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190645 (2000 XC18)
Classification: Main-belt Asteroid          SPK-ID: 2190645
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .193768563065788 6.3244e-08  
a 2.63555973200731 1.6636e-08 au
q 2.1248711098622 1.6351e-07 au
i 10.5614011257062 5.945e-06 deg
node 322.1224470335457 3.5101e-05 deg
peri 74.89974379886908 3.848e-05 deg
M 266.896971861348 1.4762e-05 deg
tp 2459604.674609844969
(2022-Jan-25.17460985)		 6.5498e-05 TDB
period 1562.815543738291
4.28		 1.4797e-05
4.051e-08		 d
yr
n .2303534805770306 2.181e-09 deg/d
Q 3.146248354152419 1.9859e-08 au
   Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      6741 days (18.46 yr)  
   first obs. used      2000-10-25  
   last obs. used      2019-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49715  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:20:21  

Additional Information
 Earth MOID = 1.15876 au 
 Jupiter MOID = 2.42081 au 
 T_jup = 3.347 
[ 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 16.1   n/a MPO470055  
diameter diameter 3.868 km 0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190645 (2000 XC18)          Discovered 2000-Dec-04 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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