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🛰️ SATELLITE · HISTORICAL RECORD

Siyuan-2

Re-entered 4 May 2024

Siyuan-2 (NORAD 59629, COSPAR 2024-083C) was a PK satellite that re-entered Earth's atmosphere on 4 May 2024, launched on 3 May 2024 on the Chang'e-6 mission. It was operated by ISTPK / SJTU as part of the PKIST programme. The spacecraft was built by ISTPK/SJTU on the Cubesat 8U? bus, with a mass of 7 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.

2024
launched
2024
re-entered
0
years on orbit
7
kg mass

Lifecycle

Launched3 May 2024 · on the Chang'e-6 mission
Operational2 Jul 2024 · entered service
Retired2 Jul 2024 · end of operational service
Re-entered4 May 2024 · atmospheric re-entry — object destroyed

Specifications

NORAD ID59629
COSPAR2024-083C
TypeSatellite
OperatorISTPK / SJTU
Country / StatePK
ManufacturerISTPK/SJTU
BusCubesat 8U?
Mass7 kg
ProgrammePKIST
CategoryPLAN
OrbitBEO (CLO)
Altitude-88 × 518,078 km
Inclination23.0°

Frequently asked questions

What happened to Siyuan-2?

Siyuan-2 re-entered Earth's atmosphere on 4 May 2024, ending a mission that began with its launch in 2024. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Siyuan-2 re-enter the atmosphere?

Siyuan-2 re-entered on 4 May 2024, according to Orbital Radar's historical catalogue records.

Who operated and built Siyuan-2?

Siyuan-2 was operated by ISTPK / SJTU and built by ISTPK/SJTU (PK).

Launched together

Chang'e-6 OrbiterRe-entered 2024
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.