E-6S No. 206 ISL

Re-entered 3 Apr 1966

E-6S No. 206 ISL (NORAD 2126, COSPAR 1966-027A) was a SU satellite that re-entered Earth's atmosphere on 3 Apr 1966, launched on 31 Mar 1966 on the E-6S No. 206 ISL mission. It was operated by TSKBEM as part of the E-6S programme. The spacecraft was built by TSKBEM on the E-6 ISL bus, with a mass of 245 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.

1966

launched

1966

re-entered

years on orbit

245

kg mass

Lifecycle

Launched31 Mar 1966 · on the E-6S No. 206 ISL mission

Operational29 May 1966 · entered service

Retired29 May 1966 · end of operational service

Re-entered3 Apr 1966 · atmospheric re-entry — object destroyed

Specifications

NORAD ID2126

COSPAR1966-027A

TypeSatellite

OperatorTSKBEM

Country / StateSU

ManufacturerTSKBEM

BusE-6 ISL

Mass245 kg

ProgrammeE-6S

CategoryPLAN

OrbitBEO (CLO)

Altitude200 × 500,000 km

Inclination52.0°

Frequently asked questions

What happened to E-6S No. 206 ISL?

E-6S No. 206 ISL re-entered Earth's atmosphere on 3 Apr 1966, ending a mission that began with its launch in 1966. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did E-6S No. 206 ISL re-enter the atmosphere?

E-6S No. 206 ISL re-entered on 3 Apr 1966, according to Orbital Radar's historical catalogue records.

Who operated and built E-6S No. 206 ISL?

E-6S No. 206 ISL was operated by TSKBEM and built by TSKBEM (SU).

Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.

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