Tianwen-1

Chinese Mars probe with an orbiter, lander and rover. Tianwen-1 was launched on July 23, 2020 aboard a Chang Zheng 5 from Wenchang. Latest status in GCAT: left Earth orbit for deep space (Jul 23, 2020).

COSPAR 2020-049ANORAD 45935China

Identity

Name in GCAT: Tianwen-1 Orbiter
Common name: Tianwen-1
Payload designation: Tianwen-1
International designator: 2020-049A
NORAD catalog number: 45935
GCAT identifier: S45935
UN registration: ST/SG/SER.E/1033

Mission

Mission type: Deep space
Use: Civil government
Program: Tianwen
Owner: LDSE
Country: China
Builder: Shanghai Academy of Space Technology (CASC 8th Acad)
Platform (bus): Tianwen

Launch

Date: July 23, 2020 · 04:41 UTC
Launch record: 2020-049Success
Rocket: Chang Zheng 5
Spaceport: Wenchang · pad LC101

Orbit and fate

Orbit class (GCAT): EEO
Perigee: 177 km
Inclination: 29.42°
Status: Left Earth orbit for deep space
Status date: July 23, 2020
Last known active: Dec 29, 2022
End of operations: January 2023

Size

Mass: 3,175 kg
Dry mass: 1,645 kg
Total mass with attached objects: 4,920 kg
Length: 2.0 m
Diameter: 4.00 m
Span: 10.0 m

Deep space

Deep-space catalog entry: D01029
Final central body: Mars
Phase start: February 5, 2021
Phase outcome: Entered orbit around the target · February 10, 2021

Flight phases

From	Central body	Ended	Outcome	Next
Jul 23, 2020	Earth	Jul 27, 2020	Escaped to another body	HCO
Feb 10, 2021	Mars	—	In orbit	—

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q23580572 (CC0).