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136747 (1995 WD18)
Classification: Main-belt Asteroid          SPK-ID: 2136747
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 .1666238847086088 4.4212e-08  
a 3.184594229257617 2.0789e-08 au
q 2.653964767558096 1.4137e-07 au
i 3.966022729789186 5.0467e-06 deg
node 246.4358295304394 7.5529e-05 deg
peri 160.948488312495 7.7742e-05 deg
M 109.162603772416 1.661e-05 deg
tp 2458371.064884879912
(2018-Sep-09.56488488)
9.3965e-05 TDB
period 2075.771680159299
5.68
2.0326e-05
5.565e-08
d
yr
n .1734294785119974 1.6982e-09 deg/d
Q 3.715223690957139 2.4253e-08 au
  Orbit Determination Parameters
   # obs. used (total)      423  
   data-arc span      10606 days (29.04 yr)  
   first obs. used      1991-01-15  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62035  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:42:23  

Additional Information
 Earth MOID = 1.66434 au 
 Jupiter MOID = 1.6752 au 
 T_jup = 3.173 
[ 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 15.3   n/a MPO432829  

136747 (1995 WD18)          Discovered 1995-Nov-17 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1995 WD18 = 2001 VA34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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