TJS-7 (49115)

COSPAR: 2021-077A | Alt Name: Tongxin Jishu Shiyan 7

Image
TJS-7 Satellite Image
Additional Sources
Launch Details

Launch Date

August 24, 2021

Launch Site

XICLF

Launch Pad

LC3

Launch Vehicle

Chang Zheng 3B

Orbital Elements

NORAD ID

49115

International Designator

2021-077A

Epoch

Sat, 04 Jul 2026 04:51:40 GMT

Apogee

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Perigee

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Inclination

0.31°

Right Ascension

264.40°

Eccentricity

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Argument of Perigee

116.38°

Period

1436.11 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

TJS-7

Alternative Name

Tongxin Jishu Shiyan 7

Type

Payload

Status

Operational

Owner

CASC

Country

China

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 49115U 21077A   26185.20255131 -.00000112  00000-0  00000-0 0  9993
2 49115   0.3138 264.4009 0003444 116.3829 234.8917  1.00271219  9711

Source: Celestrak

Summary
TJS-7, also known as Tongxin Jishu Shiyan 7, is a satellite operated by CASC and manufactured by SISE. It was launched on August 24, 2021, from the Xichang Satellite Launch Center (XICLF) using the Chang Zheng 3B launch vehicle from launch pad LC3. The spacecraft has dimensions of 5 meters in length, 2.5 meters in diameter, and a span of 30 meters. It weighs 4000 kg at launch with a dry mass of 2500 kg. TJS-7 is equipped with Huoyan 4 payload and powered by two deployable solar arrays along with batteries. The satellite's shape consists of a box structure with two panels, and its mission and purpose are related to technology. The BUS for this satellite is FY-4, and the configuration is SAST-5000 (with some uncertainty).
Physical Characteristics

Length

5

Diameter

2.5

Span

30

Dry Mass

2500

Launch Mass

4000

Shape

Box+ 2 panels

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Huoyan 4

Purpose

Technology ?

Mission

Technology ?

Manufacturer

SISE

Life Expectancy

Unknown

Bus

FY-4

Configuration

SAST-5000 ?

Motor

?

Equipment

Unknown

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map
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