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18729 Potentino (1998 KJ4)
Classification: Main-belt Asteroid          SPK-ID: 2018729
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08649910379068752 7.7353e-08  
a 2.933239324933477 4.1646e-08 AU
q 2.67951675212313 2.3208e-07 AU
i 3.445670892071302 7.5196e-06 deg
node 102.806543250765 0.00012093 deg
peri 217.417695332735 0.00012939 deg
M 273.1829814692124 5.2449e-05 deg
tp 2456843.008932213637
(2014-Jul-04.50893221)		 0.00027142 JED
period 1834.930734697093
5.02		 3.9078e-05
1.07e-07		 d
yr
n .1961926917418101 4.1783e-09 deg/d
Q 3.186961897743824 4.5248e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      723  
   data-arc span      7722 days (21.14 yr)  
   first obs. used      1992-03-01  
   last obs. used      2013-04-22  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .59332  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 14:19:58  

Additional Information
 Earth MOID = 1.66732 AU 
 T_jup = 3.267 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a PDS3 (MPO 5277)  

18729 Potentino           Discovered 1998 May 22 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
An ancient castle near Seggiano, Tuscany, Potentino has been perfectly restored by its English owners, the Greene family. The name was suggested by V. Zappalà.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070926/MPCPages.arcLast Updated: 2007-09-30

Alternate Designations
 1998 KJ4 = 1992 EQ5 = 1999 RH157 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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