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

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1742405714149763 5.373e-08  
a 3.092999846129404 3.6136e-08 au
q 2.554073785553383 1.6011e-07 au
i 12.228146434143 4.5391e-06 deg
node 297.7880183736812 2.8407e-05 deg
peri 290.7956023831812 3.1217e-05 deg
M 192.2416537477085 1.4879e-05 deg
tp 2459926.369781704984
(2022-Dec-12.86978171)
8.7278e-05 TDB
period 1986.864611269625
5.44
3.482e-05
9.533e-08
d
yr
n .1811900005456117 3.1753e-09 deg/d
Q 3.631925906705426 4.2433e-08 au
  Orbit Determination Parameters
   # obs. used (total)      575  
   data-arc span      10919 days (29.89 yr)  
   first obs. used      1990-03-04  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53829  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:20:52  

Additional Information
 Earth MOID = 1.57483 au 
 Jupiter MOID = 1.63932 au 
 T_jup = 3.166 
[ 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 14.4   n/a MPO417854  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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