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🛰️ SATELLITE · HISTORICAL RECORD

E-8-5 No. 403

Re-entered 27 Sep 1969

E-8-5 No. 403 (NORAD 4104, COSPAR 1969-080A) was a SU satellite that re-entered Earth's atmosphere on 27 Sep 1969, launched on 23 Sep 1969 on the E-8-5 No. 403 mission. It was operated by IKI / BABTS as part of the E-8-5 programme. The spacecraft was built by BABTS on the Luna E-8 bus, with a mass of 3,180 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.

1969
launched
1969
re-entered
0
years on orbit
3,180
kg mass

Lifecycle

Launched23 Sep 1969 · on the E-8-5 No. 403 mission
Operational23 Sep 1969 · entered service
Retired23 Sep 1969 · end of operational service
Re-entered27 Sep 1969 · atmospheric re-entry — object destroyed

Specifications

NORAD ID4104
COSPAR1969-080A
TypeSatellite
OperatorIKI / BABTS
Country / StateSU
ManufacturerBABTS
BusLuna E-8
Mass3,180 kg (1,360 kg dry)
ProgrammeE-8-5
CategoryPLAN
OrbitLEO (LLEO/I)
Altitude175 × 179 km
Inclination51.5°

Frequently asked questions

What happened to E-8-5 No. 403?

E-8-5 No. 403 re-entered Earth's atmosphere on 27 Sep 1969, ending a mission that began with its launch in 1969. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did E-8-5 No. 403 re-enter the atmosphere?

E-8-5 No. 403 re-entered on 27 Sep 1969, according to Orbital Radar's historical catalogue records.

Who operated and built E-8-5 No. 403?

E-8-5 No. 403 was operated by IKI / BABTS and built by BABTS (SU).

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