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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2131194630755568 6.6623e-08  
a 2.42109908310924 1.7176e-08 AU
q 1.905115746464276 1.6494e-07 AU
i 5.154554192016445 5.5986e-06 deg
node 265.515137459791 7.1254e-05 deg
peri 110.8253783281714 7.2549e-05 deg
M 110.8470565820131 1.4108e-05 deg
tp 2456576.819050832782
(2013-Oct-11.31905083)
5.3305e-05 JED
period 1375.996317839516
3.77
1.4643e-05
4.009e-08
d
yr
n .2616286070919465 2.7842e-09 deg/d
Q 2.937082419754204 2.0837e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      916  
   data-arc span      12978 days (35.53 yr)  
   first obs. used      1979-09-14  
   last obs. used      2015-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55012  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:47:46  

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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