MPEC 2024-X68 : 2024 XA1 We are the official body that deals with astrometric observations and orbits of minor planets (asteroids) and comets.

#C0WEPC5 is now designated #2024XA1: minorplanetcenter.net/mpec/K24/K24....

The Minor Planet Center also lists everyone who observed the asteroid before impact.

The catalogue coincidence may be confusing to some readers, so to emphasize:

There is _ no _ relationship between #2024XA1 and #2024XA.

Small-Body Database Lookup

As well as the ~1 m asteroid #C0WEPC5 making a bolide today and the ~2 m asteroid #2024XA passing by ~1400 km from the surface 2 days ago; the ~15 m asteroid #2024XH will be passing within 1 lunar distance tomorrow: ssd.jpl.nasa.gov/tools/sbdb_l...

Objects like #C0WEPC5 impact Earth harmlessly on a monthly basis; and fly by on a weekly basis (as #2024XA demonstrated 2 days ago).

If you are wondering why both of these were found:

New moon was on December 1. The skies are dark.

Small-Body Database Lookup

The object initially labeled #C43XT81 has now been designated #2024XA: ssd.jpl.nasa.gov/tools/sbdb_l....

Its close approach today has now been measured to have been 7726 ± 2 km from Earth's center of mass.