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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1549257975402322 4.0481e-08  
a 3.170077295893336 2.6119e-08 au
q 2.678950542562878 1.2976e-07 au
i 8.367370847787109 5.3147e-06 deg
node 286.9187016690065 3.0683e-05 deg
peri 258.1871104588457 3.483e-05 deg
M 338.5446125292252 1.7323e-05 deg
tp 2458723.367512450643
(2019-Aug-27.86751245)
9.9412e-05 TDB
period 2061.594298517418
5.64
2.5479e-05
6.976e-08
d
yr
n .1746221360133231 2.1582e-09 deg/d
Q 3.661204049223793 3.0166e-08 au
  Orbit Determination Parameters
   # obs. used (total)      591  
   data-arc span      7640 days (20.92 yr)  
   first obs. used      1998-05-29  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54018  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:44:00  

Additional Information
 Earth MOID = 1.69763 au 
 Jupiter MOID = 1.47459 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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