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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08218100721083099 8.6793e-08  
a 3.010241012132513 3.6268e-08 AU
q 2.762856373808112 2.8005e-07 AU
i 10.22985842464966 8.2794e-06 deg
node 128.9664605599637 3.4143e-05 deg
peri 246.1038259383484 5.8808e-05 deg
M 330.5178793085964 5.0053e-05 deg
tp 2457156.727163757913
(2015-May-14.22716376)
0.00026607 JED
period 1907.657170986608
5.22
3.4476e-05
9.439e-08
d
yr
n .1887131532201952 3.4105e-09 deg/d
Q 3.257625650456914 3.9248e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      780  
   data-arc span      8653 days (23.69 yr)  
   first obs. used      1991-02-14  
   last obs. used      2014-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51652  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:47:41  

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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