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🛰️ SATELLITE · HISTORICAL RECORD

KSF3-B

Re-entered 7 Dec 2025

KSF3-B (NORAD 55019, COSPAR 2023-001L) was a L satellite that re-entered Earth's atmosphere on 7 Dec 2025, launched on 3 Jan 2023 on the Transporter-6 mission. It was operated by KLEOS as part of the Kleos programme. The spacecraft was built by ISISBV on the Cubesat 6U bus, with a mass of 10 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
10
kg mass

Lifecycle

Launched3 Jan 2023 · on the Transporter-6 mission
Operational1 Nov 2025 · entered service
Retired1 Nov 2025 · end of operational service
Re-entered7 Dec 2025 · atmospheric re-entry — object destroyed

Specifications

NORAD ID55019
COSPAR2023-001L
TypeSatellite
OperatorKLEOS
Country / StateL
ManufacturerISISBV
BusCubesat 6U
Mass10 kg
ProgrammeKleos
CategorySIG
OrbitLEO (LLEO/S)
Altitude524 × 538 km
Inclination97.5°

Frequently asked questions

What happened to KSF3-B?

KSF3-B re-entered Earth's atmosphere on 7 Dec 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 KSF3-B re-enter the atmosphere?

KSF3-B re-entered on 7 Dec 2025, according to Orbital Radar's historical catalogue records.

Who operated and built KSF3-B?

KSF3-B was operated by KLEOS and built by ISISBV (L).

Launched together

STAR VIBENORAD 55009Dove 24b1Re-entered 2025Lynk Tower 4NORAD 55034Dove 242eRe-entered 2024Umbra-05Re-entered 2025Lemur-2 FM164 (L3C)Re-entered 2024Lemur-2 FM167Re-entered 2024Dove 2415Re-entered 2024
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.