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190638 (2000 WD164)
Classification: Main-belt Asteroid          SPK-ID: 2190638
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2191540643614435 8.5047e-08  
a 2.584272022983173 2.2037e-08 au
q 2.017918305730841 2.3231e-07 au
i 12.01703511600133 4.6101e-06 deg
node 254.9164698991235 3.1226e-05 deg
peri 83.32888504191256 3.3034e-05 deg
M 6.854109054062187 1.06e-05 deg
tp 2459171.609552083193
(2020-Nov-18.10955208)
4.453e-05 TDB
period 1517.419867121382
4.15
1.9409e-05
5.314e-08
d
yr
n .2372448178650363 3.0346e-09 deg/d
Q 3.150625740235505 2.6866e-08 au
  Orbit Determination Parameters
   # obs. used (total)      649  
   data-arc span      7888 days (21.60 yr)  
   first obs. used      1999-06-15  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55588  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:03:09  

Additional Information
 Earth MOID = 1.04912 au 
 Jupiter MOID = 2.37195 au 
 T_jup = 3.359 
[ 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 15.25   n/a E2021B55  

190638 (2000 WD164)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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