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146785 (2001 XA253)
Classification: Main-belt Asteroid          SPK-ID: 2146785
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1550454484997908 4.0018e-08  
a 3.171040803369742 2.5297e-08 au
q 2.679385359800143 1.2745e-07 au
i 8.367389720634799 5.2722e-06 deg
node 286.9187361414473 3.0413e-05 deg
peri 258.3487031052941 3.4545e-05 deg
M 48.25334754941451 1.7147e-05 deg
tp 2458724.043936788733
(2019-Aug-28.54393679)
9.7851e-05 TDB
period 2062.534265713629
5.65
2.4681e-05
6.757e-08
d
yr
n .1745425547514196 2.0887e-09 deg/d
Q 3.66269624693934 2.922e-08 au
  Orbit Determination Parameters
   # obs. used (total)      617  
   data-arc span      8053 days (22.05 yr)  
   first obs. used      1998-05-29  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53628  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:46:54  

Additional Information
 Earth MOID = 1.69762 au 
 Jupiter MOID = 1.47217 au 
 T_jup = 3.167 
[ 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 14.7   n/a MPO436736  
diameter diameter 7.689 km 0.444 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146785 (2001 XA253)          Discovered 2001-Dec-14 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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