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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2131194525497971 6.6951e-08  
a 2.421099088231508 1.8741e-08 AU
q 1.905115775978796 1.6637e-07 AU
i 5.154554469612008 6.16e-06 deg
node 265.5151376328245 7.1691e-05 deg
peri 110.8253794119798 7.3485e-05 deg
M 110.8470531851882 1.4944e-05 deg
tp 2456576.819062471608
(2013-Oct-11.31906247)
5.7169e-05 JED
period 1375.996322206266
3.77
1.5977e-05
4.374e-08
d
yr
n .2616286062616634 3.0377e-09 deg/d
Q 2.93708240048422 2.2735e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      839  
   data-arc span      12868 days (35.23 yr)  
   first obs. used      1979-09-14  
   last obs. used      2014-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54519  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:21:10  

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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