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118975 (2000 WB180)
Classification: Main-belt Asteroid          SPK-ID: 2118975
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1907424514737726 4.9959e-08  
a 3.09822943489504 2.4222e-08 au
q 2.507265557254959 1.5826e-07 au
i 2.614222602680667 4.8867e-06 deg
node 145.6557540720108 0.00013813 deg
peri 202.9473832547525 0.00013913 deg
M 261.0364466611909 2.0364e-05 deg
tp 2459548.072425676489
(2021-Nov-29.57242568)
0.00011752 TDB
period 1991.905773316972
5.45
2.3359e-05
6.395e-08
d
yr
n .1807314406245828 2.1194e-09 deg/d
Q 3.689193312535121 2.8842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      7588 days (20.77 yr)  
   first obs. used      1999-07-19  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50769  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:25:13  

Additional Information
 Earth MOID = 1.50108 au 
 Jupiter MOID = 1.73834 au 
 T_jup = 3.193 
[ 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 15.1   n/a MPO436572  
diameter diameter 5.469 km 0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118975 (2000 WB180)          Discovered 2000-Nov-27 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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