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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08637343974725137 6.6152e-08  
a 2.933557523347235 3.3445e-08 AU
q 2.680176069359307 2.023e-07 AU
i 3.445705356087194 6.4215e-06 deg
node 102.8052931842582 0.00010631 deg
peri 217.2592481417292 0.00011288 deg
M 351.7853409635217 4.0771e-05 deg
tp 2456842.377175401770
(2014-Jul-03.87717540)
0.00020795 JED
period 1835.229323297687
5.02
3.1385e-05
8.593e-08
d
yr
n .1961607715340572 3.3546e-09 deg/d
Q 3.186938977335164 3.6334e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      772  
   data-arc span      8154 days (22.32 yr)  
   first obs. used      1992-03-01  
   last obs. used      2014-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59014  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:41:29  

Additional Information
 Earth MOID = 1.66706 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 14.0 mag n/a MPO263514  

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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