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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1484649241456603 5.4271e-08  
a 3.206631253750271 2.7236e-08 au
q 2.730558987899133 1.7589e-07 au
i 6.37458515080137 6.4453e-06 deg
node 72.93403727443258 5.1168e-05 deg
peri 308.4573893185193 5.6701e-05 deg
M 41.23129117252972 2.1153e-05 deg
tp 2457160.287063167032
(2015-May-17.78706317)
0.00012331 JED
period 2097.355062154427
5.74
2.6721e-05
7.316e-08
d
yr
n .1716447570065719 2.1868e-09 deg/d
Q 3.682703519601409 3.128e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1029  
   data-arc span      10664 days (29.20 yr)  
   first obs. used      1986-10-07  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54837  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:26:04  

Additional Information
 Earth MOID = 1.73812 au 
 Jupiter MOID = 1.78772 au 
 T_jup = 3.166 
[ 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 13.1 mag n/a MPO350914  

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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