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JPL Small-Body Database Browser
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20118 (1995 WX)
Classification: Main-belt Asteroid          SPK-ID: 2020118
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08739969570840576 3.7151e-08  
a 2.751428021140221 1.4911e-08 au
q 2.510954049328985 1.0337e-07 au
i 2.675092040972737 4.2611e-06 deg
node 107.7201737383721 9.2333e-05 deg
peri 345.2505230734802 9.6125e-05 deg
M 20.10408177548977 2.7432e-05 deg
tp 2458507.406919387894
(2019-Jan-23.90691939)
0.00012683 TDB
period 1667.000233814045
4.56
1.3551e-05
3.71e-08
d
yr
n .2159567783480936 1.7555e-09 deg/d
Q 2.991901992951458 1.6214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1097  
   data-arc span      10387 days (28.44 yr)  
   first obs. used      1990-09-28  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53819  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 23:36:27  

Additional Information
 Earth MOID = 1.52782 au 
 Jupiter MOID = 2.14316 au 
 T_jup = 3.338 
[ 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 14.6   n/a MPO426004  
diameter diameter 6.056 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20118 (1995 WX)          Discovered 1995-Nov-17 by Kobayashi, T. at Oizumi
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 WX = 1999 TY88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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