Ctrl K

© Polaris Intelligence 2026

Privacy Terms Admin

Tianwen-1 Orbiter

retired

天問一号

Science ExplorationinterplanetaryCOSPAR 2020-049ALaunched 7/23/2020

Mission & Launch

Launch Mission: Tianwen-1
Launch Vehicle: Long March 5
Launch Date: 7/23/2020
Last Contact: 1/22/2023

Orbit & Mass

Orbit Class: interplanetary
Altitude: -39,790 km
Inclination: 29.42 deg
Dry Mass: 1,645 kg
Total Mass: 4,920 kg

Payload Classification

Mission Type: Science Exploration
Payload Category: PLAN
Payload Class: C

Organizations

Operator: Key Lab of Lunar and Deep Space Exploration
Manufacturer: Shanghai Academy of Space Technology (SAST)

Registry

COSPAR ID: 2020-049A
UN Registration: ST/SG/SER.E/1033