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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1535284818592635 4.6032e-08  
a 2.255072489606232 1.1286e-08 au
q 1.908854633794397 1.0513e-07 au
i 7.892650744649425 5.6077e-06 deg
node 58.30820085842078 3.086e-05 deg
peri 224.238511265453 3.4733e-05 deg
M 204.9148785025132 1.6837e-05 deg
tp 2458133.352270991457
(2018-Jan-14.85227099)
5.8591e-05 JED
period 1236.913094593881
3.39
9.2855e-06
2.542e-08
d
yr
n .2910471249544009 2.1849e-09 deg/d
Q 2.601290345418067 1.3019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1227  
   data-arc span      12558 days (34.38 yr)  
   first obs. used      1981-10-30  
   last obs. used      2016-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52703  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:17:54  

Additional Information
 Earth MOID = .901351 au 
 Jupiter MOID = 2.52692 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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