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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1302023206383014 3.4706e-08  
a 2.972692181243661 1.7628e-08 au
q 2.585640760702402 9.996e-08 au
i 11.65150492272145 4.6605e-06 deg
node 30.07524971257111 1.8916e-05 deg
peri 219.9106715913465 2.7051e-05 deg
M 127.8381998874599 1.9349e-05 deg
tp 2458335.714583006901
(2018-Aug-05.21458301)
0.00010084 TDB
period 1872.075407258544
5.13
1.6652e-05
4.559e-08
d
yr
n .1922999461475656 1.7105e-09 deg/d
Q 3.35974360178492 1.9923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1246  
   data-arc span      10445 days (28.60 yr)  
   first obs. used      1992-03-26  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47355  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:53:05  

Additional Information
 Earth MOID = 1.58484 au 
 Jupiter MOID = 1.69939 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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