2026-244Latest orbital launch: Falcon 9 · Starlink Group 15-16 · Oct 27, 2026 · VandenbergLaunch record →
sci-techmaventhe history of spaceflight, in data
  1. Home
  2. Spacecraft
  3. Proton 2
// space science · 1965

Proton 2

Proton 2 was launched on November 2, 1965 aboard a UR-500 from Baikonur. Latest status in GCAT: reentered (orbital decay) (Feb 6, 1966).

COSPAR 1965-087ANORAD 1701Soviet Union

Identity

Name in GCAT
Proton-2
Common name
Proton 2
Payload designation
N-4 No. 2
International designator
1965-087A
NORAD catalog number
1701
GCAT identifier
S01701
UN registration
A/AC.105/INF.117

Mission

Mission type
Space science
Use
Civil government
Program
N-4
Owner
OKB-1
Country
Soviet Union
Builder
OKB-1 im. S.P. Korolev
Platform (bus)
Proton N-4

Launch

Date
November 2, 1965 · 12:28 UTC
Launch record
1965-087Success
Rocket
UR-500
Spaceport
Baikonur · pad LC81/23

Orbit and fate

Orbit class (GCAT)
LLEO/I
Perigee
151 km
Apogee
277 km
Inclination
63.44°
Status
Reentered (orbital decay)
Status date
February 6, 1966
Last known active
Feb 6, 1966
End of operations
Feb 6, 1966

Size

Mass
8,300 kg
Dry mass
8,300 kg
Length
4.0 m
Diameter
4.10 m
Span
9.0 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q10354697 (CC0).