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13986 (1992 WA4)
Classification: Outer Main-belt Asteroid          SPK-ID: 2013986
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1489552540808821 1.012e-07  
a 3.208375571826881 4.4893e-08 AU
q 2.730471173338513 3.225e-07 AU
i 6.374215072464311 9.2501e-06 deg
node 72.94471009084084 7.8592e-05 deg
peri 308.4527858688651 8.3072e-05 deg
M 298.2931876605721 2.9571e-05 deg
tp 2457160.296421653500
(2015-May-17.79642165)
0.00017638 JED
period 2099.066648958922
5.75
4.4056e-05
1.206e-07
d
yr
n .1715047972290684 3.5996e-09 deg/d
Q 3.686279970315249 5.158e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      797  
   data-arc span      9746 days (26.68 yr)  
   first obs. used      1986-10-07  
   last obs. used      2013-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57148  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 17:39:45  

Additional Information
 Earth MOID = 1.7383 AU 
 T_jup = 3.165 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0 mag n/a MPO263474  

13986 (1992 WA4)          Discovered 1992-Nov-21 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 WA4 = 1986 TO6 = 1986 VC9 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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