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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1483493880637156 5.2238e-08  
a 3.206419112615048 2.6365e-08 au
q 2.730748799382804 1.6787e-07 au
i 6.374650996038816 6.4207e-06 deg
node 72.93391290752135 4.6928e-05 deg
peri 308.4554971749029 5.2729e-05 deg
M 75.57547373547425 2.0822e-05 deg
tp 2457160.242019468791
(2015-May-17.74201947)
0.00012152 JED
period 2097.146933487769
5.74
2.5866e-05
7.082e-08
d
yr
n .1716617916710697 2.1173e-09 deg/d
Q 3.682089425847292 3.0277e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1092  
   data-arc span      10770 days (29.49 yr)  
   first obs. used      1986-10-07  
   last obs. used      2016-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5491  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:18:08  

Additional Information
 Earth MOID = 1.73859 au 
 Jupiter MOID = 1.78722 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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