  1.00106181 46795

Source: Celestrak

Summary
GALAXY 1 (G-1), also known as Galaxy 1, is a communication satellite manufactured by HSES and owned by HCI. Launched on June 28, 1983, from LC17B at AFETR using the Delta 3920/PAM launch vehicle, it has a configuration of HS-376. The satellite measures 6.8 meters in length with a diameter and span of 2.2 meters each and carries solar cells for power along with batteries. It was equipped with 24 (+6) C-band transponders for communication purposes. At launch, it had a mass of 676 kilograms and a dry mass of 540 kilograms. Its shape is cylindrical and has an RCS value of 5.2616.
Physical Characteristics

Length

6.8

Diameter

2.2

Span

6.8

Dry Mass

540

Launch Mass

676

Shape

Cyl

Radar Cross Section

5.2616

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Galaxy I

Purpose

Communication

Mission

Communication

Manufacturer

HSES

Life Expectancy

Unknown

Bus

HS-376

Configuration

HS-376

Motor

TE-M-700-5

Equipment

24 (+6) C-band transponders

Power System

Solar cells (body mounted and drop-skirt), batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map
This tool will help you track the satellite's position and predict its upcoming passes over your location. Simply input the coordinates or click the geolocation button to get started.
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration

Satellite Articles

View All Posts »

Learn more about satellites and other related topics.

X Report 24 Nov 2025

X Report 24 Nov 2025

SpaceX successfully launches 28 Starlink satellites on a new Falcon 9 rocket from California, marking a significant milestone for their satellite constellation.

Space Brief 4 Apr 2025

Space Brief 4 Apr 2025

Today's highlights include the release of a mystery object by Russian military satellites, SpaceX Fram2 mission insights, Amazon's upcoming satellite launch, and more.

Hayabusa | The Crippled Falcon That Carried an Asteroid Home

Hayabusa | The Crippled Falcon That Carried an Asteroid Home

Sixteen years ago today, a fireball tore across the Australian outback. Most of it was a dying Japanese spacecraft burning up after a seven-year ordeal. The bright dot racing ahead of the wreckage was a capsule holding the first grains of an asteroid ever returned to Earth.

X Report 29 Jan 2025

X Report 29 Jan 2025

Key developments include political attention on SpaceX's ISS crew return and competition forecasts between SpaceX and ULA for national security missions.

600th Falcon 9 Milestone Reached, Predawn President's Day Launch | KeepTrack X Report

600th Falcon 9 Milestone Reached, Predawn President's Day Launch | KeepTrack X Report

SpaceX celebrates 600th Falcon 9 launch from Vandenberg. Predawn President's Day Starlink mission marks 10th Cape Canaveral launch of 2026. ISS crew boosted back to seven.

The Day Two Astronauts Proved We Could Reach the Moon

The Day Two Astronauts Proved We Could Reach the Moon

Sixty years ago, Frank Borman and James Lovell launched aboard Gemini 7 for a grueling 14-day mission that would prove humans could endure the journey to the moon and achieve the first true rendezvous in space

Starlink Powers Air Force One; Pentagon Orders 10,000 Cruise Missiles | KeepTrack Space Brief

Starlink Powers Air Force One; Pentagon Orders 10,000 Cruise Missiles | KeepTrack Space Brief

Starlink confirmed operational aboard Air Force One over Pacific. Pentagon awards 10,000 low-cost cruise missiles to 4 contractors under new LCCMP program.

Falcon 9 Lands in Bahamas for 2nd Time, Reentry Pollution Measured | KeepTrack X Report

Falcon 9 Lands in Bahamas for 2nd Time, Reentry Pollution Measured | KeepTrack X Report

SpaceX lands Falcon 9 in The Bahamas for the second time ever during Starlink 10-34 mission. Scientists measure rocket reentry air pollution in real-time for the first time.