STSAT-3 (39422)

COSPAR: 2013-066G | Alt Name: STSat-3

Image
STSAT-3 Satellite Image
Additional Sources
Launch Details

Launch Date

November 21, 2013

Launch Site

DLS

Launch Pad

Sh370/13

Launch Vehicle

Dnepr

Orbital Elements

NORAD ID

39422

International Designator

2013-066G

Epoch

Sat, 04 Jul 2026 05:23:49 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

97.62°

Right Ascension

154.84°

Eccentricity

Calculating...

Argument of Perigee

350.70°

Period

95.82 min

Mean Motion

15.03 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

STSAT-3

Alternative Name

STSat-3

Type

Payload

Status

Operational

Owner

KARI

Country

South Korea

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 39422U 13066G   26185.22487497  .00003327  00000-0  25254-3 0  9997
2 39422  97.6215 154.8399 0009322 350.6991   9.4060 15.02847837686767

Source: Celestrak

Summary
STSAT-3, also known as STSat-3, is a satellite launched on November 21, 2013, by KARI from Sh370/13 at DLS using the Dnepr launch vehicle. The spacecraft measures 0.9 meters in length with a diameter of 0.6 meters and has a span of 1.8 meters when its solar arrays are deployed. STSat-3 was manufactured by SATREC and designed for technology, astronomy, and Earth observation purposes. It weighs 170 kilograms at launch and is powered by two deployable fixed solar arrays and batteries. The satellite’s primary equipment includes MIRIS and COMIS instruments. Its shape consists of a box with two panels, and it has an RCS value of 0.4632. STSat-3 operated for approximately two years as part of its mission to conduct technology demonstrations, astronomical observations, and Earth monitoring activities.
Physical Characteristics

Length

0.9

Diameter

0.6

Span

1.8

Dry Mass

170

Launch Mass

170

Shape

Box + 2 panels

Radar Cross Section

0.4632

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

STSat-3

Purpose

Technology, astronomy, Earth observation

Mission

Technology, astronomy, Earth observation

Manufacturer

SATREC

Life Expectancy

2 years

Bus

STSat

Configuration

Unknown

Motor

Unknown

Equipment

MIRIS, COMIS

Power System

2 deployable fixed 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.

Mega-Constellations Are Set to Flood Earth's Orbit

Mega-Constellations Are Set to Flood Earth's Orbit

We forecast how many satellites could be in orbit by 2030 and what capabilities we can expect.

Space Force Buys Second Otter Spacecraft for On-Orbit Servicing | KeepTrack Space Brief

Space Force Buys Second Otter Spacecraft for On-Orbit Servicing | KeepTrack Space Brief

Space Force procures second Otter spacecraft for satellite repositioning. Momentus and NASA sign Space Act Agreement for orbital servicing tests. Pentagon delays contractor review.

Space Brief 25 Oct 2025

Space Brief 25 Oct 2025

Today's brief covers significant growth forecasts for global defense satellite communications, the integration of hypersonic missiles, cyber authority expansion in the Army, and more pivotal military developments.

X Report 7 Dec 2025

X Report 7 Dec 2025

SpaceX receives approval for a new Starship launch complex, while Blue Origin capitalizes on potential challenges faced by SpaceX in lunar missions.

Space Brief 8 Mar 2025

Space Brief 8 Mar 2025

Today's Space Brief covers the landing of the X-37B spaceplane after a 434-day mission, the postponement of SDA's satellite launch, and the fiery debris from SpaceX's Starship over The Bahamas.

Starship V3 Targets April 2026 Debut, X Report 20 Mar 2026

Starship V3 Targets April 2026 Debut, X Report 20 Mar 2026

Starship V3 targets an April 2026 debut, the ride for next-gen Starlink V3 satellites. Fleet stands at 10,062 working of 11,587 launched.

X Report 14 Nov 2025

X Report 14 Nov 2025

SpaceX progresses on Starship testing while Rocket Lab delays its Neutron rocket debut, potentially impacting the competitive landscape in space launches.

Space Brief 21 Jul 2025

Space Brief 21 Jul 2025

Today's brief covers SpaceX's latest Starlink launch, fascinating exoplanet discoveries, and strategic lunar developments by China and South Korea.