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226979 (2004 XG22)
Classification: Main-belt Asteroid          SPK-ID: 2226979
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1374806770221067 4.3533e-08  
a 3.064706232524792 2.7749e-08 au
q 2.643368344803414 1.3658e-07 au
i 5.245694318709029 5.5883e-06 deg
node 238.3587552260693 6.5689e-05 deg
peri 209.3090684313296 6.9799e-05 deg
M 313.9709416642549 2.5034e-05 deg
tp 2459251.059742231954
(2021-Feb-05.55974223)
0.00013767 TDB
period 1959.664404723551
5.37
2.6615e-05
7.287e-08
d
yr
n .183704923726869 2.495e-09 deg/d
Q 3.48604412024617 3.1564e-08 au
  Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      9464 days (25.91 yr)  
   first obs. used      1993-12-17  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54129  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 15:37:31  

Additional Information
 Earth MOID = 1.6612 au 
 Jupiter MOID = 1.74687 au 
 T_jup = 3.212 
[ 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 MPO494245  
diameter diameter 3.140 km 0.770 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.124   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226979 (2004 XG22)          Discovered 2004-Dec-08 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 XG22 = 2003 SM347 = 2009 UT18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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