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JPL Small-Body Database Browser
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390818 (2004 KX18)
Classification: Main-belt Asteroid          SPK-ID: 2390818
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .174398936575513 2.3519e-07  
a 3.045340715025546 1.3206e-07 au
q 2.514236532814979 6.201e-07 au
i 24.83860597714086 1.2198e-05 deg
node 140.0024289574986 3.3682e-05 deg
peri 180.2832453571466 6.0099e-05 deg
M 232.4007184752788 7.6944e-05 deg
tp 2459288.515129379528
(2021-Mar-15.01512938)
0.00045144 TDB
period 1941.119445321039
5.31
0.00012626
3.457e-07
d
yr
n .1854599936483868 1.2064e-08 deg/d
Q 3.576444897236114 1.5509e-07 au
  Orbit Determination Parameters
   # obs. used (total)      58  
   data-arc span      4633 days (12.68 yr)  
   first obs. used      2004-05-22  
   last obs. used      2017-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45226  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:43:48  

Additional Information
 Earth MOID = 1.50056 au 
 Jupiter MOID = 1.7701 au 
 T_jup = 3.076 
[ 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 MPO254729  

390818 (2004 KX18)          Discovered 2004-May-22 by Sloan Digital Sky Survey at Apache Point
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2004 KX18 = 2010 KP18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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