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12106 Menghuan (1998 KQ31)
Classification: Main-belt Asteroid          SPK-ID: 2012106
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1006927263387648 7.1797e-08  
a 2.377266767769213 1.9002e-08 AU
q 2.137893295687987 1.6982e-07 AU
i 5.769074401485589 8.3624e-06 deg
node 202.5272187121787 5.9541e-05 deg
peri 194.8883337115228 6.9449e-05 deg
M 337.4675624992887 3.5734e-05 deg
tp 2456884.295554701618
(2014-Aug-14.79555470)
0.00013314 JED
period 1338.798773618258
3.67
1.6052e-05
4.395e-08
d
yr
n .2688977664858913 3.224e-09 deg/d
Q 2.616640239850438 2.0915e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      660  
   data-arc span      7019 days (19.22 yr)  
   first obs. used      1994-04-16  
   last obs. used      2013-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55755  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 17:01:35  

Additional Information
 Earth MOID = 1.14393 AU 
 T_jup = 3.527 
[ 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 15.2 mag n/a MPO266023  

12106 Menghuan           Discovered 1998 May 22 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Meng Huan (b. 1985) is a finalist in the 2002 Intel International Science and Engineering Fair for his earth and space sciences project. He attends the Beijing No. 80 High School, Beijing, China.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020724/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1998 KQ31 = 1995 QN8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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