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13783 (1998 UJ20)
Classification: Main-belt Asteroid          SPK-ID: 2013783
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2131194639830628 6.6616e-08  
a 2.421099081845838 1.7124e-08 AU
q 1.905115743272968 1.649e-07 AU
i 5.154554212160951 5.5655e-06 deg
node 265.5151375984427 7.1251e-05 deg
peri 110.8253797901683 7.2531e-05 deg
M 110.84705570769 1.408e-05 deg
tp 2456576.819054506264
(2013-Oct-11.31905451)
5.3171e-05 JED
period 1375.996316762462
3.77
1.4598e-05
3.997e-08
d
yr
n .261628607296735 2.7757e-09 deg/d
Q 2.937082420418709 2.0774e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      924  
   data-arc span      13000 days (35.59 yr)  
   first obs. used      1979-09-14  
   last obs. used      2015-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55095  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:18:43  

Additional Information
 Earth MOID = .914076 AU 
 T_jup = 3.477 
[ 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 14.0 mag n/a MPO263472  

13783 (1998 UJ20)          Discovered 1998-Oct-20 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 UJ20 = 1979 RK1 = 1992 CP3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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