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JPL Small-Body Database Browser
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226984 (2004 XS31)
Classification: Main-belt Asteroid          SPK-ID: 2226984
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1199228383351022 4.7751e-08  
a 3.150744246750159 3.6933e-08 au
q 2.772898053811886 1.4393e-07 au
i 3.954683838065698 5.0265e-06 deg
node 78.76212437615635 9.3337e-05 deg
peri 35.30065245558307 9.7258e-05 deg
M 189.689537363982 2.6992e-05 deg
tp 2459566.900136554139
(2021-Dec-18.40013655)		 0.00015829 TDB
period 2042.763807782141
5.59		 3.5918e-05
9.834e-08		 d
yr
n .1762318279913415 3.0987e-09 deg/d
Q 3.528590439688432 4.1362e-08 au
   Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      6695 days (18.33 yr)  
   first obs. used      2000-03-05  
   last obs. used      2018-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56521  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:33:15  

Additional Information
 Earth MOID = 1.79088 au 
 Jupiter MOID = 1.57789 au 
 T_jup = 3.193 
[ 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 15.6   n/a MPO454631  

226984 (2004 XS31)          Discovered 2004-Dec-09 by CSS at Catalina
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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