TSIOLKOVSKY-RYAZAN 2 (RS12S) (53313)

COSPAR: 1998-067TY | Alt Name: YuZGU-55 No. 11
DECAYED

Image
TSIOLKOVSKY-RYAZAN 2 (RS12S) Satellite Image
Additional Sources
Launch Details

Launch Date

November 20, 1998

Launch Pad

LC31

Launch Vehicle

Soyuz-2-1A

Orbital Elements

NORAD ID

53313

International Designator

1998-067TY

Decay Date

1/31/2023

Basic Satellite Info

Name

TSIOLKOVSKY-RYAZAN 2 (RS12S)

Alternative Name

YuZGU-55 No. 11

Type

Payload

Status

Decayed

Owner

YUZGU

Country

Russia

Constellation

N/A

Related Satellites

Major Events

N/A

Summary
TSIOLKOVSKY-RYAZAN 2 (RS12S), also known as YuZGU-55 No. 11, is a 3U Cubesat satellite launched by YUZGU on November 20, 1998, from the TYMSC launch site using Soyuz-2-1A from LC31. With dimensions of 0.3 meters in length and diameter of 0.1 meters, it has a dry mass of 5 kilograms and was designed for technology and communication purposes. The satellite's power supply includes solar cells and batteries. It operated with a planned lifetime of six months.
Physical Characteristics

Length

0.3

Diameter

0.1

Span

0.3

Dry Mass

5

Launch Mass

5

Shape

Box

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

RS5S

Purpose

Technology, communication

Mission

Technology, communication

Manufacturer

YUZGU

Life Expectancy

6 months

Bus

Cubesat 3U

Configuration

3U Cubesat with handle

Motor

None

Equipment

Unknown

Power System

Solar cells, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Satellite Articles

View All Posts »

Learn more about satellites and other related topics.

2nd Starlink Debris Event in 3 Months Raises Alarm | KeepTrack X Report

2nd Starlink Debris Event in 3 Months Raises Alarm | KeepTrack X Report

A second Starlink satellite has generated on-orbit debris in just over 3 months, threatening SpaceX's 10,151-satellite working constellation.

Starlink Satellite Count Hits 10,191, X Report 14 Apr 2026

Starlink Satellite Count Hits 10,191, X Report 14 Apr 2026

Starlink satellite count April 2026: 10,191 working of 10,209 in orbit. SpaceX flew its 1,000th Starlink of 2026 on April 14, adding 29 more sats.

Space Brief 4 Jul 2025

Space Brief 4 Jul 2025

Explore today's key space events including China's satellite launch, ULA's Vulcan rocket preparations, significant budget bills from Congress, and discussions on lunar business prospects.

X Report 9 Dec 2025

X Report 9 Dec 2025

SpaceX successfully launched 29 Starlink satellites on the record-breaking 32nd flight of its Falcon 9 rocket. Elon Musk discusses a potential future as a Type II civilization, emphasizing the role of AI and satellite technology.

Space Brief 18 Aug 2025

Space Brief 18 Aug 2025

Today's Space Brief covers significant satellite launches by SpaceX, an automated collision avoidance system development, Rocket Lab's strategic acquisition, and the rise of corporate-named satellites in orbit.

Space Brief 13 Nov 2025

Space Brief 13 Nov 2025

Delve into the latest on military AI leadership debates, Wedgetail funding increases, and the Army's Short Range Reconnaissance Program advancements. Explore how these developments influence satellite tracking and defense initiatives.

X Report 30 Dec 2024

X Report 30 Dec 2024

SpaceX wraps up the year with significant launches, including a record-setting Astranis deployment and Starlink missions signaling the year's end.

10,374 Starlink Satellites in Orbit, X Report 6 May 2026

10,374 Starlink Satellites in Orbit, X Report 6 May 2026

Starlink satellites in orbit May 2026: 10,374, with 10,358 working. Mission 17-29 lifts 24 more from Vandenberg and a satellite films the Starlink train.