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🛰️ SATELLITE · HISTORICAL RECORD

KSF1-D

Re-entered 5 Dec 2023

KSF1-D (NORAD 48950, COSPAR 2021-059BZ) was a L satellite that re-entered Earth's atmosphere on 5 Dec 2023, launched on 30 Jun 2021 on the Transporter-2 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.

2021
launched
2023
re-entered
2
years on orbit
10
kg mass

Lifecycle

Launched30 Jun 2021 · on the Transporter-2 mission
Operational21 Feb 2022 · entered service
Retired21 Feb 2022 · end of operational service
Re-entered5 Dec 2023 · atmospheric re-entry — object destroyed

Specifications

NORAD ID48950
COSPAR2021-059BZ
TypeSatellite
OperatorKLEOS
Country / StateL
ManufacturerISISBV
BusCubesat 6U
Mass10 kg
ProgrammeKleos
CategorySIG
OrbitLEO (LLEO/S)
Altitude513 × 533 km
Inclination97.5°

Frequently asked questions

What happened to KSF1-D?

KSF1-D re-entered Earth's atmosphere on 5 Dec 2023, 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 KSF1-D re-enter the atmosphere?

KSF1-D re-entered on 5 Dec 2023, according to Orbital Radar's historical catalogue records.

Who operated and built KSF1-D?

KSF1-D was operated by KLEOS and built by ISISBV (L).

Launched together

Starlink TSP2-01Re-entered 2024LINCS BRe-entered 2025SpaceBEE 111Re-entered 2024Nusat-19Re-entered 2024Umbra-SAR 2001Re-entered 2024Mandrake 2ANORAD 48907Mandrake 2BNORAD 48908PACE-1NORAD 48909
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.