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JPL Small-Body Database Browser
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392257 (2009 WQ263)
Classification: Main-belt Asteroid          SPK-ID: 2392257
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09524015695106312 7.5493e-08  
a 2.341547620566164 2.4385e-08 au
q 2.118538257675054 1.761e-07 au
i 3.146346115270191 1.0079e-05 deg
node 326.8137549568931 0.00015412 deg
peri 161.4870486195906 0.00016965 deg
M 313.3301014949671 7.5571e-05 deg
tp 2459170.163051707624
(2020-Nov-16.66305171)
0.0002766 TDB
period 1308.738621065524
3.58
2.0444e-05
5.597e-08
d
yr
n .2750740248705292 4.297e-09 deg/d
Q 2.564556983457273 2.6708e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      6114 days (16.74 yr)  
   first obs. used      2003-01-28  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .637  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 13:03:56  

Additional Information
 Earth MOID = 1.13371 au 
 Jupiter MOID = 2.46723 au 
 T_jup = 3.556 
[ 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 18.1   n/a MPO494987  

392257 (2009 WQ263)          Discovered 2009-Nov-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

Alternate Designations
 2009 WQ263 = 2005 UP470 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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