HST (20580)

COSPAR: 1990-037B | Alt Name: Hubble Space Telescope

Image
HST Satellite Image
Additional Sources
Launch Details

Launch Date

April 24, 1990

Launch Pad

LC39B

Launch Vehicle

Space Shuttle

Orbital Elements

NORAD ID

20580

International Designator

1990-037B

Epoch

Sat, 04 Jul 2026 02:14:03 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

28.47°

Right Ascension

325.02°

Eccentricity

Calculating...

Argument of Perigee

352.50°

Period

94.06 min

Mean Motion

15.31 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

HST

Alternative Name

Hubble Space Telescope

Type

Payload

Status

Operational

Owner

GSFC

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 20580U 90037B   26185.09309830  .00008649  00000-0  27319-3 0  9990
2 20580  28.4737 325.0166 0001697 352.4976   7.5595 15.30955000791163

Source: Celestrak

Summary
The HST (Hubble Space Telescope) is a US satellite with NORAD Catalog ID 20580 and OBJECT_ID 1990-037B, manufactured by LMSC for astronomy purposes. Launched on April 24, 1990 from Launch Site AFETR at Launch Pad LC39B aboard a Space Shuttle, it stabilized in orbit the next day. The satellite measures 13.1 meters in length and diameter with a span of 13.1 meters, has a dry mass and launch mass both at 7547 kg, and is owned by GSFC. It is equipped with two deployable solar arrays and batteries for power supply. The HST's shape is described as "Step Cyl + 2 Pan" and it was launched to conduct astronomical observations.
Physical Characteristics

Length

13.1

Diameter

4.3

Span

13.1

Dry Mass

7547

Launch Mass

7547

Shape

Step Cyl + 2 Pan

Radar Cross Section

28.0799

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Hubble Space Telescope

Purpose

Astronomy

Mission

Astronomy

Manufacturer

LMSC

Life Expectancy

Unknown

Bus

HST

Configuration

Unknown

Motor

None

Equipment

Unknown

Power System

2 deployable solar arrays, 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.

Space Brief 21 Mar 2025

Space Brief 21 Mar 2025

Today's highlights include SpaceX's new rocket-reuse record with a spy satellite launch, Space Force's funding strategies, and a European defense summit addressing security concerns.

FAA Approves Starship Launches from LC-39A, FCC Accepts Orbital Data Center Filing | KeepTrack X Report

FAA Approves Starship Launches from LC-39A, FCC Accepts Orbital Data Center Filing | KeepTrack X Report

FAA approves SpaceX Starship launches from Kennedy Space Center LC-39A. FCC accepts 1-million satellite orbital data center filing. Canada ranks as 5th largest Starlink market.

X Report 4 Dec 2025

X Report 4 Dec 2025

SpaceX successfully launched another batch of Starlink satellites and received approval for a new Starship launch site, while facing challenges with crew assignments on upcoming missions.

X Report 17 Sep 2025

X Report 17 Sep 2025

Today’s highlights include successful Falcon 9 launch for MECANO ID, ongoing Starship Block 3 development, and plans for direct-to-device testing next year.

Space Brief 13 Aug 2025

Space Brief 13 Aug 2025

Today's Space Brief covers the inaugural national security mission of ULA's Vulcan Centaur, the Space Force's 2026 budget insights, and shifts in military drone technology.

Space Brief 26 Mar 2025

Space Brief 26 Mar 2025

Today's briefing covers the US Space Force's pivotal journeys, emerging hypersonic weaponry, and innovative drone technologies, with a special satellite update featuring Jackal X-1L-001.

When Will SpaceX Go Public?

When Will SpaceX Go Public?

As SpaceX continues to make groundbreaking advancements in the space industry, investors are eagerly anticipating the company's potential IPO. Learn about the factors influencing SpaceX's decision to go public and the estimated timeline for this highly anticipated event.

X Report 21 Sep 2025

X Report 21 Sep 2025

Key updates include a potential delay for the Starship lunar lander, successful static fire tests for Ship 38, and the latest Starlink satellite launch plans.