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212690 (2006 WW181)
Classification: Outer Main-belt Asteroid          SPK-ID: 2212690
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 .1441715130737203 8.523e-08  
a 3.965326720038269 8.6239e-08 au
q 3.393639566978699 3.5905e-07 au
i 4.322029518233983 7.6629e-06 deg
node 83.72590682923355 9.7713e-05 deg
peri 141.7997266227638 0.00010293 deg
M 104.7391537031107 2.8401e-05 deg
tp 2458161.381200071937
(2018-Feb-11.88120007)
0.00022671 TDB
period 2884.143677830108
7.90
9.4087e-05
2.576e-07
d
yr
n .1248204112601099 4.0719e-09 deg/d
Q 4.537013873097838 9.8672e-08 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      5889 days (16.12 yr)  
   first obs. used      2002-04-04  
   last obs. used      2018-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59591  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 16:44:36  

Additional Information
 Earth MOID = 2.3858 au 
 Jupiter MOID = .471875 au 
 T_jup = 3.035 
[ 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 14.8   n/a MPO450008  

212690 (2006 WW181)          Discovered 2006-Nov-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2006 WW181 = 2007 YL36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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