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105509 (2000 RL9)
Classification: Main-belt Asteroid          SPK-ID: 2105509
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2098468362803518 3.9337e-08  
a 2.398851434626321 1.3009e-08 au
q 1.895460050363405 9.5974e-08 au
i 10.3344765677182 5.4207e-06 deg
node 70.95922930926746 2.5196e-05 deg
peri 277.8412508389574 2.8261e-05 deg
M 149.1037285127891 1.4167e-05 deg
tp 2458438.431226778248
(2018-Nov-15.93122678)
5.1938e-05 TDB
period 1357.07376588155
3.72
1.1039e-05
3.022e-08
d
yr
n .2652766629573341 2.1579e-09 deg/d
Q 2.902242818889238 1.5739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      677  
   data-arc span      7570 days (20.73 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53897  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 02:24:15  

Additional Information
 Earth MOID = .922902 au 
 Jupiter MOID = 2.60069 au 
 T_jup = 3.475 
[ 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 15.5   n/a MPO299610  
diameter diameter 4.181 km 0.408 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.084   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

105509 (2000 RL9)          Discovered 2000-Sep-01 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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