User:Secretlondon/Yantar

Podvig:
3 types of Yantar: Yantar-4KS2 Kobalt, Yantar-4KS1 Neman, and Yantar-1KFT Kometa

Kobalt p8 camera, 2 capsules, film craft is 3rd capsule last c 60 days, film every 20 days LEO 67 deg, 170km peri, 350km api

in 80s - up to 9 launches/yr. end 90s - every 2 years. lifespan doubled

cosmos 2410- kobalt-m ended early, capsule not recovered

Nemen p8 not film based - more immediate data. can use geo relay sats lasted 6-8 months started 1984. 1980s 1 or 2/yr. changed 95. one 98, one 2000

Kometa p8-9 film based wide area started early 80s. 1/yr. 45 days

Orlets-1 Don p9-10 film 8 film capsules 1st 89 1 per year until 93 then 97, 03, 06 Cosmos-2423 last

Orlets-2 Yenisey p10 film 22 film capsules prog started late 80s 1st launch 1994 Cosmos-2290 experimental? 7 months next 2000 (and last?) to be replaced by persona

Arkon p10 prog started late 80s 1st launch 96 Cosmos-2344, not film stopped after 4 mo - technical prob 2nd 2002, last 1 yr

Sorokin
http://www.svengrahn.pp.se/histind/Recces/fourth.htm 4th gen - Yantar-2K fenics started 64, design 1967, service 1978, last 1983 declassified 1992

Yantar-4K (Oktan) 81-84

cone shape TsSKB manufacturer --- 2K 3 modules - equipment module (AO - Agregatnyy Otsek), instrument module (PO - Pribornnyy Otsek), special apparatus module (OSA - otsek spetsial'noy apparatury). Zhemchug-4 ("Pearl") camera and the onboard computer Salyut-3M - reusable.

'truncated cone with a half-angle of 12 degrees, which made the satellite slightly similar externally to the US Gemini. Maximum diameter of Yantar-2K was 2.7m, with a height of 6.3m. Mass of 11F624 was 6.6 tonnes. The planned lifetime was 30 days.' 1st launch 23 May 1974 launch problem, contact lost, osa auto destroyed

2nd test - Kosmos 697 lasted 12 days successful 3rd Kosmos 758 probs on 2nd day. auto destruct 4th Kosmos-805 20 days 1st with SpK, 1st crash landed, 2nd didn't separate properly 5th Kosmos-844 tech prob. destroyed by ground control 6th Kosmos-905 20 days. 7th final test flight Kosmos-949

30 days. capsules mainly on the 10th and 18th days

Yantar-4K1, 45 days Zhemchug-18

Gorin 98
yantar-1 medium res yantar-2 high res

aggregate module, instrument module, special equipment module,. each trunciated cone. whole thing conical shape.

agg module- 1.2m long, 2.7m diam. propulsion. instr module - 1m long, 2.4m diam sem 3.3m long, 2.2m diam. camera, computer, reentry systems, and emergency detonmator. shade 2.5m long 0.9m dia on front

mass 6600kg

zhemchug-4 retractable lens. 600mm diam. focal length est 3000mm to 4000mm.

camera developed by Krasnogorsk Optical-Mechanical Plant (KMZ) ground res - unknown maybe 0.5m? film - unknown., zenit had 300m2 frames

each spk sphere 0.8m diam solid propellant retro rocket, nitrogen thrusters

lens retracted into renetry vehicle for deorbiting rest disintegrated into atmosphere

feniks - manoevered to location to take photo. it could dive. commands given to take photos if no cloud cover. lowered and raised perigee.

yantar-4k1 oktan zhemchug-18 45 days