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305491 (2008 EK24)
Classification: Main-belt Asteroid          SPK-ID: 2305491
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04023337271962274 7.0527e-08  
a 3.097956524252925 4.035e-08 au
q 2.973315284743471 2.1133e-07 au
i 11.17977222171805 9.4706e-06 deg
node 37.42865990424342 3.7856e-05 deg
peri 95.61127122846422 0.00014693 deg
M 124.007272943866 0.0001386 deg
tp 2458314.449537949879
(2018-Jul-14.94953795)
0.00076481 TDB
period 1991.642590590975
5.45
3.8911e-05
1.065e-07
d
yr
n .1807553231190834 3.5314e-09 deg/d
Q 3.22259776376238 4.1974e-08 au
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      6812 days (18.65 yr)  
   first obs. used      2000-10-02  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54269  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:47  

Additional Information
 Earth MOID = 2.01335 au 
 Jupiter MOID = 1.81191 au 
 T_jup = 3.192 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456730.5 (2014-Mar-14.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04164076086331372 7.0085e-08  
q 2.966174709188047 2.1086e-07 au
tp 2456310.240101279796
(2013-Jan-17.74010128)
0.00073481 TDB
node 37.4708768584664 3.7825e-05 deg
peri 92.82851954876183 0.00014249 deg
i 11.18818123941789 9.4764e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      6812 days (18.65 yr)  
   first obs. used      2000-10-02  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54269  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:47  

Additional Information
 Jupiter MOID = 1.81191 au 
 T_jup = 3.192 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.911880765712569E-15 -1.453279403328541E-14 4.565398276884106E-12 2.211647153367293E-14 6.791476120331811E-13 -2.003059172760514E-14
q -1.453279403328541E-14 4.44621894283609E-14 -1.163624099299576E-11 -7.829287446472667E-14 -1.602507847115922E-12 6.170482787779854E-14
tp 4.565398276884106E-12 -1.163624099299576E-11 5.399508873363079E-7 7.703037754285414E-11 1.009889137450852E-7 -2.598762493895542E-12
node 2.211647153367293E-14 -7.829287446472667E-14 7.703037754285414E-11 1.430699714208267E-9 -1.390122858381398E-9 -1.0731305048936E-10
peri 6.791476120331811E-13 -1.602507847115922E-12 1.009889137450852E-7 -1.390122858381398E-9 2.030420582468198E-8 1.054196257880576E-10
i -2.003059172760514E-14 6.170482787779854E-14 -2.598762493895542E-12 -1.0731305048936E-10 1.054196257880576E-10 8.980219843605691E-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 16.0   n/a MPO476360  

305491 (2008 EK24)          Discovered 2008-Mar-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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