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22043 (1999 XW204)
Classification: Main-belt Asteroid          SPK-ID: 2022043
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1099059545815529 5.0168e-08  
a 2.837537215264788 1.6564e-08 au
q 2.52567497896043 1.4443e-07 au
i 16.48971336055665 5.3645e-06 deg
node 323.5304995605019 1.3359e-05 deg
peri 18.73313662274974 2.0983e-05 deg
M 250.9945153503971 1.7195e-05 deg
tp 2459729.135866525771
(2022-May-29.63586653)		 8.4913e-05 TDB
period 1745.865472375302
4.78		 1.5288e-05
4.186e-08		 d
yr
n .2062014546345369 1.8056e-09 deg/d
Q 3.149399451569145 1.8385e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1803  
   data-arc span      10708 days (29.32 yr)  
   first obs. used      1991-02-15  
   last obs. used      2020-06-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45836  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:58:21  

Additional Information
 Earth MOID = 1.51872 au 
 Jupiter MOID = 2.2296 au 
 T_jup = 3.241 
[ 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 13.05   n/a E2021B10  
diameter diameter 16.655 km 0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22043 (1999 XW204)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XW204 = 1991 CF2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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