2012 XE54 was discovered yesterday on December 9th.
It is a small 36 meter Apollo class near earth object.
It makes it’s close approach between Earth and Moon…
Earth — 2012-Dec-11 — 10:08 UTC — 0.0015 AU / .06 LD
Moon — 2012-Dec-11 — 16:52 UTC — 0.0021 AU
It will pass through the Earth’s shadow, a very rare event.
According to JPL Horizons data, previous close approaches were:
1982-Nov-11 — 0.4910 AU
1991-Apr-14 — 0.2563 AU
2002-Feb-22 — 0.1752 [...]




