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20731 Mothediniz (1999 XH151)
Classification: Main-belt Asteroid          SPK-ID: 2020731
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0817288770108333 4.8227e-08  
a 3.008829772742487 2.736e-08 au
q 2.762921494299483 1.4683e-07 au
i 10.22998582297539 5.4986e-06 deg
node 128.9624584076991 3.0637e-05 deg
peri 246.007165897546 5.0146e-05 deg
M 83.89728125553896 3.6774e-05 deg
tp 2457156.236902454518
(2015-May-13.73690245)
0.0001962 JED
period 1906.315827198684
5.22
2.6002e-05
7.119e-08
d
yr
n .1888459377316387 2.5758e-09 deg/d
Q 3.254738051185492 2.9596e-08 au
  Orbit Determination Parameters
   # obs. used (total)      962  
   data-arc span      9146 days (25.04 yr)  
   first obs. used      1991-02-14  
   last obs. used      2016-02-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51656  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:38:53  

Additional Information
 Earth MOID = 1.78036 au 
 Jupiter MOID = 2.19725 au 
 T_jup = 3.221 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4 mag n/a MPO358828  

20731 Mothédiniz           Discovered 1999 Dec. 9 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Thais Mothé-Diniz (b. 1974) is a planetary scientist who works at Rio de Janeiro National Observatory. Using spectroscopy, she studies the families and composition of minor planets.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080718/MPCPages.arcLast Updated: 2008-07-18

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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