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JPL Small-Body Database Browser
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18051 (1999 RU196)
Classification: Main-belt Asteroid          SPK-ID: 2018051
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0231423577380661 4.2471e-08  
a 3.013343061645821 2.0872e-08 au
q 2.943607198525694 1.267e-07 au
i 9.569438392462073 6.5672e-06 deg
node 225.1831748439317 2.9389e-05 deg
peri 221.3398564108007 0.00015712 deg
M 174.1903575744609 0.00015414 deg
tp 2457676.029827342554
(2016-Oct-14.52982734)
0.00081725 TDB
period 1910.606687941467
5.23
1.9851e-05
5.435e-08
d
yr
n .1884218255238458 1.9576e-09 deg/d
Q 3.083078924765948 2.1355e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1348  
   data-arc span      13611 days (37.26 yr)  
   first obs. used      1982-05-15  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50311  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:25:20  

Additional Information
 Earth MOID = 1.96397 au 
 Jupiter MOID = 2.00527 au 
 T_jup = 3.227 
[ 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 13.4   n/a MPO358805  
diameter diameter 6.639 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.210   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18051 (1999 RU196)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RU196 = 1982 JT2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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