Zenit-4 No. 58L

Re-entered 1 Apr 1969

Zenit-4 No. 58L (NORAD 3833, COSPAR 1969-028A) was a SU satellite that re-entered Earth's atmosphere on 1 Apr 1969, launched on 24 Mar 1969 on the Zenit-4 No. 58 mission. It was operated by TSUKOS as part of the Zenit-4 programme. The spacecraft was built by TSKBE3 on the Zenit-4 bus, with a mass of 2,200 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

years on orbit

2,200

kg mass

Lifecycle

Launched24 Mar 1969 · on the Zenit-4 No. 58 mission

Operational1 Apr 1969 · entered service

Retired1 Apr 1969 · end of operational service

Re-entered1 Apr 1969 · atmospheric re-entry — object destroyed

Specifications

NORAD ID3833

COSPAR1969-028A

TypeSatellite

OperatorTSUKOS

Country / StateSU

ManufacturerTSKBE3

BusZenit-4

Mass2,200 kg

ProgrammeZenit-4

CategoryIMG

OrbitLEO (LLEO/I)

Altitude204 × 299 km

Inclination65.0°

Frequently asked questions

What happened to Zenit-4 No. 58L?

Zenit-4 No. 58L re-entered Earth's atmosphere on 1 Apr 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 Zenit-4 No. 58L re-enter the atmosphere?

Zenit-4 No. 58L re-entered on 1 Apr 1969, according to Orbital Radar's historical catalogue records.

Who operated and built Zenit-4 No. 58L?

Zenit-4 No. 58L was operated by TSUKOS and built by TSKBE3 (SU).

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

Browse the live satellite directory → Re-entered satellites archive → Launch record: Zenit-4 No. 58 → What is space debris? →