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JPL Small-Body Database Browser
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392247 (2009 WA123)
Classification: Main-belt Asteroid          SPK-ID: 2392247
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08137851843708345 8.7838e-08  
a 2.188644469857116 4.2353e-08 au
q 2.010535825514628 2.1089e-07 au
i 1.680033488929567 6.5213e-06 deg
node 77.07553540558256 0.00041994 deg
peri 333.6852434362203 0.00043008 deg
M 337.9256147639088 0.00010397 deg
tp 2458673.018259534730
(2019-Jul-08.51825953)
0.00034314 TDB
period 1182.66366892153
3.24
3.4329e-05
9.399e-08
d
yr
n .3043976148589089 8.8358e-09 deg/d
Q 2.366753114199604 4.58e-08 au
  Orbit Determination Parameters
   # obs. used (total)      56  
   data-arc span      3673 days (10.06 yr)  
   first obs. used      2007-01-10  
   last obs. used      2017-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62989  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 21:23:33  

Additional Information
 Earth MOID = 1.0206 au 
 Jupiter MOID = 2.86807 au 
 T_jup = 3.670 
[ 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 18.8   n/a MPO397426  

392247 (2009 WA123)          Discovered 2009-Nov-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2009 WA123 = 2012 TG155 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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