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160509 (1990 EG5)
Classification: Main-belt Asteroid          SPK-ID: 2160509
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1755346823856332 1.025e-07  
a 3.092249909106941 7.4566e-08 au
q 2.549452803454851 3.5337e-07 au
i 12.2320595641922 8.924e-06 deg
node 297.8826113634503 4.1861e-05 deg
peri 290.8548245093214 6.4384e-05 deg
M 298.3568935396797 6.439e-05 deg
tp 2457940.588793006593
(2017-Jul-06.08879301)
0.00036443 JED
period 1986.142044304387
5.44
7.184e-05
1.967e-07
d
yr
n .1812559182422846 6.5562e-09 deg/d
Q 3.635047014759031 8.7655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      9526 days (26.08 yr)  
   first obs. used      1990-03-04  
   last obs. used      2016-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61352  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 17:06:41  

Additional Information
 Earth MOID = 1.57001 au 
 Jupiter MOID = 1.63297 au 
 T_jup = 3.166 
[ 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 14.5 mag n/a MPO366950  

160509 (1990 EG5)          Discovered 1990-Mar-04 by McNaught, R. H. at Siding Spring
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 1990 EG5 = 2006 KC39 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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