Apollo and NEO 1999 FJ21
The
object was
discovered
on
March,22 1999 from
691 Steward Observatory. Kitt Peak-Spacewatch
Earth MOID = 0.05921 AU,
H 20.2, ~313m diameter
Minor planet center's orbital elements and Ephemeris, JPL Small body database
NEO Apollo 1999 FJ21 was passing the Earth on October,17 2021 in 0.064847 AU distance ~ 9,700,975 km
The object shows a clear change in its brightness during the approx. 20 minute sequence.
� 2021-10-19 by Bernhard Haeusler, Dettelbach, Germany
Animation of
80 12.3sec. exposures,
2021-10-19 UT19:38, 0.30-m f/8 SCT + CCD
~15.6 mag, 15.64 arcsec/min in PA 313.6, RA 22:41 Dec. +31 26 Pegasus