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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1372056845057608 4.4165e-08  
a 3.064446288031396 2.8383e-08 au
q 2.643986837450911 1.3773e-07 au
i 5.245777482017494 5.6869e-06 deg
node 238.3584491534388 6.5716e-05 deg
peri 209.3411890906692 6.9877e-05 deg
M 240.420763922461 2.472e-05 deg
tp 2459251.348219720751
(2021-Feb-05.84821972)
0.00013798 TDB
period 1959.415085638608
5.36
2.7222e-05
7.453e-08
d
yr
n .1837282986328901 2.5525e-09 deg/d
Q 3.484905738611882 3.2277e-08 au
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      9421 days (25.79 yr)  
   first obs. used      1993-12-17  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5405  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:56:37  

Additional Information
 Earth MOID = 1.6618 au 
 Jupiter MOID = 1.74846 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 15.5   n/a MPO454631  
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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