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86169 (1999 RW209)
Classification: Main-belt Asteroid          SPK-ID: 2086169
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1243377601816703 8.98e-08  
a 3.069978959232235 2.8361e-08 au
q 2.688264651636443 2.8566e-07 au
i 10.4345164712786 8.5714e-06 deg
node 329.3494090982664 3.1263e-05 deg
peri 5.234150124065698 3.8912e-05 deg
M 337.8973523749506 2.1848e-05 deg
tp 2459121.126665984583
(2020-Sep-28.62666598)
0.00011927 TDB
period 1964.72388698061
5.38
2.7226e-05
7.454e-08
d
yr
n .1832318537915516 2.5391e-09 deg/d
Q 3.451693266828026 3.1887e-08 au
  Orbit Determination Parameters
   # obs. used (total)      460  
   data-arc span      8932 days (24.45 yr)  
   first obs. used      1996-02-16  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59028  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:59:18  

Additional Information
 Earth MOID = 1.67833 au 
 Jupiter MOID = 1.91484 au 
 T_jup = 3.194 
[ 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 14.9   n/a MPO436378  
diameter diameter 3.742 km 0.493 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.152   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

86169 (1999 RW209)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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