HomeLibraryRe-entered SatellitesE-8-5 No. 407
🛰️ SATELLITE · HISTORICAL RECORD

E-8-5 No. 407

Re-entered 3 Sep 1971

E-8-5 No. 407 (NORAD 5448, COSPAR 1971-073A) was a SU satellite that re-entered Earth's atmosphere on 3 Sep 1971, launched on 2 Sep 1971 on the E-8-5 No. 407 mission. It was operated by IKI / BABTS as part of the E-8-5 programme. The spacecraft was built by NPOL 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.

1971
launched
1971
re-entered
0
years on orbit
3,180
kg mass

Lifecycle

Launched2 Sep 1971 · on the E-8-5 No. 407 mission
Operational11 Sep 1971 · entered service
Retired11 Sep 1971 · end of operational service
Re-entered3 Sep 1971 · atmospheric re-entry — object destroyed

Specifications

NORAD ID5448
COSPAR1971-073A
TypeSatellite
OperatorIKI / BABTS
Country / StateSU
ManufacturerNPOL
BusLuna E-8
Mass3,180 kg (1,360 kg dry)
ProgrammeE-8-5
CategoryPLAN
OrbitBEO (CLO)
Altitude200 × 400,000 km
Inclination51.5°

Frequently asked questions

What happened to E-8-5 No. 407?

E-8-5 No. 407 re-entered Earth's atmosphere on 3 Sep 1971, ending a mission that began with its launch in 1971. 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. 407 re-enter the atmosphere?

E-8-5 No. 407 re-entered on 3 Sep 1971, according to Orbital Radar's historical catalogue records.

Who operated and built E-8-5 No. 407?

E-8-5 No. 407 was operated by IKI / BABTS and built by NPOL (SU).

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