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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

Activity at the Wenchang Satellite Launch Center suggests a Tianwen-1 launch date around 2020-07-23, although China has not announced an official launch window.

PlanValue 3.0Jun 30, 2020Final Beidou-3 satellite reaches operational orbit, China’s launch sites gear up for July missions

Tianwen-1 will be followed by a Mars sample return mission planned for around 2030.

Plan
Page14of14
Value 4.0
May 25, 2020
Rocket arrives as China targets July for Tianwen-1 Mars mission launch

During entry, descent, and landing the Tianwen-1 landing segment must reduce speed from 20,0 m per hour to zero.

CapabilityValue 4.0May 25, 2020Rocket arrives as China targets July for Tianwen-1 Mars mission launch

The Tianwen-1 spacecraft arrived at the Wenchang launch center on 2020-04-10 after air delivery to Haikou airport.

PlanGeneralValue 3.0May 25, 2020Rocket arrives as China targets July for Tianwen-1 Mars mission launch

China is preparing to launch the Tianwen-1 Mars mission following delivery of a Long March 5 launch vehicle to the Wenchang launch center.

PlanGeneralValue 4.2May 25, 2020Rocket arrives as China targets July for Tianwen-1 Mars mission launch

A 70-meter-diameter antenna was hoisted in Tianjin on 2020-04-25 to support Tianwen-1 mission communications.

CapabilityPlanValue 4.0May 25, 2020Rocket arrives as China targets July for Tianwen-1 Mars mission launch

Upgrades and updates to China’s deep space network facilities are underway to support the Tianwen-1 mission.

CapabilityPlanValue 3.0May 25, 2020Rocket arrives as China targets July for Tianwen-1 Mars mission launch

The space tracking ship Yuanwang 6 left port to test new equipment and antennas for tracking and supporting the Tianwen-1 mission.

PlanCapabilityValue 4.0May 25, 2020Rocket arrives as China targets July for Tianwen-1 Mars mission launch

A standard Long March 5 will be used to launch the Tianwen-1 orbiter and rover into a Mars transfer orbit from Wenchang in late July or early August.

PlanCapabilityValue 4.0Apr 29, 2020Long March 5B rolled out for crewed spacecraft, space station test launch

The Tianwen-1 spacecraft is expected to reach Mars around February 2021.

PlanValue 3.5Apr 24, 2020China’s Mars mission named Tianwen-1, appears on track for July launch

The Tianwen-1 mission will launch in the July–August Mars 2020 launch window alongside NASA’s Perseverance Mars 2020 rover and the United Arab Emirates’ Hope Mars orbiter.

PlanValue 4.5Apr 24, 2020China’s Mars mission named Tianwen-1, appears on track for July launch

The Tianwen-1 spacecraft has been delivered to Wenchang Satellite Launch Center.

PlanCapabilityValue 4.0Apr 24, 2020China’s Mars mission named Tianwen-1, appears on track for July launch

There are suggestions that the Tianwen-1 rover landing attempt may take place in April 2021 months after spacecraft arrival to allow mapping and observation of the landing site.

PlanGeneralValue 2.2Apr 24, 2020China’s Mars mission named Tianwen-1, appears on track for July launch

Tianwen-1 is expected to launch on a Long March 5 launcher from Wenchang in the late July–early August Mars launch window.

PlanValue 4.0Apr 24, 2020China’s Mars mission named Tianwen-1, appears on track for July launch