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266611 (2008 OK9)
Classification: Main-belt Asteroid          SPK-ID: 2266611
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 .1105183477664241 5.2254e-08  
a 2.99818421384146 3.4866e-08 au
q 2.666829848228327 1.424e-07 au
i 7.66602703785606 4.3772e-06 deg
node 138.2007104158671 4.2036e-05 deg
peri 194.7529395807877 4.9037e-05 deg
M 85.59589023792464 2.4313e-05 deg
tp 2458549.645603534698
(2019-Mar-07.14560353)
0.00012782 TDB
period 1896.207659927996
5.19
3.3077e-05
9.056e-08
d
yr
n .1898526240599989 3.3117e-09 deg/d
Q 3.329538579454594 3.872e-08 au
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      5084 days (13.92 yr)  
   first obs. used      2006-01-26  
   last obs. used      2019-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54428  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:24:31  

Additional Information
 Earth MOID = 1.65701 au 
 Jupiter MOID = 2.01529 au 
 T_jup = 3.231 
[ 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 16.0   n/a MPO454981  
diameter diameter 5.086 km 0.252 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.027   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

266611 (2008 OK9)          Discovered 2008-Jul-29 by La Sagra at La Sagra
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2008 OK9 = 2009 WZ216 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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