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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1746781028738235 5.3775e-08  
a 3.091735673644634 3.7225e-08 au
q 2.551677151585066 1.6047e-07 au
i 12.22807566034698 4.8661e-06 deg
node 297.7962563284965 2.8462e-05 deg
peri 290.7265089386328 3.1632e-05 deg
M 119.8080231072678 1.4914e-05 deg
tp 2457939.676674995826
(2017-Jul-05.17667500)
8.2053e-05 TDB
period 1985.6466272589
5.44
3.5861e-05
9.818e-08
d
yr
n .1813011414306706 3.2744e-09 deg/d
Q 3.631794195704201 4.3728e-08 au
  Orbit Determination Parameters
   # obs. used (total)      555  
   data-arc span      10833 days (29.66 yr)  
   first obs. used      1990-03-04  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54635  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 18:40:47  

Additional Information
 Earth MOID = 1.57248 au 
 Jupiter MOID = 1.63938 au 
 T_jup = 3.167 
[ 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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