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JPL Small-Body Database Browser
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172853 (2005 EC39)
Classification: Main-belt Asteroid          SPK-ID: 2172853
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1313109499927364 6.7865e-08  
a 2.460792521183532 2.1195e-08 au
q 2.137663517491901 1.7132e-07 au
i 1.292091938416282 7.1816e-06 deg
node 341.9934341432237 0.00031659 deg
peri 89.28100553660624 0.00031788 deg
M 55.02451777792921 3.2313e-05 deg
tp 2458784.991368740603
(2019-Oct-28.49136874)
0.00012496 TDB
period 1409.973415241852
3.86
1.8216e-05
4.987e-08
d
yr
n .2553239629261019 3.2986e-09 deg/d
Q 2.783921524875162 2.3978e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      6910 days (18.92 yr)  
   first obs. used      2001-02-02  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60481  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 21:47:38  

Additional Information
 Earth MOID = 1.15266 au 
 Jupiter MOID = 2.46551 au 
 T_jup = 3.478 
[ 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 17.4   n/a MPO454186  

172853 (2005 EC39)          Discovered 2005-Mar-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

Alternate Designations
 2005 EC39 = 2007 TG292 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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