  As a key feature, NASA's Parker Solar Probe (PSP) and ESA-NASA's Solar
Orbiter (SO) missions cooperate to trace solar wind and transients from their
sources on the Sun to the inner interplanetary space. The goal of this work is
to accurately reconstruct the interplanetary Parker spiral and the connection
between coronal features observed remotely by the Metis coronagraph on-board SO
and those detected in situ by PSP at the time of the first PSP-SO quadrature of
January 2021. We use the Reverse In-situ and MHD Approach (RIMAP), a hybrid
analytical-numerical method performing data-driven reconstructions of the
Parker spiral. RIMAP solves the MHD equations on the equatorial plane with the
PLUTO code, using the measurements collected by PSP between 0.1 and 0.2 AU as
boundary conditions. Our reconstruction connects density and wind speed
measurements provided by Metis (3-6 solar radii) to those acquired by PSP (21.5
solar radii) along a single streamline. The capability of our MHD model to
connect the inner corona observed by Metis and the super Alfv\'enic wind
measured by PSP, not only confirms the research pathways provided by
multi-spacecraft observations, but also the validity and accuracy of RIMAP
reconstructions as a possible test bench to verify models of transient
phenomena propagating across the heliosphere, such as coronal mass ejections,
solar energetic particles and solar wind switchbacks.
