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Which orbital rocket is the smallest in height (or length) that ever launched?

Would be nice to know the second and third place too.

Similar questions:

What is/was the smallest orbital launch system, by total mass?

Smallest launch vehicle by dry mass

Smallest sounding rocket to reach space by height?

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That is as far as I can tell the SS-520, placing a 4kg payload into LEO in 2018, with the total length of the launch vehicle being 9.54 meters.

If this record has not been surpassed after 2018, it still stands.

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  • $\begingroup$ Lambda 4S - 16.5 m <> Pegasus - 16.9 m <> Jielong 1 - 19.5 m <> Long March 11 - 20.8 m <> Hyperbola-1 - 20.8 m <> Juno I - 21.2 m $\endgroup$ – Joe Jobs Oct 25 '20 at 17:35
  • $\begingroup$ Blue Whale 1 - 1.8 m <> Astra - 11.6 m <> Vector-R - 12 m $\endgroup$ – Joe Jobs Oct 25 '20 at 17:49
  • $\begingroup$ @JoeJobs Has Blue Whale 1 been launched yet? $\endgroup$ – SE - stop firing the good guys Oct 25 '20 at 17:58
  • $\begingroup$ No the second line has orbital rockets who didnt reach orbit yet $\endgroup$ – Joe Jobs Oct 25 '20 at 19:06
  • $\begingroup$ Black Arrow - 13 m <> Electron - 17 m <> Diamant - 18.95 m $\endgroup$ – Joe Jobs Oct 26 '20 at 19:02

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