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JPL Small-Body Database Browser
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379495 (2010 EN143)
Classification: Main-belt Asteroid          SPK-ID: 2379495
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2222217262741399 1.6229e-07  
a 3.099396265527897 1.1236e-07 au
q 2.410643076994665 5.2904e-07 au
i 13.42898694128845 9.7843e-06 deg
node 266.6604504274959 4.6928e-05 deg
peri 289.4642278636181 5.539e-05 deg
M 238.6511217411996 3.9719e-05 deg
tp 2459272.311370912670
(2021-Feb-26.81137091)
0.00024426 TDB
period 1993.031142923001
5.46
0.00010837
2.967e-07
d
yr
n .180629390202112 9.8219e-09 deg/d
Q 3.788149454061129 1.3732e-07 au
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      3647 days (9.98 yr)  
   first obs. used      2008-12-04  
   last obs. used      2018-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56902  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:26:51  

Additional Information
 Earth MOID = 1.44807 au 
 Jupiter MOID = 1.51888 au 
 T_jup = 3.143 
[ 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 15.6   n/a MPO418930  
diameter diameter 2.996 km 0.513 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.164   0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

379495 (2010 EN143)          Discovered 2010-Mar-09 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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