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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07904138982796714 2.9224e-08  
a 3.010204002192538 1.5484e-08 au
q 2.77227329419353 8.7916e-08 au
i 10.23913155596316 3.1079e-06 deg
node 128.7020487552236 1.8836e-05 deg
peri 248.5361006786862 3.0521e-05 deg
M 60.29732620285549 2.2016e-05 deg
tp 2459076.987484983504
(2020-Aug-15.48748498)
0.00011731 TDB
period 1907.621990052541
5.22
1.4718e-05
4.03e-08
d
yr
n .1887166335244881 1.4561e-09 deg/d
Q 3.248134710191545 1.6708e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2013  
   data-arc span      11010 days (30.14 yr)  
   first obs. used      1991-02-14  
   last obs. used      2021-04-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46656  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:26:03  

Additional Information
 Earth MOID = 1.7916 au 
 Jupiter MOID = 2.17658 au 
 T_jup = 3.221 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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