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118937 (2000 WT46)
Classification: Main-belt Asteroid          SPK-ID: 2118937
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 .04033859688344166 4.026e-08  
a 3.095396031793025 2.301e-08 au
q 2.970532099071921 1.179e-07 au
i 11.82329489430462 4.8956e-06 deg
node 86.5310018195329 2.0148e-05 deg
peri 74.03133718654111 6.5942e-05 deg
M 119.7704490204537 6.1458e-05 deg
tp 2458338.710402839746
(2018-Aug-08.21040284)
0.00034059 TDB
period 1989.173931684981
5.45
2.218e-05
6.073e-08
d
yr
n .18097964902197 2.018e-09 deg/d
Q 3.220259964514129 2.3938e-08 au
  Orbit Determination Parameters
   # obs. used (total)      666  
   data-arc span      7201 days (19.72 yr)  
   first obs. used      2000-11-21  
   last obs. used      2020-08-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57266  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:07:55  

Additional Information
 Earth MOID = 2.00837 au 
 Jupiter MOID = 1.88678 au 
 T_jup = 3.190 
[ 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 14.8   n/a MPO436572  
diameter diameter 4.576 km 1.659 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.111   0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118937 (2000 WT46)          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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