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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2219474799695523 1.6028e-07  
a 3.099235627387878 1.0579e-07 au
q 2.411368090057284 5.2693e-07 au
i 13.42866767114866 9.7233e-06 deg
node 266.659984270821 4.5401e-05 deg
peri 289.4723510977433 5.4004e-05 deg
M 310.8647948696931 4.2226e-05 deg
tp 2459272.501058040232
(2021-Feb-27.00105804)
0.00024368 TDB
period 1992.876200166414
5.46
0.00010203
2.793e-07
d
yr
n .1806434338319352 9.2489e-09 deg/d
Q 3.787103164718472 1.2927e-07 au
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      4075 days (11.16 yr)  
   first obs. used      2008-12-04  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56057  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:11:32  

Additional Information
 Earth MOID = 1.44849 au 
 Jupiter MOID = 1.51907 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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