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266900 (2009 WN112)
Classification: Main-belt Asteroid          SPK-ID: 2266900
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2704039931357457 7.5129e-08  
a 3.17530500666741 3.8896e-08 au
q 2.316689853440617 2.5572e-07 au
i 16.51748298807907 6.1632e-06 deg
node 128.9622852966695 1.9057e-05 deg
peri 204.554181631578 2.2761e-05 deg
M 6.767372526559325 1.2816e-05 deg
tp 2458961.649717395520
(2020-Apr-22.14971740)
7.3088e-05 TDB
period 2066.696000954999
5.66
3.7974e-05
1.04e-07
d
yr
n .1741910759171391 3.2006e-09 deg/d
Q 4.033920159894203 4.9413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      8084 days (22.13 yr)  
   first obs. used      1997-06-30  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56077  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:50:46  

Additional Information
 Earth MOID = 1.31531 au 
 Jupiter MOID = 1.37086 au 
 T_jup = 3.081 
[ 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 15.3   n/a MPO440312  
diameter diameter 6.684 km 0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

266900 (2009 WN112)          Discovered 2009-Nov-17 by CSS at Catalina
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 WN112 = 2010 CV16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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