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173962 (2001 XR43)
Classification: Main-belt Asteroid          SPK-ID: 2173962
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1309235960220407 4.2541e-08  
a 3.198652841461854 2.9873e-08 au
q 2.779873709031549 1.3315e-07 au
i 16.36362393209177 7.5783e-06 deg
node 62.70941987959286 1.9747e-05 deg
peri 68.30644472633195 3.7758e-05 deg
M 54.39493046621578 3.0757e-05 deg
tp 2458684.777877882680
(2019-Jul-20.27787788)
0.00017801 TDB
period 2089.532296264783
5.72
2.9272e-05
8.014e-08
d
yr
n .1722873585842777 2.4135e-09 deg/d
Q 3.617431973892158 3.3784e-08 au
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      6709 days (18.37 yr)  
   first obs. used      2001-12-09  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55065  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:33:45  

Additional Information
 Earth MOID = 1.84458 au 
 Jupiter MOID = 1.78766 au 
 T_jup = 3.118 
[ 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 15.1   n/a MPO257783  
diameter diameter 6.107 km 1.946 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173962 (2001 XR43)          Discovered 2001-Dec-09 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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