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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

A leaked schedule has Tianwen-2 rendezvousing with Kamoʻoalewa around June 7.

PlanValue 2.6Jun 3, 2026Tianwen-2 Approaching Asteroid Kamoʻoalewa For Sample Collection

Tianwen-2’s extended mission will take it into the asteroid belt between Mars and Jupiter to focus primarily on asteroid 311P/PanSTARRS before the end of 2034.

Plan
Page2of14
General
Value 4.3
Jun 3, 2026
Tianwen-2 Approaching Asteroid Kamoʻoalewa For Sample Collection

Tianwen-2 carries instruments for surface and subsurface composition analysis, thermal and magnetic measurements, and asteroid environment monitoring.

CapabilityGeneralValue 4.0Jun 3, 2026Tianwen-2 Approaching Asteroid Kamoʻoalewa For Sample Collection

The Tianwen-2 primary and extended mission is providing insight into how to approach and survey asteroids for a deflection test expected to begin in late 2027.

PlanCapabilityGeneralValue 3.0Jun 3, 2026Tianwen-2 Approaching Asteroid Kamoʻoalewa For Sample Collection

Tianwen-2 is expected to depart Kamoʻoalewa before the end of April 2027.

PlanValue 4.0Jun 3, 2026Tianwen-2 Approaching Asteroid Kamoʻoalewa For Sample Collection

The Tianwen-3 mission is expected to return about 500 grams of Martian samples to Earth in 2031.

PlanValue 4.5Apr 24, 2026Tianwen-3 Mars sample return: CNSA has selected five international and Hong Kong and Macao cooperation payloads to add to the mission, scheduled to launch in late 2028 via two Long March 5 rockets. Return to Earth with ~500g of samples in 2031.

Tianwen-3 aims to return at least 500 grams of Martian samples to Earth by 2031.

PlanValue 4.0Apr 24, 2026China is sticking to its 2028 launch target for the Tianwen-3 Mars Sample Return mission, aiming to bring at least 500 grams of Martian samples back by 2031.

The Tianwen-3 return orbiter is scheduled to launch in November 2028 in both mission plans.

PlanValue 4.0Apr 24, 2026China is sticking to its 2028 launch target for the Tianwen-3 Mars Sample Return mission, aiming to bring at least 500 grams of Martian samples back by 2031.

China is sticking to a 2028 launch target for the Tianwen-3 Mars Sample Return mission.

PlanValue 4.0Apr 24, 2026China is sticking to its 2028 launch target for the Tianwen-3 Mars Sample Return mission, aiming to bring at least 500 grams of Martian samples back by 2031.

The Tianwen-3 mission uses one launch for the lander and ascender and a separate launch for the orbiter and return vehicle.

PlanValue 4.0Apr 24, 2026Tianwen-3 Mars sample return: CNSA has selected five international and Hong Kong and Macao cooperation payloads to add to the mission, scheduled to launch in late 2028 via two Long March 5 rockets. Return to Earth with ~500g of samples in 2031.

The Tianwen-3 lander-ascender is scheduled to launch in December or May in the two mission plans.

PlanValue 3.5Apr 24, 2026China is sticking to its 2028 launch target for the Tianwen-3 Mars Sample Return mission, aiming to bring at least 500 grams of Martian samples back by 2031.

Tianwen-3’s orbiter and service module provide a total of 20 kilograms of piggyback payload capacity.

CapabilityValue 4.0Apr 24, 2026Tianwen-3 Mars return mission. Plan to launch at 2028 & return at 2031.

Both Tianwen-3 Mars sample return plans target a July 2031 return to Earth.

PlanValue 4.0Apr 24, 2026China is sticking to its 2028 launch target for the Tianwen-3 Mars Sample Return mission, aiming to bring at least 500 grams of Martian samples back by 2031.

China's two Tianwen-3 Mars sample return plans both require two Long March 5 launches in 2028.

PlanCapabilityValue 4.0Apr 24, 2026China is sticking to its 2028 launch target for the Tianwen-3 Mars Sample Return mission, aiming to bring at least 500 grams of Martian samples back by 2031.

CNSA has selected five international, Hong Kong, and Macao cooperation payloads for the Tianwen-3 Mars sample return mission.

RelationshipsPlanValue 4.3Apr 24, 2026Tianwen-3 Mars sample return: CNSA has selected five international and Hong Kong and Macao cooperation payloads to add to the mission, scheduled to launch in late 2028 via two Long March 5 rockets. Return to Earth with ~500g of samples in 2031.

The Tianwen-3 Mars sample return mission is scheduled to launch in late 2028 on two Long March 5 rockets.

PlanGrowthValue 4.2Apr 24, 2026Tianwen-3 Mars sample return: CNSA has selected five international and Hong Kong and Macao cooperation payloads to add to the mission, scheduled to launch in late 2028 via two Long March 5 rockets. Return to Earth with ~500g of samples in 2031.

Tianwen-3 is planned to return to Earth in 2031.

PlanValue 4.0Apr 24, 2026Tianwen-3 Mars return mission. Plan to launch at 2028 & return at 2031.

Tianwen-3 is a Mars sample return mission planned to launch in 2028.

PlanValue 4.0Apr 24, 2026Tianwen-3 Mars return mission. Plan to launch at 2028 & return at 2031.

Tianwen-2 is expected to inform aspects of China’s asteroid deflection test mission by improving understanding of how to approach and survey asteroids.

CapabilityPlanValue 3.2Mar 24, 2026China's First Asteroid Deflection Test Mission to Begin in Late 2027

Lanyue’s guidance sensors incorporate improvements over systems flown on Chang’e lunar landers and the Tianwen-1 Mars lander through greater autonomous control and redundancy.

CapabilityGeneralValue 3.2Mar 21, 2026Mengzhou Abort Plans, Lanyue Lander Systems Detailed in New Papers