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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1280781838441947 5.1555e-08  
a 3.08608870560337 3.2641e-08 au
q 2.690828069007609 1.6491e-07 au
i 4.242057529327548 4.7492e-06 deg
node 80.47899314269894 7.9254e-05 deg
peri 45.27760072866835 8.2295e-05 deg
M 5.21096959155185 2.2012e-05 deg
tp 2459367.836641689702
(2021-Jun-02.33664169)
0.0001209 TDB
period 1980.209020685237
5.42
3.1417e-05
8.602e-08
d
yr
n .1817989900255199 2.8843e-09 deg/d
Q 3.481349342199132 3.6822e-08 au
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      8122 days (22.24 yr)  
   first obs. used      1998-12-15  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54663  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:05:32  

Additional Information
 Earth MOID = 1.70893 au 
 Jupiter MOID = 1.5906 au 
 T_jup = 3.209 
[ 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 15.96   n/a MPCxxxxx  
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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