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146729 (2001 XW37)
Classification: Main-belt Asteroid          SPK-ID: 2146729
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1042886575508774 9.5658e-08  
a 3.149063291454273 2.8989e-08 au
q 2.820651708245759 2.9556e-07 au
i 16.32441416762899 8.2233e-06 deg
node 281.675741174423 2.7364e-05 deg
peri 245.3201927590864 4.4294e-05 deg
M 62.60057150443499 3.342e-05 deg
tp 2458645.567058534184
(2019-Jun-11.06705853)
0.00018964 TDB
period 2041.129271777356
5.59
2.8185e-05
7.717e-08
d
yr
n .1763729544119087 2.4355e-09 deg/d
Q 3.477474874662786 3.2013e-08 au
  Orbit Determination Parameters
   # obs. used (total)      504  
   data-arc span      6735 days (18.44 yr)  
   first obs. used      2001-11-19  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60998  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:56:23  

Additional Information
 Earth MOID = 1.87554 au 
 Jupiter MOID = 1.79007 au 
 T_jup = 3.137 
[ 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 14.4   n/a MPO475271  
diameter diameter 7.385 km 0.326 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146729 (2001 XW37)          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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