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146768 (2001 XU203)
Classification: Main-belt Asteroid          SPK-ID: 2146768
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09599962265785078 4.0102e-08  
a 2.800914040906554 2.1818e-08 au
q 2.532027349882449 1.2105e-07 au
i 5.086860445406916 4.5061e-06 deg
node 118.3019577027141 4.938e-05 deg
peri 294.936751724447 5.5262e-05 deg
M 340.2820686644322 2.5368e-05 deg
tp 2459094.279291437580
(2020-Sep-01.77929144)
0.00012098 TDB
period 1712.1747886722
4.69
2.0006e-05
5.477e-08
d
yr
n .210258907199061 2.4568e-09 deg/d
Q 3.069800731930659 2.3913e-08 au
  Orbit Determination Parameters
   # obs. used (total)      455  
   data-arc span      6590 days (18.04 yr)  
   first obs. used      2001-10-17  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56897  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 13:01:22  

Additional Information
 Earth MOID = 1.54858 au 
 Jupiter MOID = 2.23193 au 
 T_jup = 3.313 
[ 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 15.6   n/a MPO417788  

146768 (2001 XU203)          Discovered 2001-Dec-11 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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