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118935 (2000 WE42)
Classification: Main-belt Asteroid          SPK-ID: 2118935
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04504159513110173 5.1142e-08  
a 3.105036703334759 2.7337e-08 au
q 2.965180897275944 1.6043e-07 au
i 8.493187091762604 5.7736e-06 deg
node 67.18693667110297 3.4448e-05 deg
peri 5.524627919858045 7.1337e-05 deg
M 226.2624199965013 6.3169e-05 deg
tp 2459942.919710869478
(2022-Dec-29.41971087)		 0.00035388 TDB
period 1998.474145457247
5.47		 2.6392e-05
7.226e-08		 d
yr
n .1801374317592849 2.3789e-09 deg/d
Q 3.244892509393574 2.8568e-08 au
   Orbit Determination Parameters
   # obs. used (total)      592  
   data-arc span      7168 days (19.62 yr)  
   first obs. used      2000-11-01  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59265  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:59:34  

Additional Information
 Earth MOID = 1.97925 au 
 Jupiter MOID = 1.95032 au 
 T_jup = 3.202 
[ 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 14.63   n/a E2021B55  
diameter diameter 7.901 km 0.201 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118935 (2000 WE42)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 WE42 = 2002 BC25 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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