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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1103049309172697 5.2308e-08  
a 2.997022596865803 3.6046e-08 au
q 2.666436226361024 1.431e-07 au
i 7.666255465187273 4.7266e-06 deg
node 138.2082794418449 4.2089e-05 deg
peri 194.5828610874862 4.9176e-05 deg
M 9.794185273401727 2.4707e-05 deg
tp 2458548.941619481720
(2019-Mar-06.44161948)
0.00013002 TDB
period 1895.105766172044
5.19
3.4189e-05
9.36e-08
d
yr
n .1899630123162836 3.4271e-09 deg/d
Q 3.327608967370582 4.0022e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      5024 days (13.75 yr)  
   first obs. used      2006-01-26  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55873  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:05:07  

Additional Information
 Earth MOID = 1.65566 au 
 Jupiter MOID = 2.01373 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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