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13802 (1998 WR3)
Classification: Main-belt Asteroid          SPK-ID: 2013802
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1531829971872365 5.9791e-08  
a 2.255330195733813 1.7486e-08 AU
q 1.909851956704431 1.3569e-07 AU
i 7.892717026724727 6.4696e-06 deg
node 58.31942208811395 5.0005e-05 deg
peri 224.3878436932882 5.6466e-05 deg
M 215.5140824811053 3.0002e-05 deg
tp 2456897.019887228883
(2014-Aug-27.51988723)		 0.00010473 JED
period 1237.125129367868
3.39		 1.4387e-05
3.939e-08		 d
yr
n .2909972414705929 3.3842e-09 deg/d
Q 2.600808434763196 2.0165e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      904  
   data-arc span      11487 days (31.45 yr)  
   first obs. used      1981-10-30  
   last obs. used      2013-04-12  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .54472  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:53:48  

Additional Information
 Earth MOID = .902742 AU 
 T_jup = 3.596 
[ 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 13.6 mag n/a PDS3 (MPC 38400)  

13802 (1998 WR3)          Discovered 1998-Nov-18 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WR3 = 1981 UD7 = 1997 JK16 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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