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243361 (2008 WU43)
Classification: Main-belt Asteroid          SPK-ID: 2243361
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06192735520270932 5.8948e-08  
a 3.059611842668699 4.38e-08 au
q 2.870138173305338 1.9342e-07 au
i 1.714670771260842 6.7955e-06 deg
node 302.6402564257412 0.00022174 deg
peri 154.0222651904982 0.00023013 deg
M 29.78215841037574 6.1091e-05 deg
tp 2458838.784519583121
(2019-Dec-21.28451958)
0.0003308 TDB
period 1954.780179054922
5.35
4.1975e-05
1.149e-07
d
yr
n .1841639299688671 3.9546e-09 deg/d
Q 3.249085512032059 4.6512e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      7636 days (20.91 yr)  
   first obs. used      1999-02-08  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55284  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 02:51:23  

Additional Information
 Earth MOID = 1.8871 au 
 Jupiter MOID = 1.85423 au 
 T_jup = 3.231 
[ 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 16.2   n/a MPO413138  
diameter diameter 4.187 km 1.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.033   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243361 (2008 WU43)          Discovered 2008-Nov-17 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

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