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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457354.5 (2015-Nov-28.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03969507180066863 4.0479e-08  
q 2.968171846102423 1.1852e-07 au
tp 2458316.535633881518
(2018-Jul-17.03563388)
0.00034565 TDB
node 86.55054196712143 2.0149e-05 deg
peri 69.75969042767625 6.6906e-05 deg
i 11.82741959104554 4.8977e-06 deg
  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
 Jupiter MOID = 1.88678 au 
 T_jup = 3.190 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.638537857034748E-15 -4.728190815206613E-15 -1.376001884213727E-12 -2.560389420570093E-16 -3.129032724789747E-13 -8.865248172944489E-16
q -4.728190815206613E-15 1.404748118269053E-14 3.685807542854438E-12 4.161404041677151E-15 8.109311838035772E-13 3.907605872392655E-15
tp -1.376001884213727E-12 3.685807542854438E-12 1.194740529869744E-7 -5.547009044423968E-11 2.205710665758248E-8 -1.702153171144201E-11
node -2.560389420570093E-16 4.161404041677151E-15 -5.547009044423968E-11 4.059935709513055E-10 -4.074716695015471E-10 -6.320094853743245E-12
peri -3.129032724789747E-13 8.109311838035772E-13 2.205710665758248E-8 -4.074716695015471E-10 4.476350757706397E-9 3.037148400880077E-12
i -8.865248172944489E-16 3.907605872392655E-15 -1.702153171144201E-11 -6.320094853743245E-12 3.037148400880077E-12 2.398737750583853E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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