Failed 1962 Mars Probe

Jay Respler (
Sat, 25 May 1996 23:59:24 -0400 (EDT)

>Comments: Sputnik 29 (also known as Sputnik 22) was not acknowledged at
>launch by the USSR and was probably a Mars probe which failed to leave Earth 

Space Command calls it Sputnik 22.  TRW Space Log has no name.
Where does the name Sputnik 29 come from?
How can it be both?   or
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