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OAS > CEIP - Close Encounters with the Inner Planets

Sormano Astronomical Observatory: CEIP
Close Encounters with the Inner Planets

Last update: May 29, 2018

Computations: Francesco Manca , Piero Sicoli , Augusto Testa (obs.sormano@alice.it).


This table (sorted by date) reports asteroids with a nominal planet-miss distance within 0.5 million km for the coming years.

All data have been extrapolated from our technical list PCEL - Planetary close encounter list (see this page for more details).

Nominal miss distances in Km. are computed using a software developed at Sormano whereas minimum and maximum values based on a 3-sigma uncertainty confidence level are computed using OrbFit Software Package .

All the distances are computed between the centers of mass of the bodies (Planet and minor body). Take into account the Planets radii in order to refer distances from Planets surface.


INTERESTING PAST CLOSE ENCOUNTERS
are also reported


Predicted close encounters with the Inner Planets
( planetocentric distance )

Box Colours Range of distance
Equatorial Planet Radii < = 10
10 < Equatorial Planet Radii < = 100
- Equatorial Planet Radii > 100

MONITOR on SPECIAL OBJECTS
Asteroids or comets with interesting future close encounters with inner planets
Object
_
Range
of size (m)
Planets
_
Date
yyyy-mm-dd
Nominal
Distance (km)
Min possible
distance (Km)
Max possible
distance (Km)
(289227) 2004 XY60 442-992 Mercury 2026-08-24.72 432044 414840 448351
2001 CP36 46-110 Mercury 2027-12-23.75 406613 402418 409748
(406221) 2007 BO20 840-1900 Mars 2028-12-15.94 267780 254316 270772
(308635) 2005 YU55 360 (+/-40) Venus 2029-01-19.86 346711 346478 346944
2013 AC53 15-34 Mars 2030-01-07.79 224943 *.* *.*
2011 YW10 35-75 Venus 2031-02-18.68 380450 328666 454627
(252399) 2001 TX44 384-860 Mercury 2033-03-26.01 444611 425902 459403
2012 XS111 110-240 Mercury 2036-05-31.28 519911 516051 523775
2006 KZ86 738-1660 Mercury 2038-09-08.16 375488 371008 385968
2008 KD6 316-710 Mars 2042-10-26.45 169215 168138 170290
2012 XS111 110-240 Mercury 2047-12-23.11 259193 234471 284540
(516461) 2005 LF8 530-1200 Mars 2061-12-27.53 116366 115190 117332
(162385) 2000 BM19 508-1148 Venus 2063-03-03.03 259083 251978 267354
(509352) 2007 AG 250-566 Mercury 2064-10-18.62 439815 432335 448791
(326386) 2001 OA14 558-1260 Mars 2073-02-14.20 314154 284234 359033
(303250) 2004 RU10 642-1440 Mercury 2079-11-16.89 406502 404222 408784
(363599) 2004 FG11 170-370 Venus 2080-05-07.70 390452 389316 391587
2015 EO61 130-300 Mars 2083-08-17.52 441612 342579 540048
2011 EB7 178-390 Mars 2091-04-01.70 272762 270714 274813
(252399) 2001 TX44 384-860 Mercury 2105-03-31.68 510877 492773 548127
2008 GD 288-650 Mercury 2113-04-20.02 388960 388955 1077105
2012 XS111 110-240 Mercury 2118-01-24.00 88703 88396 *.*
2012 XS111 110-240 Mercury 2133-09-19.88 345571 *.* *.*
2015 NW9 210-470 Mars 2161-03-30.05 488322 469383 507339
(477519) 2010 DJ56 384-860 Mars 2169-02-28.50 156500 149209 163953
(69230) Hermes 840-1900 Venus 2183-04-29.16 129725 *.* *.*
2007 RU17 642-1440 Mercury 2185-05-16.02 490681 450290 531080
2000 AA6 105-230 Venus 2208-09-11.71 285731 35903 987345


Interesting Past Close Encounter with the Inner Planets
( planetocentric distance )
Object
_
Range
of size (m)
Planets
_
Date
yyyy-mm-dd
Nominal
Distance (km)
Min possible
distance (Km)
Max possible
distance (Km)
2005 YR3 _________ 62-144 _ Venus . 2012-12-21 __ 256186 255961 256410
C/2013 A1 Mars 2014-10-19 __ 134638 *.* *.*


Astronomical Unit (average distance between Earth and Sun) AU = 149597871 km

Planets equatorial radii:

Mercury __ 2439,7 km

Venus ____ 6051,8 Km

Mars _____ 3396,2 Km


Table Headings:

Object:
definitive number and name or provisional designation.
Range of size:
Probable size of the object from its absolute magnitude (H). For more information on this matter see the related page at the Minor Planet Center.
Date:
Year, month, day of the close approach to each planets.
Nominal distance:
Miss (planetocentric) distance as resulting from nominal orbital elements.
Min and Max distance:
minimum and maximum miss possible distance based on the 3-sigma uncertainty confidence level. A simbol '*.*' means not computed, usually owing to a very high uncertainty.


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Web Curators: M. Carpino, F. Manca
Last modified: May 29, 2018