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🛰️ SATELLITE · HISTORICAL RECORD

BOTAN

Re-entered 19 Apr 2026

BOTAN (NORAD 65943, COSPAR 1998-067XQ) was a J satellite that re-entered Earth's atmosphere on 19 Apr 2026, launched on 14 Sep 2025 on the 77KM No. 17501 mission. It was operated by Chiba kogyu as part of the Chiba programme. The spacecraft was built by CHIBA 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
Operational27 Feb 2026 · entered service
Retired27 Feb 2026 · end of operational service
Re-entered19 Apr 2026 · atmospheric re-entry — object destroyed

Specifications

NORAD ID65943
COSPAR1998-067XQ
TypeSatellite
OperatorChiba kogyu
Country / StateJ
ManufacturerCHIBA
BusCubesat 1U
Mass1 kg
ProgrammeChiba
CategoryTECH
OrbitLEO (LLEO/I)
Altitude412 × 417 km
Inclination51.6°

Frequently asked questions

What happened to BOTAN?

BOTAN re-entered Earth's atmosphere on 19 Apr 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 BOTAN re-enter the atmosphere?

BOTAN re-entered on 19 Apr 2026, according to Orbital Radar's historical catalogue records.

Who operated and built BOTAN?

BOTAN was operated by Chiba kogyu and built by CHIBA (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 2026-09-16.