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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2131194544461869 6.687e-08  
a 2.421099085724463 1.8358e-08 AU
q 1.905115769414703 1.6601e-07 AU
i 5.154555191689475 6.0559e-06 deg
node 265.5151355977897 7.1614e-05 deg
peri 110.8253844567259 7.3287e-05 deg
M 110.8470515433393 1.4752e-05 deg
tp 2456576.819069405184
(2013-Oct-11.31906941)
5.6266e-05 JED
period 1375.996320069001
3.77
1.565e-05
4.285e-08
d
yr
n .2616286066680377 2.9756e-09 deg/d
Q 2.937082402034222 2.227e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      843  
   data-arc span      12917 days (35.36 yr)  
   first obs. used      1979-09-14  
   last obs. used      2015-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54438  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:38:30  

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 (399)
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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