Program

N-4

Payloads: 3
In orbit: 0
Operational (CelesTrak): 0
Re-entered: 3
First launch: 1965-07-16
Latest launch: 1966-07-06

Owners

OKB-1 im. S.P. Korolev2
Central KB for Experimental Machine Building1

Built by

OKB-1 im. S.P. Korolev2
Central KB for Experimental Machine Building1

Payloads in this program

Name	NORAD	Launch date	Status
PROTON 1	1466	1965-07-16	Re-entered 1965-10-11
PROTON 2	1701	1965-11-02	Re-entered 1966-02-06
PROTON 3	2290	1966-07-06	Re-entered 1966-09-16

From GCAT by Jonathan McDowell (CC BY 4.0). Roles are counted from the catalogue itself, not from GCAT type labels, which GCAT describes as patchy. About this source