I2P No. 413?

Re-entered 1 Nov 1968

I2P No. 413? (NORAD 3530, COSPAR 1968-097A) was a SU satellite that re-entered Earth's atmosphere on 1 Nov 1968, launched on 1 Nov 1968 on the I2P mission. It was operated by PKO as part of the IS 5V91 programme. The spacecraft was built by TSKBM/KB1 on the IS bus, with a mass of 1,400 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

years on orbit

1,400

kg mass

Lifecycle

Launched1 Nov 1968 · on the I2P mission

Operational1 Nov 1968 · entered service

Retired1 Nov 1968 · end of operational service

Re-entered1 Nov 1968 · atmospheric re-entry — object destroyed

Specifications

NORAD ID3530

COSPAR1968-097A

TypeSatellite

OperatorPKO

Country / StateSU

ManufacturerTSKBM/KB1

BusIS

Mass1,400 kg

ProgrammeIS 5V91

CategoryWEAPON

OrbitLEO (LEO/I)

Altitude530 × 2,147 km

Inclination62.3°

Frequently asked questions

What happened to I2P No. 413??

I2P No. 413? re-entered Earth's atmosphere on 1 Nov 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 I2P No. 413? re-enter the atmosphere?

I2P No. 413? re-entered on 1 Nov 1968, according to Orbital Radar's historical catalogue records.

Who operated and built I2P No. 413??

I2P No. 413? was operated by PKO and built by TSKBM/KB1 (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: I2P → What is space debris? →