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190418 (1999 UO35)
Classification: Main-belt Asteroid          SPK-ID: 2190418
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3591446319127908 4.8901e-08  
a 2.772295255895208 1.5396e-08 au
q 1.776640296663147 1.3424e-07 au
i 16.80731498839812 5.497e-06 deg
node 195.0329680388379 1.7382e-05 deg
peri 219.5105496412979 1.8324e-05 deg
M 201.3426415034666 9.4974e-06 deg
tp 2459943.545431207514
(2022-Dec-30.04543121)		 4.9412e-05 TDB
period 1686.00030764126
4.62		 1.4045e-05
3.845e-08		 d
yr
n .2135230927114394 1.7787e-09 deg/d
Q 3.767950215127269 2.0925e-08 au
   Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      7563 days (20.71 yr)  
   first obs. used      1999-10-08  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61332  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:02:06  

Additional Information
 Earth MOID = .814412 au 
 Jupiter MOID = 1.77614 au 
 T_jup = 3.181 
[ 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 15.67   n/a E2021B55  
diameter diameter 4.833 km 0.856 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

190418 (1999 UO35)          Discovered 1999-Oct-31 by CSS at Catalina
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
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