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245222 (2004 XW37)
Classification: Main-belt Asteroid          SPK-ID: 2245222
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1411512250202723 3.4456e-08  
a 2.858047087625167 2.4427e-08 au
q 2.454630240041253 9.2086e-08 au
i 15.0523710896827 5.5444e-06 deg
node 183.1301730667913 1.5438e-05 deg
peri 229.9467603075784 2.8344e-05 deg
M 80.10770774137899 2.1845e-05 deg
tp 2458607.787884003930
(2019-May-04.28788400)
0.00010843 TDB
period 1764.828450902713
4.83
2.2626e-05
6.195e-08
d
yr
n .2039858320596879 2.6152e-09 deg/d
Q 3.261463935209081 2.7875e-08 au
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      7421 days (20.32 yr)  
   first obs. used      1999-10-09  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52839  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:41:14  

Additional Information
 Earth MOID = 1.49076 au 
 Jupiter MOID = 2.2597 au 
 T_jup = 3.238 
[ 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 15.8   n/a MPO379811  
diameter diameter 2.532 km 0.531 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.191   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245222 (2004 XW37)          Discovered 2004-Dec-07 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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