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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .148818492599261 7.5726e-08  
a 3.20793996229105 3.7539e-08 AU
q 2.730539172753966 2.5955e-07 AU
i 6.374009045740928 6.6331e-06 deg
node 72.94005529405908 6.8914e-05 deg
peri 308.4696504296433 7.3457e-05 deg
M 332.5756176398511 2.5303e-05 deg
tp 2457160.371897303373
(2015-May-17.87189730)
0.00014849 JED
period 2098.639169823107
5.75
3.6837e-05
1.009e-07
d
yr
n .1715397316396911 3.011e-09 deg/d
Q 3.685340751828134 4.3125e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      853  
   data-arc span      10203 days (27.93 yr)  
   first obs. used      1986-10-07  
   last obs. used      2014-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53663  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:26:35  

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 (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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