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

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08305162476232064 3.5984e-08  
a 2.934435491831801 1.412e-08 au
q 2.690725856474951 1.0154e-07 au
i 3.447684247303477 3.3849e-06 deg
node 102.7039553960878 5.3101e-05 deg
peri 217.2037137117171 5.6198e-05 deg
M 141.0981809156918 1.8228e-05 deg
tp 2458676.878399247499
(2019-Jul-12.37839925)
9.2817e-05 TDB
period 1836.053268650535
5.03
1.3252e-05
3.628e-08
d
yr
n .1960727426304975 1.4152e-09 deg/d
Q 3.178145127188652 1.5292e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1865  
   data-arc span      10614 days (29.06 yr)  
   first obs. used      1992-03-01  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51379  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:03:20  

Additional Information
 Earth MOID = 1.67795 au 
 Jupiter MOID = 2.05471 au 
 T_jup = 3.267 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.13   n/a E2021B10  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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