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JPL Small-Body Database Browser
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172860 (2005 EC79)
Classification: Main-belt Asteroid          SPK-ID: 2172860
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1228727434965087 5.6561e-08  
a 2.403096032923968 1.8614e-08 au
q 2.107821030473024 1.4056e-07 au
i 5.313947572802721 5.1871e-06 deg
node 64.51035621956159 5.9278e-05 deg
peri 127.6506300002662 6.3076e-05 deg
M 15.90122354696773 2.4501e-05 deg
tp 2458940.398797835720
(2020-Mar-31.89879784)
9.2282e-05 TDB
period 1360.677228090846
3.73
1.5809e-05
4.328e-08
d
yr
n .2645741345323409 3.074e-09 deg/d
Q 2.698371035374912 2.0901e-08 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      6942 days (19.01 yr)  
   first obs. used      2001-01-04  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .531  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 21:47:38  

Additional Information
 Earth MOID = 1.11179 au 
 Jupiter MOID = 2.26365 au 
 T_jup = 3.508 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO412969  

172860 (2005 EC79)          Discovered 2005-Mar-03 by CSS at Catalina
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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