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Tianwen

retired

吉林一号高分03D06

Earth ObservationLEOCOSPAR 2022-046CLaunched 4/30/2022
Admin Edit
Mission & Launch
Launch Mission
Jilin-1 03D-04-07/04A
Launch Vehicle
Long March 11 H
Launch Date
4/30/2022
Last Contact
4/22/2026
Orbit & Mass
Orbit Class
LEO
Altitude
537 km
Inclination
97.53 deg
Orbit Plane
1
Dry Mass
43 kg
Total Mass
43 kg
Payload Classification
Mission Type
Earth Observation
Payload Category
IMG
Payload Class
B
Organizations
Operator
Chang Guang Satellite Technology Co. Ltd. (CGSTL)
Manufacturer
Chang Guang Satellite Technology Co. Ltd. (CGSTL)
Constellation
Name
Jilin-1
Active Satellites
84
Planned Satellites
300
Registry
COSPAR ID
2022-046C
UN Registration
ST/SG/SER.E/1123
Track
Mentions
274
All verified mentions of this spacecraft in source documents.
0.0-5.0
Actions

The successful observation of 3I/ATLAS is considered an important extended mission for Tianwen-1.

PlanValue 2.0Nov 7, 2025Tianwen-1 Mars Orbiter Performs Closest Observation of Interstellar Comet

The Tianwen-1 probe entered Mars orbit in February 2021 and has been operating stably for 4 years and 8 months.

General
Page5of14
Capability
Value 4.0
Nov 7, 2025
Tianwen-1 Mars Orbiter Performs Closest Observation of Interstellar Comet

The Tianwen-1 orbiter successfully observed the interstellar object 3I/ATLAS using its high-resolution camera.

CapabilityValue 4.0Nov 7, 2025Tianwen-1 Mars Orbiter Performs Closest Observation of Interstellar Comet

During the observation, the Tianwen-1 orbiter was approximately thirty million kilometers from 3I/ATLAS.

CapabilityValue 3.6Nov 7, 2025Tianwen-1 Mars Orbiter Performs Closest Observation of Interstellar Comet

The Tianwen-1 orbiter was designed to photograph the bright Martian surface.

CapabilityGeneralValue 3.0Nov 7, 2025Tianwen-1 Mars Orbiter Performs Closest Observation of Interstellar Comet

The extended mission of Tianwen 1 aims to advance deep-space navigation, sensor calibration, and astronomical observation technologies.

CapabilityPlanValue 2.2Nov 6, 2025China's Mars orbiter captures detailed images of interstellar object 3I ATLAS

The video captured by Tianwen-1 provides a rare close-up view of interstellar comet 3I/ATLAS with its high-resolution camera.

CapabilityGeneralValue 2.0Nov 6, 2025Tianwen-1 Mars orbiter captured video of interstellar comet 3I/ATLAS from 30 million km away, a rare close-up view of the dark visitor with its high-res camera. Full HD:https://youtu.be/kOQj2mpn8Lo

China's Tianwen 2 initiative was launched in May 2025 to retrieve material from a near-Earth asteroid and study a main-belt comet.

PlanCapabilityValue 4.0Nov 6, 2025China's Mars orbiter captures detailed images of interstellar object 3I ATLAS

The observation of 3I/ATLAS by Tianwen-1 occurred at a distance of approximately 29 million kilometers.

CapabilityGeneralValue 2.5Nov 6, 2025Tianwen-1 Mars orbiter successfully observed the interstellar object 3I/ATLAS in early October at a distance of ~29 million km, CNSA has just announced. https://www.cnsa.gov.cn/n6758823/n6758838/c10715343/content.html

CNSA confirmed the observation of 3I/ATLAS as a major milestone in Tianwen 1's extended mission.

PlanGeneralValue 3.5Nov 6, 2025China's Mars orbiter captures detailed images of interstellar object 3I ATLAS

The Tianwen 1 orbiter has contributed extensive data on Mars' atmosphere, surface geology, and magnetic field.

CapabilityValue 3.0Nov 6, 2025China's Mars orbiter captures detailed images of interstellar object 3I ATLAS

Tianwen-1 Mars orbiter captured video of interstellar comet 3I/ATLAS from 30 million km away.

CapabilityGeneralValue 4.0Nov 6, 2025Tianwen-1 Mars orbiter captured video of interstellar comet 3I/ATLAS from 30 million km away, a rare close-up view of the dark visitor with its high-res camera. Full HD:https://youtu.be/kOQj2mpn8Lo

The Tianwen 1 orbiter has supported China's Mars rover operations.

CapabilityGeneralValue 2.6Nov 6, 2025China's Mars orbiter captures detailed images of interstellar object 3I ATLAS

Tianwen-1 Mars orbiter successfully observed the interstellar object 3I/ATLAS in early October 2023.

GeneralValue 4.0Nov 6, 2025Tianwen-1 Mars orbiter successfully observed the interstellar object 3I/ATLAS in early October at a distance of ~29 million km, CNSA has just announced. https://www.cnsa.gov.cn/n6758823/n6758838/c10715343/content.html

The Tianwen 1 mission was launched by China in July 2020 and marked the country's first independent voyage to Mars.

PlanValue 2.8Nov 6, 2025China's Mars orbiter captures detailed images of interstellar object 3I ATLAS

Shenzhou 21 successfully transferred an experimental unit with four mice to the Tianwen module of the space station.

CapabilityGeneralValue 4.0Nov 2, 2025Shenzhou 21 successfully transferred an experimental unit with four mice to the Tianwen module of the space station. The unit's conditions were all good after the autonomous rendezvous and docking on November 1, 2025. Full HD:https://youtu.be/rBSfVeTTjns

Future Chinese space missions include sample return from Mars (Tianwen 3), Jupiter system exploration (Tianwen 4), and deployment of a solar polar-orbit observatory.

PlanCapabilityValue 3.0Oct 29, 2025China aims to lead international space science with new discoveries

Tianwen-2 is expected to carry out an orbital correction maneuver around October 30.

PlanValue 3.0Oct 27, 2025We're expecting Tianwen-2 to carry out an orbital correction manoeuvre around October 30, according to unofficial info. We may see a mission update in a few days.

China launched its Tianwen-2 space mission in May to collect asteroid samples and conduct a main-belt comet study.

PlanGeneralValue 4.0Oct 24, 2025China's Zhuque-3 reusable rocket passes key test to rival SpaceX

The Tianwen 2 mission is expected to last about a decade and deepen scientific understanding of the solar system's formation and the properties of small celestial bodies.

PlanGeneralValue 3.0Oct 21, 2025China expands space capabilities with new lunar and deep space milestones