SZ-4 MODULE (27634)

COSPAR: 2002-061C | Alt Name: Shenzhou 4 Guidao Cang

DECAYED

Image

Additional Sources

Launch Details

Launch Date

December 29, 2002

Launch Site

JSC

Launch Pad

LC921

Launch Vehicle

Chang Zheng 2F

Orbital Elements

NORAD ID

27634

International Designator

2002-061C

Decay Date

9/9/2003

Basic Satellite Info

Name

SZ-4 MODULE

Alternative Name

Shenzhou 4 Guidao Cang

Type

Payload

Status

Decayed

Owner

CMSEO

Country

China

Constellation

N/A

Related Satellites

Major Events

N/A

Summary

The SZ-4 MODULE, also known as Shenzhou 4 Guidao Cang, is an orbital module satellite with a NORAD catalog ID of 27634 and an OBJECT_ID of 2002-061C. Launched on December 29, 2002, from the Jiuquan Satellite Launch Center (JSC) using a Chang Zheng 2F launch vehicle, it has dimensions including a length of 2.3 meters, diameter of 2.8 meters, and span of 4.3 meters. The satellite weighs 1700 kilograms both at launch and dry mass. It was manufactured by the China Academy of Launch Vehicle Technology (CALT) and is owned by the China Manned Space Engineering Office (CMSEO). The satellite's shape is described as a cylinder with two panels, and its radar cross-section (RCS) is 3.981 square meters.

Physical Characteristics

Length

2.3

Diameter

2.8

Span

4.3

Dry Mass

1700

Launch Mass

1700

Shape

Cyl + 2 Pan

Radar Cross Section

3.981

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Shenzhou 4 orbital module

Purpose

Unknown

Mission

Unknown

Manufacturer

CALT

Life Expectancy

Unknown

Bus

Shenzhou OM

Configuration

Unknown

Motor

Unknown

Equipment

Unknown

Power System

Unknown

ADCS

Unknown

Transmitter Frequency

Unknown

Satellite Articles

View All Posts »

Learn more about satellites and other related topics.

X Report 6 Dec 2024

SpaceX achieves a milestone with its 350th successful mission, including a significant Starlink launch, while Starship advances in testing. Meanwhile, SpaceX boosts SiriusXM's satellite fleet and industry competitors make strides.

X Report 29 Jun 2025

SpaceX secures a significant military contract while successfully launching multiple batches of Starlink satellites. Furthermore, milestones aboard the ISS highlight ongoing space missions.

The Day That Changed Spaceflight Forever

Thirty-nine years ago, the loss of Space Shuttle Challenger and its seven crew members forever transformed our approach to spaceflight safety and risk management

Space Brief 15 Jun 2025

Today’s highlights focus on the launch preparations for the Dragoon Mission, China’s seismo-electromagnetic satellite launch, NASA budget cut impacts, and a major expansion by American Pacific Corporation.

Space Beyond Books SpaceX Rideshare for Memorial Cubesat Mission | KeepTrack X Report

Space Beyond secures SpaceX rideshare launch slot for October 2027 memorial cubesat mission. Starlink constellation at 11,009 total satellites launched with 9,551 currently on orbit.

SDA Awards $1.75B for Golden Dome Missile Tracking | KeepTrack Space Brief

SDA hands L3Harris and Sierra Space $1.75B to build missile warning satellites for Pentagon's Golden Dome shield, targeting 2028 demonstration under accelerated schedule.

SpaceX Starfall Reentry Capsule Makes Debut Flight | KeepTrack X Report

SpaceX's secretive Starfall reentry demo launched June 23 as Starmind AI constellation targets 1M orbital compute nodes.

SpaceX Launches GPS Satellite in Third Mission Reassigned From ULA | KeepTrack Space Brief

SpaceX launches GPS satellite for Space Force — third consecutive GPS mission reassigned from ULA. Space Force nears selection of next-gen GEO spy satellite contractors. Northwood Space lands $49M deal.