RIESGO CATASTROFICO DE 2020 XR

2020 XR alcanza 1 Torino, con un riesgo de impacto P próximo a 1/10000 en la órbita provisional de máxima 
aproximación en la fecha: 2028-12-01.73	Delta rT= 0.20	P=8.8e-5 Impacto megatones 2.597e+03  
Escala: Palermo=-0.70	Torino=1


ORBITA MEDIA GEOCENTRICA
 
Orbital elements:  2020 XR
   Perigee 2028 Dec 1.287499 +/- 11.7 TT =  6:53:59 (JD 2462106.787499)
Epoch 2028 Dec  1.0 TT = JDT 2462106.5                        Find_Orb
q431806.891 +/- 7.37e+7             (J2000 equator)
H   19.8  G 0.15                    Peri.  136.66527 +/- 45
                                    Node   333.42021 +/- 150
e 157.7686565 +/- 137870            Incl.  137.99102 +/- 60
49 of 52 observations 2020 Dec. 4-9; mean residual 0".35
# State vector (heliocentric equatorial J2000):
#   +0.352910619354  +0.842184028486  +0.368214138238 AU
#  -18.946106687786 +11.132898758794  -0.953098665169 mAU/day
# State vector relative to central body:
#   -0.001785391423  -0.002718090458   0.001330551065 AU
#   -2.619517702146   6.409311635173  -0.914055037330 mAU/day
# Elements written: 10 Dec 2020 11:17:14 (JD 2459193.970301)
# Full range of obs: 2020 Dec. 4-9 (52 observations)
# Find_Orb ver: Mar 17 2019 22:07:14
# Perturbers: 000007fe (Merc-Pluto plus Luna);  not using JPL DE
# Diameter 460.6 meters (assuming 10% albedo)
# Score: 0.574799
#  $Name=2020%20XR  $Ty=2028  $Tm=11  $Td=18.450429  $MA=3.08649
#  $ecc=0.6157308  $Eqnx=2000.
#  $a=2.5229682  $Peri=163.02137  $Node=249.65317  $Incl=14.05393
#  $EpJD=2462106.500  $q=0.969499  $T=2462093.950429  $H=19.8
# Sigmas avail: 1