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JPL Small-Body Database Browser
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226690 (2004 JH20)
Classification: Main-belt Asteroid          SPK-ID: 2226690
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1930102419515186 7.9427e-08  
a 2.561952190845604 2.3033e-08 au
q 2.06746917862227 2.1427e-07 au
i 4.109129241379897 1.0934e-05 deg
node 199.5004590956565 5.6925e-05 deg
peri 42.14031283842441 6.7482e-05 deg
M 231.0430031489466 3.6424e-05 deg
tp 2459137.034148348185
(2020-Oct-14.53414835)
0.00015695 TDB
period 1497.803904571688
4.10
2.0199e-05
5.53e-08
d
yr
n .2403518904585482 3.2412e-09 deg/d
Q 3.056435203068936 2.7478e-08 au
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      5350 days (14.65 yr)  
   first obs. used      2004-05-14  
   last obs. used      2019-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55805  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:27:57  

Additional Information
 Earth MOID = 1.05709 au 
 Jupiter MOID = 1.96065 au 
 T_jup = 3.404 
[ 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 16.6   n/a MPO422879  

226690 (2004 JH20)          Discovered 2004-May-14 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 JH20 = 2005 SY58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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