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JPL Small-Body Database Browser
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392255 (2009 WR233)
Classification: Main-belt Asteroid          SPK-ID: 2392255
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .101617403532505 7.0864e-08  
a 2.267205011544036 2.1392e-08 au
q 2.036817524995048 1.5905e-07 au
i 2.029965375777149 7.4609e-06 deg
node 53.47031897016288 0.00018798 deg
peri 104.6456563589408 0.00019206 deg
M 159.2746210079299 4.3945e-05 deg
tp 2458048.830853268757
(2017-Oct-22.33085327)
0.00014808 TDB
period 1246.908588238671
3.41
1.7648e-05
4.832e-08
d
yr
n .288714027151357 4.0863e-09 deg/d
Q 2.497592498093024 2.3566e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      7269 days (19.90 yr)  
   first obs. used      1999-12-02  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61819  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 13:03:56  

Additional Information
 Earth MOID = 1.04737 au 
 Jupiter MOID = 2.48129 au 
 T_jup = 3.608 
[ 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 17.4   n/a MPO450377  

392255 (2009 WR233)          Discovered 2009-Sep-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2009 WR233 = 2013 YH77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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