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

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07889856098490312 2.9229e-08  
a 3.009501221281018 1.5491e-08 au
q 2.772055905639637 8.7914e-08 au
i 10.2391386428614 3.1087e-06 deg
node 128.702305165544 1.884e-05 deg
peri 248.4129567453135 3.0559e-05 deg
M 23.42359503614081 2.2136e-05 deg
tp 2459076.423006092323
(2020-Aug-14.92300609)
0.00011752 TDB
period 1906.95398113931
5.22
1.4724e-05
4.031e-08
d
yr
n .1887827412515314 1.4576e-09 deg/d
Q 3.246946536922399 1.6714e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2005  
   data-arc span      10967 days (30.03 yr)  
   first obs. used      1991-02-14  
   last obs. used      2021-02-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46721  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:29:09  

Additional Information
 Earth MOID = 1.7906 au 
 Jupiter MOID = 2.17746 au 
 T_jup = 3.221 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.43   n/a E2021B10  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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