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227017 (2004 XM137)
Classification: Main-belt Asteroid          SPK-ID: 2227017
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1256939187994713 5.4588e-08  
a 2.961605861452805 3.2093e-08 au
q 2.589350014787318 1.6395e-07 au
i 13.9777044577633 6.7287e-06 deg
node 48.72014109462914 2.9312e-05 deg
peri 29.55669443853623 4.5608e-05 deg
M 66.81719847471267 3.1237e-05 deg
tp 2458854.978497151265
(2020-Jan-06.47849715)		 0.00016244 TDB
period 1861.612636642046
5.10		 3.026e-05
8.285e-08		 d
yr
n .1933807242785823 3.1433e-09 deg/d
Q 3.333861708118292 3.6127e-08 au
   Orbit Determination Parameters
   # obs. used (total)      495  
   data-arc span      9094 days (24.90 yr)  
   first obs. used      1996-04-18  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49688  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:06  

Additional Information
 Earth MOID = 1.61237 au 
 Jupiter MOID = 2.04179 au 
 T_jup = 3.210 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.01   n/a E2021B55  
diameter diameter 4.211 km 0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.131   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227017 (2004 XM137)          Discovered 2004-Dec-15 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2004 XM137 = 1996 HZ26 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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