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JPL Small-Body Database Browser
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266892 (2009 WL50)
Classification: Main-belt Asteroid          SPK-ID: 2266892
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08817234409347957 5.8277e-08  
a 2.975619819049197 3.7231e-08 au
q 2.713252444472614 1.7333e-07 au
i 10.96089073110882 5.1499e-06 deg
node 90.04668615078823 3.289e-05 deg
peri 292.8651455815225 4.3773e-05 deg
M 321.2295810921017 2.7563e-05 deg
tp 2458802.412210594375
(2019-Nov-14.91221059)
0.0001433 TDB
period 1874.841641165936
5.13
3.5187e-05
9.634e-08
d
yr
n .1920162173142908 3.6037e-09 deg/d
Q 3.23798719362578 4.0513e-08 au
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      8188 days (22.42 yr)  
   first obs. used      1997-05-31  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6092  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:07:12  

Additional Information
 Earth MOID = 1.7405 au 
 Jupiter MOID = 2.19113 au 
 T_jup = 3.228 
[ 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 15.5   n/a MPO454983  
diameter diameter 2.911 km 0.465 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.132   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

266892 (2009 WL50)          Discovered 2009-Nov-19 by La Sagra at La Sagra
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 WL50 = 1997 KJ4 = 2007 HF55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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