Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
160509 (1990 EG5)
Classification: Main-belt Asteroid          SPK-ID: 2160509
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1753627000047775 1.44e-07  
a 3.090460415063737 8.8988e-08 AU
q 2.548508932420275 4.6494e-07 AU
i 12.23683526111017 1.7722e-05 deg
node 297.8877267174591 9.468e-05 deg
peri 291.1562798105102 0.00012151 deg
M 152.8780981687408 8.3618e-05 deg
tp 2455957.794215001896
(2012-Jan-31.29421500)
0.00044476 JED
period 1984.418214468271
5.43
8.571e-05
2.347e-07
d
yr
n .1814133721285474 7.8356e-09 deg/d
Q 3.632411897707199 1.0459e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      8648 days (23.68 yr)  
   first obs. used      1990-03-04  
   last obs. used      2013-11-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63573  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Nov-22 15:25:18  

Additional Information
 Earth MOID = 1.5692 AU 
 T_jup = 3.167 
[ 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 14.4 mag n/a MPO270737  

160509 (1990 EG5)          Discovered 1990-Mar-04 by McNaught, R. H. at Siding Spring (413)
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-18 23:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin