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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 ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04293296619090056 6.0305e-08  
a 3.122039483790419 2.6237e-08 au
q 2.988001068186188 1.9318e-07 au
i 14.50186618533575 7.5907e-06 deg
node 1.052590758038122 2.1076e-05 deg
peri 316.6938020811954 8.1414e-05 deg
M 298.9823267830571 8.1199e-05 deg
tp 2459738.014506241027
(2022-Jun-07.51450624)
0.00045525 TDB
period 2014.911676648975
5.52
2.5399e-05
6.954e-08
d
yr
n .1786678811642606 2.2522e-09 deg/d
Q 3.25607789939465 2.7363e-08 au
  Orbit Determination Parameters
   # obs. used (total)      722  
   data-arc span      8553 days (23.42 yr)  
   first obs. used      1998-01-29  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59747  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 17:14:18  

Additional Information
 Earth MOID = 1.99221 au 
 Jupiter MOID = 1.93141 au 
 T_jup = 3.165 
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Orbital Elements at Epoch 2456989.5 (2014-Nov-28.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04103162675251341 6.0147e-08  
q 2.995110454275102 1.921e-07 au
tp 2457719.934454816491
(2016-Nov-27.43445482)
0.00047202 TDB
node 1.08010772156596 2.1079e-05 deg
peri 316.3535282284497 8.4989e-05 deg
i 14.4992454695357 7.589e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      722  
   data-arc span      8553 days (23.42 yr)  
   first obs. used      1998-01-29  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59747  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 17:14:18  

Additional Information
 Jupiter MOID = 1.93141 au 
 T_jup = 3.165 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.617706402894578E-15 -1.145531516396306E-14 1.033841231571269E-11 2.700768954830728E-15 1.79008082621185E-12 2.0916431644332E-15
q -1.145531516396306E-14 3.69012528113804E-14 -3.06369581739477E-11 -3.695858757491163E-15 -5.352762508733379E-12 -3.523459236967021E-15
tp 1.033841231571269E-11 -3.06369581739477E-11 2.228027120468571E-7 5.875236567239319E-11 3.888146938938253E-8 -2.329891706573258E-11
node 2.700768954830728E-15 -3.695858757491163E-15 5.875236567239319E-11 4.44319498946628E-10 -4.190620377553338E-10 -6.264882451087165E-12
peri 1.79008082621185E-12 -5.352762508733379E-12 3.888146938938253E-8 -4.190620377553338E-10 7.223112983388638E-9 1.963897316836495E-12
i 2.0916431644332E-15 -3.523459236967021E-15 -2.329891706573258E-11 -6.264882451087165E-12 1.963897316836495E-12 5.759239924631906E-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 14.35   n/a MPO614063  
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

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