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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1665125910673572 4.8488e-08  
a 3.185810385526416 2.104e-08 au
q 2.655332843583116 1.5611e-07 au
i 3.966109415868307 5.4729e-06 deg
node 246.4418363696561 7.5708e-05 deg
peri 161.08413406 7.8275e-05 deg
M 39.68458866951663 1.7079e-05 deg
tp 2458371.546284955025
(2018-Sep-10.04628495)
9.8037e-05 TDB
period 2076.960860111012
5.69
2.0575e-05
5.633e-08
d
yr
n .1733301801271105 1.7171e-09 deg/d
Q 3.716287927469716 2.4543e-08 au
  Orbit Determination Parameters
   # obs. used (total)      412  
   data-arc span      10219 days (27.98 yr)  
   first obs. used      1991-01-15  
   last obs. used      2019-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63426  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:48:58  

Additional Information
 Earth MOID = 1.66524 au 
 Jupiter MOID = 1.67244 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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