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🛰️ SATELLITE · HISTORICAL RECORD

e-kagaku-1

Re-entered 4 Mar 2026

e-kagaku-1 (NORAD 65942, COSPAR 1998-067XP) was a J satellite that re-entered Earth's atmosphere on 4 Mar 2026, launched on 14 Sep 2025 on the 77KM No. 17501 mission. It was operated by EKAG as part of the e-kagaku programme. The spacecraft was built by EKAG on the Cubesat 1U bus, with a mass of 1 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.

2025
launched
2026
re-entered
1
year on orbit
1
kg mass

Lifecycle

Launched14 Sep 2025 · on the 77KM No. 17501 mission
Operational1 Feb 2026 · entered service
Retired1 Feb 2026 · end of operational service
Re-entered4 Mar 2026 · atmospheric re-entry — object destroyed

Specifications

NORAD ID65942
COSPAR1998-067XP
TypeSatellite
OperatorEKAG
Country / StateJ
ManufacturerEKAG
BusCubesat 1U
Mass1 kg
Programmee-kagaku
CategoryTECH
OrbitLEO (LLEO/I)
Altitude412 × 416 km
Inclination51.6°

Frequently asked questions

What happened to e-kagaku-1?

e-kagaku-1 re-entered Earth's atmosphere on 4 Mar 2026, ending a mission that began with its launch in 2025. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did e-kagaku-1 re-enter the atmosphere?

e-kagaku-1 re-entered on 4 Mar 2026, according to Orbital Radar's historical catalogue records.

Who operated and built e-kagaku-1?

e-kagaku-1 was operated by EKAG and built by EKAG (J).

Launched together

77KM No. 175-01Re-entered 1998ILLUMA-TRe-entered 2023BIRDS-XRe-entered 2026Atsushi Space ChallengeRe-entered 2025STARS-Me2Re-entered 2026RSP-03Re-entered 2026GHS-01Re-entered 2026YOTSUBA-KULOVERRe-entered 2026
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.