• MPC Preparation (Info)

  • Mid-Month Batches of Minor Planet Circulars Supplement (MPS)

    This page has links to recent batches of the mid-month Minor Planet Circulars Supplement (MPS). The observations included in these batches will be summarized in the next batch of MPCs.

    Updated complete observation files including all mid-month batches since the last full batch are available in the MPCAT-OBS service.

    The available mid-month MPS batches are as follows: