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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0818397097113699 5.0237e-08  
a 3.009114197518277 2.7801e-08 au
q 2.762849165105019 1.5409e-07 au
i 10.22978253122571 5.8189e-06 deg
node 128.9637841385254 3.1206e-05 deg
peri 246.0429009687125 5.0642e-05 deg
M 46.08409975241753 3.7296e-05 deg
tp 2457156.435261527835
(2015-May-13.93526153)
0.00019826 JED
period 1906.586139731851
5.22
2.6422e-05
7.234e-08
d
yr
n .1888191634764699 2.6167e-09 deg/d
Q 3.255379229931534 3.0076e-08 au
  Orbit Determination Parameters
   # obs. used (total)      915  
   data-arc span      9072 days (24.84 yr)  
   first obs. used      1991-02-14  
   last obs. used      2015-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51482  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:46:09  

Additional Information
 Earth MOID = 1.77965 au 
 Jupiter MOID = 2.19805 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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