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393213 (2013 EY)
Classification: Main-belt Asteroid          SPK-ID: 2393213
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08007934621876865 5.891e-08  
a 3.048930274373891 5.5385e-08 au
q 2.804773931335419 1.8127e-07 au
i 17.59317702749578 7.0916e-06 deg
node 37.00050632791013 2.0366e-05 deg
peri 55.46257349118861 5.5062e-05 deg
M 166.6605227423289 5.5025e-05 deg
tp 2458100.277414293790
(2017-Dec-12.77741429)
0.00028424 TDB
period 1944.552468224827
5.32
5.2985e-05
1.451e-07
d
yr
n .1851325720866984 5.0445e-09 deg/d
Q 3.293086617412362 5.982e-08 au
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      4625 days (12.66 yr)  
   first obs. used      2006-10-04  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54048  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:42  

Additional Information
 Earth MOID = 1.85537 au 
 Jupiter MOID = 2.00627 au 
 T_jup = 3.161 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457070.5 (2015-Feb-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08215469008081316 5.8976e-08  
q 2.796180820003961 1.8209e-07 au
tp 2456156.951287978415
(2012-Aug-17.45128798)
0.00025465 TDB
node 37.04014323303792 2.0353e-05 deg
peri 55.09025173203447 5.3802e-05 deg
i 17.60586279199469 7.0947e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      4625 days (12.66 yr)  
   first obs. used      2006-10-04  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54048  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:42  

Additional Information
 Jupiter MOID = 2.00627 au 
 T_jup = 3.161 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.478151484608183E-15 -1.030347225320401E-14 -7.29984350906539E-13 4.802519119643344E-15 -2.875736979208931E-13 -1.445947011702929E-14
q -1.030347225320401E-14 3.315679933005794E-14 6.477884009376566E-12 -1.043865239705159E-14 1.895494221361023E-12 4.417750547580581E-14
tp -7.29984350906539E-13 6.477884009376566E-12 6.484669895984745E-8 6.318924323119047E-11 1.266936208118772E-8 -1.537856105553433E-11
node 4.802519119643344E-15 -1.043865239705159E-14 6.318924323119047E-11 4.142546999057869E-10 -3.822040444365081E-10 -3.891319324607126E-11
peri -2.875736979208931E-13 1.895494221361023E-12 1.266936208118772E-8 -3.822040444365081E-10 2.894614304044999E-9 3.455428681416387E-11
i -1.445947011702929E-14 4.417750547580581E-14 -1.537856105553433E-11 -3.891319324607126E-11 3.455428681416387E-11 5.03353755754196E-11

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 15.7   n/a MPO434461  
diameter diameter 4.765 km 1.992 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.103   0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

393213 (2013 EY)          Discovered 2006-Oct-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

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Alternate Designations
 2013 EY = 2010 HB100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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