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🛰️ SATELLITE · HISTORICAL RECORD

Shiyan 11

Re-entered 15 Aug 2025

Shiyan 11 (NORAD 49501, COSPAR 2021-112A) was a CN satellite that re-entered Earth's atmosphere on 15 Aug 2025, launched on 24 Nov 2021 on the Shiyan 11 mission. It was operated by CASC as part of the SW11 programme. The spacecraft was built by DFHS on the SY-11 bus, with a mass of 200 kg. Like most satellites in low orbits, it was gradually slowed by atmospheric drag until re-entry. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.

2021
launched
2025
re-entered
4
years on orbit
200
kg mass

Lifecycle

Launched24 Nov 2021 · on the Shiyan 11 mission
Operational1 Jan 2024 · entered service
Retired1 Jan 2024 · end of operational service
Re-entered15 Aug 2025 · atmospheric re-entry — object destroyed

Specifications

NORAD ID49501
COSPAR2021-112A
TypeSatellite
OperatorCASC
Country / StateCN
ManufacturerDFHS
BusSY-11
Mass200 kg
ProgrammeSW11
CategoryIMG-R
OrbitLEO (LLEO/S)
Altitude489 × 502 km
Inclination97.5°

Frequently asked questions

What happened to Shiyan 11?

Shiyan 11 re-entered Earth's atmosphere on 15 Aug 2025, ending a mission that began with its launch in 2021. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Shiyan 11 re-enter the atmosphere?

Shiyan 11 re-entered on 15 Aug 2025, according to Orbital Radar's historical catalogue records.

Who operated and built Shiyan 11?

Shiyan 11 was operated by CASC and built by DFHS (CN).

Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.