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379362 (2009 WE188)
Classification: Main-belt Asteroid          SPK-ID: 2379362
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1162544948569077 4.9576e-08  
a 2.52619115645887 2.8972e-08 au
q 2.232510079652757 1.2617e-07 au
i 8.654220616716778 1.824e-05 deg
node 247.3833995769372 6.3787e-05 deg
peri 238.5468301926456 0.0001791 deg
M 166.588801709914 0.00015808 deg
tp 2458321.857512188322
(2018-Jul-22.35751219)
0.00064677 TDB
period 1466.552932157052
4.02
2.5229e-05
6.907e-08
d
yr
n .2454735810118361 4.2229e-09 deg/d
Q 2.819872233264984 3.234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      4959 days (13.58 yr)  
   first obs. used      2005-10-28  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53123  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:10:08  

Additional Information
 Earth MOID = 1.26213 au 
 Jupiter MOID = 2.31268 au 
 T_jup = 3.428 
[ 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 17.5   n/a MPO434347  
diameter diameter 1.863 km 0.327 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

379362 (2009 WE188)          Discovered 2005-Oct-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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