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12418 Tongling (1995 UX2)
Classification: Main-belt Asteroid          SPK-ID: 2012418
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1304759215215495 3.5446e-08  
a 2.972621150845677 1.9888e-08 au
q 2.584765666854639 1.0111e-07 au
i 11.6522265223983 4.9838e-06 deg
node 30.07542678653631 2.2232e-05 deg
peri 219.8894581152057 3.2944e-05 deg
M 50.90780510189222 2.2893e-05 deg
tp 2458335.778238381839
(2018-Aug-05.27823838)
0.00011979 TDB
period 1872.008309763013
5.13
1.8786e-05
5.143e-08
d
yr
n .1923068386622569 1.9299e-09 deg/d
Q 3.360476634836716 2.2482e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1160  
   data-arc span      10106 days (27.67 yr)  
   first obs. used      1992-03-26  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48356  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:45:29  

Additional Information
 Earth MOID = 1.58383 au 
 Jupiter MOID = 1.69916 au 
 T_jup = 3.218 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8   n/a MPO347623  

12418 Tongling           Discovered 1995 Oct. 23 by the Beijing Schmidt CCD Asteroid Program at Xinglong.
Tongling, famous as a major copper producer since the Western Han Dynasty, is a city on the southern bank of the Changjiang river.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061109/MPCPages.arcLast Updated: 2006-11-13

[ show close-approach data ]
Alternate Designations
 1995 UX2 = 1997 DD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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