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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0821810162306125 8.7684e-08  
a 3.010241016984874 3.7595e-08 AU
q 2.762856351109985 2.8152e-07 AU
i 10.22985838598222 8.2904e-06 deg
node 128.9664280182623 3.907e-05 deg
peri 246.1038620824995 6.228e-05 deg
M 330.5178735137299 5.1853e-05 deg
tp 2457156.727194842933
(2015-May-14.22719484)
0.00027578 JED
period 1907.657175599183
5.22
3.5737e-05
9.784e-08
d
yr
n .1887131527639007 3.5352e-09 deg/d
Q 3.257625682859763 4.0684e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      723  
   data-arc span      8573 days (23.47 yr)  
   first obs. used      1991-02-14  
   last obs. used      2014-08-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53192  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:34:58  

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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