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Yubileiny

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Yubileiny

Yubileiny
Mission type Technology/Amateur radio
Operator NPO PM
SATCAT № 2008-025A
Mission duration 1 year
Start of mission
Launch date 23 May 2008 (2008-05-23)
Rocket Rokot
Launch site Plesetsk 133/3
Orbital parameters
Reference system Geocentric
Regime Low Earth
Transponders
Frequency 435.215 and 435.315 MHz

Yubileiny (Russian: Юбиле́йный, lit. Jubilee) is an educational Russian satellite built by NPO PM[1] to commemorate the 50th anniversary of the launch of Sputnik 1, the first artificial satellite to be placed into Earth orbit. The satellite was launched on 23 May 2008 aboard a Rokot class rocket from the LC-133 launch facility at the Plesetsk Cosmodrome, after being delayed since the end of 2007. It was a secondary payload accompanying a cluster of three Gonets communication satellites, and utilised the excess capacity of the carrier.[2]

The satellite mission was to broadcast audio and video about the Soviet and Russian space programmes, as well as to imitate the beeping call signals of Sputnik 1.[3] These signals are intended for being receipted by amateur radio enthusiasts.

Reactionless drive scandal

In April 2009 Russian news media reported that a 'reactionless drive' had been tested on the spacecraft. "Specialists of the Institute for Space Systems conducted successful tests of the perpetual motion machine in space," wrote Pravda in Moscow. The mentioned Institute for Space Systems was a satellite project contractor and its director Valery Menshikov also headed the funding agency supported the launch. According to media, Valery Menshikov announced that a reactionless "machine was installed in the Yubileiny satellite, which was launched into orbit almost a year ago. The satellite can now move from one orbit to another with the help of the engine, which discharges no reaction mass". Menshikov continued, in a claim not verified by any Western space source: "The first tests were conducted in June and July of 2008. The tests revealed some problems that need further developments of the machine, but the orbital experiment was conducted successfully in general."[4][5] The engine was designed and made by Fominskiy Leonid Pavlovich.

These pseudo-scientific statements by an high ranked industry manager resulted a scandal in Russia. Some scientists warned that installed 'reactionless engine' is based on a tricky non-linear friction in bearings and cannot work in zero gravity.[6] In 2011, the discussion was summed up by notable scientist and member of the Russian Academy of Sciences, Eduard Kruglyakov, who wrote that the installed engine had not changed satellite's orbit by even a micron.[6] The Roscosmos officials commented that the 'reactionless drive' part was installed initially to keep the mass balance and could not be removed after its actual role had been revealed.[6]

References

  1. ^ Ria Novosti - Спутник малого класса "Юбилейный" доставлен на космодром "Плесецк"
  2. ^
  3. ^ NPO PM - Preparation for “Yubileiny” satellite launching
  4. ^ Russian scientists test perpetual motion machine in space Pravda.ru 2009-04-14.
  5. ^ Russian Scientists Test New Type of Engine for Nano Satellites Pravda.ru 2010-02-18.
  6. ^ a b c Kruglyakov, Eduard P. (2011) "Совместимы ли мракобесие и инновации?" ('Are Obscurantism and Innovations Compatible?') Bulletin 'In Defence of Science' no.9, pp.2-3. (pdf, 253 Kb (Russian))
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