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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1161552186502206 5.2514e-08  
a 2.524137777664774 2.8147e-08 au
q 2.23094600219684 1.3477e-07 au
i 8.662445729362398 1.8766e-05 deg
node 247.4102282784635 6.3989e-05 deg
peri 237.9092509008869 0.00017987 deg
M 69.05021950783561 0.00015896 deg
tp 2458319.549004822418
(2018-Jul-20.04900482)
0.00064729 TDB
period 1464.765195314872
4.01
2.4501e-05
6.708e-08
d
yr
n .2457731799960013 4.111e-09 deg/d
Q 2.817329553132708 3.1416e-08 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   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      .51134  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:57:20  

Additional Information
 Earth MOID = 1.26077 au 
 Jupiter MOID = 2.3179 au 
 T_jup = 3.429 
[ 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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