Tianwen-2

Chinese asteroid and comet exploration mission. Tianwen-2 was launched on May 28, 2025 aboard a Chang Zheng 3B from Xichang. Latest status in GCAT: left Earth orbit for deep space (May 29, 2025).

COSPAR 2025-114ANORAD 64197China

Identity

Name in GCAT: Tianwen-2
International designator: 2025-114A
NORAD catalog number: 64197
GCAT identifier: S64197

Mission

Mission type: Deep space
Use: Civil government
Program: Tianwen
Owner: CASC
Country: China
Builder: Chinese Academy of Space Technology, Beijing (CASC 5th Acad)
Platform (bus): DFH-4?

Launch

Date: May 28, 2025 · 17:31 UTC
Launch record: 2025-114Success
Rocket: Chang Zheng 3B
Spaceport: Xichang · pad LC2

Orbit and fate

Orbit class (GCAT): EEO
Perigee: 170 km
Inclination: 28.00°
Status: Left Earth orbit for deep space
Status date: May 29, 2025
Last known active: May 28, 2025

Size

Mass: 2,100 kg
Dry mass: 1,500 kg
Length: 2.5 m
Diameter: 2.00 m
Span: 15.0 m

Deep space

Deep-space catalog entry: D01189
Final central body: Earth
Phase start: May 29, 2025
Phase outcome: Escaped to another body · June 2, 2025
Destination: HCO

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q65005927 (CC0).