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Tianwen-2

active

天问二号

Science ExplorationinterplanetaryCOSPAR 2025-114ALaunched 5/28/2025

Mission & Launch

Launch Mission: Tianwen-2 Mission
Launch Vehicle: Long March 3B G2
Launch Date: 5/28/2025

Orbit & Mass

Orbit Class: interplanetary
Altitude: -37,415 km
Inclination: 28 deg
Dry Mass: 1,500 kg
Total Mass: 2,100 kg

Payload Classification

Mission Type

Science Exploration

Payload Category

PLAN

Payload Class

C

Organizations

Operator: China Aerospace Science and Technology Corp. (CASC)
Manufacturer: China Academy of Space Technology (CAST)

Registry

COSPAR ID: 2025-114A