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52687 (1998 EO13)
Classification: Main-belt Asteroid          SPK-ID: 2052687
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04265880557440659 6.1981e-08  
a 3.12288327580388 2.6886e-08 au
q 2.989664805309797 1.9717e-07 au
i 14.50024658370509 7.7491e-06 deg
node 1.050145230605023 2.1211e-05 deg
peri 316.354185146096 8.3667e-05 deg
M 228.5602237843762 8.3673e-05 deg
tp 2459736.463650548673
(2022-Jun-05.96365055)
0.00047049 TDB
period 2015.728585560608
5.52
2.6031e-05
7.127e-08
d
yr
n .1785954729117848 2.3064e-09 deg/d
Q 3.256101746297964 2.8033e-08 au
  Orbit Determination Parameters
   # obs. used (total)      697  
   data-arc span      8119 days (22.23 yr)  
   first obs. used      1998-01-29  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6029  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:25:26  

Additional Information
 Earth MOID = 1.99478 au 
 Jupiter MOID = 1.93141 au 
 T_jup = 3.165 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456942.5 (2014-Oct-12.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04094761232636995 6.1891e-08  
q 2.995622914545756 1.964e-07 au
tp 2457719.753481080899
(2016-Nov-27.25348108)
0.00048462 TDB
node 1.080183934968795 2.1213e-05 deg
peri 316.300736544327 8.694e-05 deg
i 14.49859053463305 7.7478e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      697  
   data-arc span      8119 days (22.23 yr)  
   first obs. used      1998-01-29  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6029  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:25:26  

Additional Information
 Jupiter MOID = 1.93141 au 
 T_jup = 3.165 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.830499183851148E-15 -1.205215236206568E-14 1.182824679109914E-11 3.852725048347564E-15 2.033966881555236E-12 2.262406294349673E-15
q -1.205215236206568E-14 3.857426262775031E-14 -3.487700203520932E-11 -7.521709991821862E-15 -6.047229021037975E-12 -4.139451206125169E-15
tp 1.182824679109914E-11 -3.487700203520932E-11 2.348520046818062E-7 7.528420290382257E-11 4.087560022122223E-8 -3.122642943988389E-11
node 3.852725048347564E-15 -7.521709991821862E-15 7.528420290382257E-11 4.500053599998941E-10 -4.216906647760938E-10 -8.681713152668541E-12
peri 2.033966881555236E-12 -6.047229021037975E-12 4.087560022122223E-8 -4.216906647760938E-10 7.558642306969086E-9 2.915830120425279E-12
i 2.262406294349673E-15 -4.139451206125169E-15 -3.122642943988389E-11 -8.681713152668541E-12 2.915830120425279E-12 6.002913663874973E-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 14.3   n/a MPO250690  
diameter diameter 7.956 km 0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52687 (1998 EO13)          Discovered 1998-Mar-01 by Elst, E. W. at La Silla
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 EO13 = 2000 QJ201 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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