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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1534559303003569 5.7463e-08  
a 2.255393258663492 1.6078e-08 AU
q 1.909289787962132 1.3197e-07 AU
i 7.892364982962542 6.4051e-06 deg
node 58.31682530704889 4.7826e-05 deg
peri 224.3722343480144 5.3664e-05 deg
M 331.95970502472 2.6695e-05 deg
tp 2456896.863357001068
(2014-Aug-27.36335700)
9.1913e-05 JED
period 1237.177017965302
3.39
1.3229e-05
3.622e-08
d
yr
n .2909850367185664 3.1114e-09 deg/d
Q 2.601496729364851 1.8545e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      941  
   data-arc span      11843 days (32.42 yr)  
   first obs. used      1981-10-30  
   last obs. used      2014-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54407  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:04:28  

Additional Information
 Earth MOID = .901576 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 13.7 mag n/a MPO263472  

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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