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JPL Small-Body Database Browser
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390730 (2003 JK18)
Classification: Main-belt Asteroid          SPK-ID: 2390730
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07166237283599348 1.7527e-07  
a 3.16360263701013 6.7118e-08 au
q 2.936891365331777 5.8543e-07 au
i 4.623566676622733 1.3385e-05 deg
node 233.2880696481485 0.00010199 deg
peri 299.0732936228279 0.00015126 deg
M 342.1827912010759 0.00010202 deg
tp 2458702.220500623234
(2019-Aug-06.72050062)		 0.00058219 TDB
period 2055.2815335798
5.63		 6.5406e-05
1.791e-07		 d
yr
n .175158485160409 5.5742e-09 deg/d
Q 3.390313908688482 7.1928e-08 au
   Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      5778 days (15.82 yr)  
   first obs. used      2003-05-03  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71226  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:39:49  

Additional Information
 Earth MOID = 1.94583 au 
 Jupiter MOID = 1.60981 au 
 T_jup = 3.195 
[ 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 16.2   n/a MPO434440  

390730 (2003 JK18)          Discovered 2003-May-03 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2003 JK18 = 2008 CT103 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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