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233951 (2009 XJ)
Classification: Main-belt Asteroid          SPK-ID: 2233951
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1278927875685925 5.2287e-08  
a 3.084856655623298 3.4336e-08 au
q 2.690325738686109 1.6579e-07 au
i 4.242672449056412 4.7514e-06 deg
node 80.48027286942468 8.1864e-05 deg
peri 45.44100537694835 8.4882e-05 deg
M 293.052175626691 2.2457e-05 deg
tp 2459368.531402679829
(2021-Jun-03.03140268)
0.000126 TDB
period 1979.02330964411
5.42
3.3042e-05
9.046e-08
d
yr
n .1819079129819543 3.0371e-09 deg/d
Q 3.479387572560487 3.8728e-08 au
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      7621 days (20.87 yr)  
   first obs. used      1998-12-15  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56396  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 01:38:16  

Additional Information
 Earth MOID = 1.70791 au 
 Jupiter MOID = 1.59278 au 
 T_jup = 3.210 
[ 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 15.9   n/a MPO413119  
diameter diameter 3.404 km 0.993 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233951 (2009 XJ)          Discovered 2009-Dec-07 by Ferrando, R. at Pla D'Arguines
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2009 XJ = 2005 BS5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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