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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1016887366672227 6.3109e-08  
a 2.377189048760396 1.3473e-08 au
q 2.135455697572795 1.4685e-07 au
i 5.774369132996911 6.733e-06 deg
node 202.4748623874806 4.4473e-05 deg
peri 195.2182347676308 5.0789e-05 deg
M 192.201539178866 2.5338e-05 deg
tp 2458224.492658740275
(2018-Apr-15.99265874)
9.6074e-05 JED
period 1338.733120954864
3.67
1.1381e-05
3.116e-08
d
yr
n .2689109534716125 2.2862e-09 deg/d
Q 2.618922399947998 1.4843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      8036 days (22.00 yr)  
   first obs. used      1994-04-16  
   last obs. used      2016-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51265  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:13:25  

Additional Information
 Earth MOID = 1.14144 au 
 Jupiter MOID = 2.76185 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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