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N-6

N-4 Spacecraft

N-4 Spacecraft
Cutaway view of N-4 spacecraft. This heavy high-energy physics station was launched on the first four test launches of the Proton launch vehicle.
Credit: Chelomei School, Leninsk

Russian cosmic ray astronomy satellite. Proton 4. Cosmic ray measurements. Study of the nature of high and ultra-high energy cosmic rays and their interaction with atomic nuclei. Mass announced at time of launch 17,000 kg.

Status: Operational 1968. First Launch: 1968-11-16. Last Launch: 1968-11-16. Number: 1 . Payload: 12,500 kg (27,500 lb). Gross mass: 16,000 kg (35,000 lb). Span: 4.10 m (13.40 ft).

Scientific payload 12,500 kg; operated for 100 days in orbit.



Subtopics

Proton 4 (Proton-2 1 / N-6 #1) Science satellite, Russia. Launched 1968.

Family: Astronomy, Cosmic ray astronomy satellite, Space station orbit. Country: Russia. Launch Vehicles: Proton, Proton-K. Launch Sites: Baikonur, Baikonur LC81/24. Agency: Chelomei bureau, MOM. Bibliography: 2, 273, 274, 6, 67.
Photo Gallery

Proton 4Proton 4
Credit: Manufacturer Image



1968 November 16 - . 11:40 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC81/24. LV Family: Proton. Launch Vehicle: Proton-K.
  • Proton 4 - . Payload: N-6 s/n 1. Mass: 16,000 kg (35,000 lb). Nation: Russia. Agency: MOM. Program: Proton. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft: N-6 . Decay Date: 1969-07-24 . USAF Sat Cat: 3544 . COSPAR: 1968-103A. Apogee: 477 km (296 mi). Perigee: 248 km (154 mi). Inclination: 51.6000 deg. Period: 91.80 min. First launch of the Proton three-stage variant. The satellite studied the nature of high and ultra-high energy cosmic rays and their interaction with atomic nuclei. Scientific payload 12,500 kg; operated for 100 days in orbit. .


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