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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1006783063301053 6.8742e-08  
a 2.377252332436711 1.7243e-08 AU
q 2.13791459388769 1.6211e-07 AU
i 5.769106123641791 8.0454e-06 deg
node 202.5265750217988 5.6125e-05 deg
peri 194.9399772413179 6.5217e-05 deg
M 31.20582337413701 3.3286e-05 deg
tp 2456884.450173523033
(2014-Aug-14.95017352)
0.00012349 JED
period 1338.78657937714
3.67
1.4566e-05
3.988e-08
d
yr
n .2689002157218272 2.9256e-09 deg/d
Q 2.616590070985731 1.8979e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      663  
   data-arc span      7411 days (20.29 yr)  
   first obs. used      1994-04-16  
   last obs. used      2014-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54186  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:19:52  

Additional Information
 Earth MOID = 1.145 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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