STTW-1 (16526)

COSPAR: 1986-010A | Alt Name: Shiyong Tongbu Tongxin Wx.

Image
STTW-1 Satellite Image
Additional Sources
Launch Details

Launch Date

February 1, 1986

Launch Site

XICLF

Launch Pad

LC3

Launch Vehicle

Chang Zheng 3

Orbital Elements

NORAD ID

16526

International Designator

1986-010A

Epoch

Fri, 03 Jul 2026 22:51:40 GMT

Apogee

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Perigee

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Inclination

10.58°

Right Ascension

323.46°

Eccentricity

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Argument of Perigee

301.70°

Period

1436.99 min

Mean Motion

1.00 rev/day

Latitude

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Longitude

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Altitude

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Velocity

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Polar Plot
3D Visualization
Basic Satellite Info

Name

STTW-1

Alternative Name

Shiyong Tongbu Tongxin Wx.

Type

Payload

Status

Non-operational

Owner

MAI

Country

China

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 16526U 86010A   26184.95254773 -.00000109  00000-0  00000-0 0  9999
2 16526  10.5832 323.4576 0002545 301.6974  78.2736  1.00209777155633

Source: Celestrak

Summary
STTW-1, also known as Shiyong Tongbu Tongxin Wx., is a communication satellite launched on February 1, 1986, from the Xichang Satellite Launch Center (XICLF), using a Chang Zheng 3 launch vehicle from LC3. The spacecraft measures 1.6 meters in length and has a diameter of 2.1 meters with a span of 2.1 meters. It is equipped with DFH-2 bus configuration and two C-band transponders for communication purposes. STTW-1 was manufactured by CAST (China Academy of Space Technology) and operated under the ownership of MAI (Ministry of Aerospace Industry). The satellite has a dry mass of 395 kilograms, identical to its launch mass, powered by solar cells and batteries. It features a cylindrical shape with antennas and has an RCS value of 10.
Physical Characteristics

Length

1.6

Diameter

2.1

Span

2.1

Dry Mass

395

Launch Mass

395

Shape

Cyl + Ant

Radar Cross Section

10

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

DFH-2

Purpose

Communication

Mission

Communication

Manufacturer

CAST

Life Expectancy

Unknown

Bus

DFH-2

Configuration

DFH-2 Bus

Motor

FG-15

Equipment

2 C-band transponders

Power System

Solar cells, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

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