Kosmos 605

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Kosmos 605 / Bion 1
Mission typeBioscience
OperatorInstitute of Biomedical Problems
COSPAR ID1973-083A
SATCAT no.6913
Mission duration21.5 days
Spacecraft properties
Spacecraft typeBion
Launch mass5,500 kg (12,100 lb)
Landing mass900 kg (2,000 lb)
Start of mission
Launch date31 October 1973, 18:24:59 (1973-10-31UTC18:24:59Z) UTC
RocketSoyuz-U A 15000-004
Launch sitePlesetsk 43/3
End of mission
Landing date22 November 1973, 07:12 (1973-11-22UTC07:13Z) UTC
Landing site53°29′N 65°27′E / 53.483°N 65.450°E / 53.483; 65.450 (Bion 1 spashdown)
Sarykol, Kazakh SSR, USSR
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee212 km (132 mi)
Apogee386 km (240 mi)
Inclination62.7999 degrees
Period93.1 minutes
RAAN192.1415 degrees
Argument of perigee113.7984 degrees
Mean anomaly247.6840 degrees
Mean motion15.91198635
Epoch19 November 1973, 22:36:39 UTC[1]
Revolution no.305

Kosmos 605 (Russian: Космос 605 meaning Cosmos 605), or Bion No.1, was a Bion satellite. Kosmos 605 was the first of eleven satellites Bion.


Kosmos 605 was launched by a Soyuz-U rocket flying from Site 43/3 at the Plesetsk Cosmodrome in the Soviet Union. The satellite was initially launched in a low Earth orbit with a perigee of 221 kilometres (137 mi) and a 424 kilometres (263 mi) apogee with an orbital inclination of 62.8 degrees. The spacecraft orbited the Earth for 21 days until their biological capsule returned to Earth on November 22, 1973 in a region of northwestern present-day Kazakhstan.[2]


It carried several dozen male rats (possibly 25[3] or 45[4]), six Russian tortoises (Agrionemys horsfieldii)[5] (each in a separate box), a mushroom bed, flour beetles (Tribolium confusum[4]) in various stages of their life cycle, and living bacterial spores. It provided data on the reaction of mammal, reptile, insect, fungal, and bacterial forms to prolonged weightlessness.[6]

See also[edit]


  1. ^ Peat, Chris. "COSMOS 605". Heavens-Above. Retrieved 18 June 2016.
  2. ^ "Bion". Encyclopedia Astronautica. Mark Wade. Retrieved July 10, 2018.
  3. ^ Brian Harvey, Olga Zakutnyaya (2011). Russian Space Probes. Springer. p. 448. doi:10.1007/978-1-4419-8150-9. ISBN 978-1-4419-8149-3. Retrieved 2014-03-08.
  4. ^ a b "PowerPoint Presentation" (PDF). Retrieved 2014-03-08.[permanent dead link]
  5. ^ Bion 1 Data Archive
  6. ^ "Bion 1". NSSDCA. NASA Goddard Space Center. 2013-08-16. Retrieved 2014-03-08.


  • Kozlov, D. I. (1996). Mashnostroenie, ed. Konstruirovanie avtomaticheskikh kosmicheskikh apparatov. Moscow. ISBN.
  • Melnik, T. G. (1997). Nauka, ed. Voenno-Kosmicheskiy Sili. Moscow. ISBN.
  • "Bion' nuzhen lyudyam". Novosti Kosmonavtiki (6): 35. 1996.