The MPC released a new orbit yesterday for C/2026 A1 (MAPS) in MPEC 2026-C98. Its period is now estimated at 1892 ± 168 years. Could it plausibly be a fragment from the first millennium AD?
https://www.minorplanetcenter.net/mpec/K26/K26C98.html
https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=C%2F2026%20A1
