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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1488184849390887 7.0194e-08  
a 3.207939967032612 3.4466e-08 AU
q 2.730539201363269 2.3789e-07 AU
i 6.374009681667403 6.5726e-06 deg
node 72.94006869797697 6.673e-05 deg
peri 308.4696393787249 7.1159e-05 deg
M 332.5756144506551 2.3719e-05 deg
tp 2457160.371916249414
(2015-May-17.87191625)
0.00013891 JED
period 2098.639174476013
5.75
3.3822e-05
9.26e-08
d
yr
n .1715397312593694 2.7645e-09 deg/d
Q 3.685340732701956 3.9595e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      871  
   data-arc span      10545 days (28.87 yr)  
   first obs. used      1986-10-07  
   last obs. used      2015-08-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53749  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:40:09  

Additional Information
 Earth MOID = 1.73956 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
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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