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413320 (2003 UJ389)
Classification: Main-belt Asteroid          SPK-ID: 2413320
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1249519554324625 6.3743e-08  
a 3.102286242874943 3.6477e-08 au
q 2.714649510516492 2.0865e-07 au
i 7.254748295984501 7.4679e-06 deg
node 211.7198390969158 5.0948e-05 deg
peri 199.6996258798649 6.499e-05 deg
M 356.3973546150191 3.73e-05 deg
tp 2459020.472859289481
(2020-Jun-19.97285929)
0.00020692 TDB
period 1995.81934269432
5.46
3.5201e-05
9.638e-08
d
yr
n .1803770473103074 3.1814e-09 deg/d
Q 3.489922975233394 4.1035e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      9884 days (27.06 yr)  
   first obs. used      1992-10-23  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64147  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:04:26  

Additional Information
 Earth MOID = 1.72639 au 
 Jupiter MOID = 1.89378 au 
 T_jup = 3.197 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO495098  

413320 (2003 UJ389)          Discovered 2003-Oct-22 by Buie, M. W. at Kitt Peak
Reference: Last Updated: 2014-11-10

[ show close-approach data ]
Alternate Designations
 2003 UJ389 = 2008 SG199 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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