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DS-U2-V No. 4

Re-entered 24 Mar 1968

DS-U2-V No. 4 (NORAD 3128, COSPAR 1968-010A) was a SU satellite that re-entered Earth's atmosphere on 24 Mar 1968, launched on 20 Feb 1968 on the DS-U2-V No. 4 mission. It was operated by YUZH as part of the DS-U2-V programme. The spacecraft was built by YUZH on the DS-U2 bus, with a mass of 240 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.

1968
launched
1968
re-entered
0
years on orbit
240
kg mass

Lifecycle

Launched20 Feb 1968 · on the DS-U2-V No. 4 mission
Operational24 Mar 1968 · entered service
Retired24 Mar 1968 · end of operational service
Re-entered24 Mar 1968 · atmospheric re-entry — object destroyed

Specifications

NORAD ID3128
COSPAR1968-010A
TypeSatellite
OperatorYUZH
Country / StateSU
ManufacturerYUZH
BusDS-U2
Mass240 kg
ProgrammeDS-U2-V
CategoryTECH?
OrbitLEO (LLEO/I)
Altitude211 × 446 km
Inclination48.4°

Frequently asked questions

What happened to DS-U2-V No. 4?

DS-U2-V No. 4 re-entered Earth's atmosphere on 24 Mar 1968, ending a mission that began with its launch in 1968. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did DS-U2-V No. 4 re-enter the atmosphere?

DS-U2-V No. 4 re-entered on 24 Mar 1968, according to Orbital Radar's historical catalogue records.

Who operated and built DS-U2-V No. 4?

DS-U2-V No. 4 was operated by YUZH and built by YUZH (SU).

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