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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1535541999815201 4.6212e-08  
a 2.255026945480331 1.1532e-08 au
q 1.908758086930328 1.0569e-07 au
i 7.892719788265606 5.6345e-06 deg
node 58.30924358935378 3.1463e-05 deg
peri 224.2704493631074 3.5407e-05 deg
M 146.6604147072818 1.6864e-05 deg
tp 2456896.609189343249
(2014-Aug-27.10918934)
5.7679e-05 JED
period 1236.875623176755
3.39
9.4877e-06
2.598e-08
d
yr
n .2910559422906134 2.2326e-09 deg/d
Q 2.601295804030334 1.3303e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1198  
   data-arc span      12469 days (34.14 yr)  
   first obs. used      1981-10-30  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51437  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:25:27  

Additional Information
 Earth MOID = .899929 au 
 Jupiter MOID = 2.52587 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 13.8 mag n/a MPO347634  

13802 (1998 WR3)          Discovered 1998-Nov-18 by Ueda, S., Kaneda, H. at Kushiro
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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