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🛰️ SATELLITE · HISTORICAL RECORD

DEAR-1 SM

Re-entered 1 Oct 2025

DEAR-1 SM (NORAD 58586, COSPAR 2023-199A) was a CN satellite that re-entered Earth's atmosphere on 1 Oct 2025, launched on 16 Dec 2023 on the Dier-1 mission. It was operated by ZYK as part of the DEAR SM programme. The spacecraft was built by ZYK on the DEAR A10 bus, with a mass of 150 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.

2023
launched
2025
re-entered
2
years on orbit
150
kg mass

Lifecycle

Launched16 Dec 2023 · on the Dier-1 mission
Operational1 May 2024 · entered service
Retired1 May 2024 · end of operational service
Re-entered1 Oct 2025 · atmospheric re-entry — object destroyed

Specifications

NORAD ID58586
COSPAR2023-199A
TypeSatellite
OperatorZYK
Country / StateCN
ManufacturerZYK
BusDEAR A10
Mass150 kg
ProgrammeDEAR SM
CategoryMGRAV
OrbitLEO (LLEO/S)
Altitude490 × 504 km
Inclination97.4°

Frequently asked questions

What happened to DEAR-1 SM?

DEAR-1 SM re-entered Earth's atmosphere on 1 Oct 2025, ending a mission that began with its launch in 2023. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did DEAR-1 SM re-enter the atmosphere?

DEAR-1 SM re-entered on 1 Oct 2025, according to Orbital Radar's historical catalogue records.

Who operated and built DEAR-1 SM?

DEAR-1 SM was operated by ZYK and built by ZYK (CN).

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