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190419 (1999 VO54)
Classification: Main-belt Asteroid          SPK-ID: 2190419
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2237501629975662 4.5802e-08  
a 2.772288389399194 1.8271e-08 au
q 2.151988410394864 1.3212e-07 au
i 3.521389394584973 5.2441e-06 deg
node 212.3309973724566 7.9032e-05 deg
peri 154.2130411786825 7.9756e-05 deg
M 224.0782514025259 1.293e-05 deg
tp 2459837.064607086640
(2022-Sep-14.56460709)		 6.4705e-05 TDB
period 1685.994043748264
4.62		 1.6668e-05
4.563e-08		 d
yr
n .2135238860035686 2.1109e-09 deg/d
Q 3.392588368403525 2.2359e-08 au
   Orbit Determination Parameters
   # obs. used (total)      363  
   data-arc span      7513 days (20.57 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53058  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 05:14:59  

Additional Information
 Earth MOID = 1.14988 au 
 Jupiter MOID = 2.08067 au 
 T_jup = 3.297 
[ 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 16.07   n/a E2021B55  
diameter diameter 4.543 km 1.355 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.031   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190419 (1999 VO54)          Discovered 1999-Nov-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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