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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08218100840433051 8.683e-08  
a 3.010241013532635 3.6383e-08 AU
q 2.762856371500449 2.801e-07 AU
i 10.22985844965627 8.2855e-06 deg
node 128.9664601671138 3.4546e-05 deg
peri 246.1038279659879 5.9092e-05 deg
M 330.5178771978238 5.0247e-05 deg
tp 2457156.727175051994
(2015-May-14.22717505)
0.00026711 JED
period 1907.657172317542
5.22
3.4585e-05
9.469e-08
d
yr
n .1887131530885339 3.4213e-09 deg/d
Q 3.257625655564821 3.9373e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      768  
   data-arc span      8617 days (23.59 yr)  
   first obs. used      1991-02-14  
   last obs. used      2014-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52002  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:42:35  

Additional Information
 Earth MOID = 1.78156 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 13.3 mag n/a MPO302192  

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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