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190472 (2000 DF44)
Classification: Main-belt Asteroid          SPK-ID: 2190472
[ 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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08559097719003934 3.917e-08  
a 3.09349262481357 2.4616e-08 au
q 2.828717568125597 1.3239e-07 au
i 16.63934324851163 3.5848e-06 deg
node 157.0647500516585 1.3587e-05 deg
peri 312.4261775761873 2.9266e-05 deg
M 337.4083194643754 2.329e-05 deg
tp 2459325.214827881118
(2021-Apr-20.71482788)		 0.00012815 TDB
period 1987.339452963865
5.44		 2.3721e-05
6.494e-08		 d
yr
n .181146708209866 2.1622e-09 deg/d
Q 3.358267681501543 2.6723e-08 au
   Orbit Determination Parameters
   # obs. used (total)      708  
   data-arc span      7673 days (21.01 yr)  
   first obs. used      2000-02-06  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48781  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:07:49  

Additional Information
 Earth MOID = 1.86961 au 
 Jupiter MOID = 1.73874 au 
 T_jup = 3.154 
[ 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 14.6   n/a MPO454316  
diameter diameter 7.408 km 0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190472 (2000 DF44)          Discovered 2000-Feb-29 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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