  For the second discovered interstellar comet 2I/Borisov we searched for a
candidate for its home system. We will never be sure which star or stellar
system does this comet come from but obtaining a very small relative velocity
and a promisingly small miss-distance, when tracing the motion of 2I/Borisov
back in time in its movement through the space, makes an encountered body a
good candidate for a source of this comet. In our long-standing project on
studying Oort spike comets dynamics, we recently updated a list of potential
stellar perturbers of cometary motion. This list was checked against a past,
close and slow encounter with 2I/Borisov. Only one object from among 647 stars
or stellar systems in our list, a double star Kruger 60, appeared as a
potential candidate for the origin of this comet. However, a detailed analysis
of this system's radial velocity uncertainty influence on our result showed,
that the probability that Kruger 60 is a home system of 2I/Borisov is small.
Finally, the usage of a new, unpublished systemic radial velocity of Kruger 60
system practically ruled out this possibility.
