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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2131194529615918 6.7174e-08  
a 2.421099088039709 1.9129e-08 AU
q 1.905115774830877 1.6716e-07 AU
i 5.154554937583359 6.2395e-06 deg
node 265.5151337746009 7.1958e-05 deg
peri 110.825383444887 7.3851e-05 deg
M 110.8470530883072 1.5084e-05 deg
tp 2456576.819062892253
(2013-Oct-11.31906289)
5.7846e-05 JED
period 1375.996322042756
3.77
1.6307e-05
4.465e-08
d
yr
n .2616286062927527 3.1006e-09 deg/d
Q 2.93708240124854 2.3205e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      824  
   data-arc span      12609 days (34.52 yr)  
   first obs. used      1979-09-14  
   last obs. used      2014-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53843  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:44:44  

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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