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🛰️ SATELLITE · HISTORICAL RECORD

NinjaSat

Re-entered 18 Sep 2025

NinjaSat (NORAD 58341, COSPAR 2023-174CP) was a J satellite that re-entered Earth's atmosphere on 18 Sep 2025, launched on 11 Nov 2023 on the Transporter-9 mission. It was operated by RIKEN / MITSUI as part of the RIKEN programme. The spacecraft was built by NANAV 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

Launched11 Nov 2023 · on the Transporter-9 mission
Operational1 Sep 2025 · entered service
Retired1 Sep 2025 · end of operational service
Re-entered18 Sep 2025 · atmospheric re-entry — object destroyed

Specifications

NORAD ID58341
COSPAR2023-174CP
TypeSatellite
OperatorRIKEN / MITSUI
Country / StateJ
ManufacturerNANAV
BusCubesat 6U
Mass10 kg
ProgrammeRIKEN
CategoryAST
OrbitLEO (LLEO/S)
Altitude511 × 525 km
Inclination97.5°

Frequently asked questions

What happened to NinjaSat?

NinjaSat re-entered Earth's atmosphere on 18 Sep 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 NinjaSat re-enter the atmosphere?

NinjaSat re-entered on 18 Sep 2025, according to Orbital Radar's historical catalogue records.

Who operated and built NinjaSat?

NinjaSat was operated by RIKEN / MITSUI and built by NANAV (J).

Launched together

Connecta T3.1Re-entered 2025Dove 24f6NORAD 58280Aether 1Re-entered 2026Dove 24fdNORAD 58282Dove 24aaRe-entered 2026Dove 24f5NORAD 58284Dove 24f2NORAD 58285Dove 24f4NORAD 58286
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.