Q: What is Shijian-20?

A: Shijian-20 is a Chinese technology demonstration satellite launched in 2019 to test experimental technologies in geostationary orbit. It weighs 8 tonnes and was launched aboard China's Long March 5 rocket.

Q: When and how was Shijian-20 launched?

A: Shijian-20 was launched on December 27, 2019, from the Wenchang Satellite Launch Center in China using a Long March 5 heavy-lift launch vehicle.

Q: What orbit does Shijian-20 operate in?

A: Shijian-20 operates in geostationary orbit, where it remains positioned above a fixed point on Earth's surface to conduct its technology demonstration mission.

Shijian-20

Chinese satellite

Vehicle technology_demonstration_spacecraft Q80100745

Facts

14 properties

Instance of: technology demonstration spacecraft
Country: People's Republic of China^[2]
Launch date: 2019-12-27
Part of the series: Shijian^[4]
Launch vehicle: Long March 5
Mass: 8 tonne^[10]
Operator: China Academy of Space Technology^[3]
Part of series: Shijian
Satellite of: geostationary orbit
Space launch vehicle: Long March 5^[5]
Spacecraft bus: Dong Fang Hong 5^[8]
Start point: Wenchang Satellite Launch Center^[9]
Type of orbit: geostationary orbit^[6]
UTC date of spacecraft launch: December 27, 2019^[7]

🏷️ Also known as

en Shijian 20 en Shijian-20 en Shi Jian 20 en SJ-20 ru Шицзянь-20

🔖 Identifiers · 3

COSPAR ID: 2019-097A
Google Knowledge Graph ID: /g/11j1chrq7d
SCN: 44910

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections

Country 1

People's Republic of China

Instance of 1

technology demonstration spacecraft

Operator 1

China Academy of Space Technology

Part of the series 1

Shijian

Space launch vehicle 1

Long March 5

Spacecraft bus 1

Dong Fang Hong 5

Start point 1

Wenchang Satellite Launch Center

Type of orbit 1

geostationary orbit

Press Enter · cited answer in seconds

Summary

Shijian-20 is a technology demonstration spacecraft^[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

[2] ↑ Shijian-20 — country (P17): People's Republic of China. wikidata.org.
[3] ↑ Shijian-20 — operator (P137): China Academy of Space Technology. wikidata.org.
[4] ↑ Shijian-20 — part of the series (P179): Shijian. wikidata.org.
[5] ↑ Shijian-20 — space launch vehicle (P375): Long March 5. Jonathan's Space Report. wikidata.org.
[6] ↑ Shijian-20 — type of orbit (P522): geostationary orbit. wikidata.org.
[7] ↑ Shijian-20 — UTC date of spacecraft launch (P619): December 27, 2019. Jonathan's Space Report. wikidata.org.
[8] ↑ Shijian-20 — spacecraft bus (P707): Dong Fang Hong 5. wikidata.org.
[9] ↑ Shijian-20 — start point (P1427): Wenchang Satellite Launch Center. wikidata.org.
[10] ↑ Shijian-20 — mass (P2067): 8 tonne. space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.

Class ancestry

[1] ↑ Shijian-20 is an instance of technology demonstration spacecraft (Q95945728) [P31, primary]. Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Shijian-20. Retrieved November 3, 2026, from https://4ort.xyz/entity/shijian-20

MLA “Shijian-20.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 Nov. 2026, https://4ort.xyz/entity/shijian-20.

BibTeX

@misc{4ortxyz_shijian-20_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Shijian-20}}, year = {2026}, url = {https://4ort.xyz/entity/shijian-20}, note = {Accessed: 2026-11-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Shijian-20 — https://4ort.xyz/entity/shijian-20 (retrieved 2026-11-03)

Canonical URL: https://4ort.xyz/entity/shijian-20 · Last refreshed: November 3, 2026