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JPL Small-Body Database Browser
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392253 (2009 WB206)
Classification: Main-belt Asteroid          SPK-ID: 2392253
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08212122451361348 6.5329e-08  
a 2.20439928927387 1.7998e-08 au
q 2.023371320321761 1.4802e-07 au
i 2.259111240663119 7.4388e-06 deg
node 319.0348990279488 0.00010995 deg
peri 205.7336763602123 0.00011402 deg
M 224.2790266737031 2.9646e-05 deg
tp 2459051.190376883332
(2020-Jul-20.69037688)
0.0001001 TDB
period 1195.456617363962
3.27
1.464e-05
4.008e-08
d
yr
n .3011401624877171 3.688e-09 deg/d
Q 2.385427258225979 1.9476e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      5283 days (14.46 yr)  
   first obs. used      2004-02-26  
   last obs. used      2018-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53102  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:44:48  

Additional Information
 Earth MOID = 1.03138 au 
 Jupiter MOID = 2.58875 au 
 T_jup = 3.657 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.0   n/a MPO455784  
diameter diameter 1.667 km 0.378 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

392253 (2009 WB206)          Discovered 2007-Jan-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

Alternate Designations
 2009 WB206 = 2004 DJ79 = 2007 BP61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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