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JPL Small-Body Database Browser
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266890 (2009 WN48)
Classification: Main-belt Asteroid          SPK-ID: 2266890
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1161113030129197 7.0111e-08  
a 2.545037438233952 2.8759e-08 au
q 2.249529825063945 1.8257e-07 au
i 2.882236765698846 8.4471e-06 deg
node 339.9126556675816 0.0001395 deg
peri 274.9757268060782 0.00017005 deg
M 260.8154661740305 0.0001196 deg
tp 2459009.083802162045
(2020-Jun-08.58380216)
0.00049694 TDB
period 1482.995010456193
4.06
2.5137e-05
6.882e-08
d
yr
n .2427519967779651 4.1146e-09 deg/d
Q 2.84054505140396 3.2098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      5900 days (16.15 yr)  
   first obs. used      2002-12-14  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59038  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:17:35  

Additional Information
 Earth MOID = 1.23677 au 
 Jupiter MOID = 2.20762 au 
 T_jup = 3.432 
[ 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 16.7   n/a MPO427481  

266890 (2009 WN48)          Discovered 2009-Nov-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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