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118940 (2000 WH58)
Classification: Main-belt Asteroid          SPK-ID: 2118940
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1331417535635032 4.5125e-08  
a 3.045383801434205 2.5157e-08 au
q 2.639916061837368 1.4111e-07 au
i 2.630817406137061 5.9036e-06 deg
node 119.7142096060291 0.00011943 deg
peri 338.4445963786504 0.00012264 deg
M 226.6977143960146 2.9674e-05 deg
tp 2459719.280972616530
(2022-May-19.78097262)
0.00016478 TDB
period 1941.160640791101
5.31
2.4053e-05
6.585e-08
d
yr
n .185456057801216 2.298e-09 deg/d
Q 3.450851541031042 2.8506e-08 au
  Orbit Determination Parameters
   # obs. used (total)      620  
   data-arc span      7627 days (20.88 yr)  
   first obs. used      1999-09-11  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56681  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:04:39  

Additional Information
 Earth MOID = 1.657 au 
 Jupiter MOID = 1.70536 au 
 T_jup = 3.223 
[ 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 14.9   n/a MPO432691  
diameter diameter 4.066 km 0.879 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.141   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118940 (2000 WH58)          Discovered 2000-Nov-21 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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