  The distribution of smaller satellite galaxies around large central galaxies
has attracted attention because peculiar spatial and kinematic configurations
have been detected in some systems. A particularly striking example of such
behavior is seen in the satellite system of the Andromeda galaxy, where around
80\% are on the nearside of that galaxy, facing the Milky Way. Motivated by
this departure from anisotropy, we examined the spatial distribution of
satellites around pairs of galaxies in the SDSS. By stacking tens of thousands
of satellites around galaxy pairs we found that satellites tend to bulge
towards the other central galaxy, preferably occupying the space between the
pair, rather than being spherically or axis-symmetrically distributed around
each host. The bulging is a function of the opening angle examined and is
fairly strong -- there are up to $\sim$10\% more satellites in the space
between the pair, than expected from uniform. Consequently, it is a
statistically very strong signal, being inconsistent with a uniform
distribution at the 5$\sigma$ level. The possibility that the observed signal
is the result of the overlap of two haloes with extended satellite
distributions, is ruled out by testing this hypothesis by performing the same
tests on isolated galaxies (and their satellites) artificially placed at
similar separations. These findings highlight the unrelaxed and interacting
nature of galaxies in pairs.
