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136457 (2005 EK202)
Classification: Main-belt Asteroid          SPK-ID: 2136457
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2255069380203072 6.126e-08  
a 2.975376064210311 4.2166e-08 au
q 2.304408118511331 1.8119e-07 au
i 25.72432819268077 7.0725e-06 deg
node 95.11004816526152 1.917e-05 deg
peri 181.6374058947896 3.0047e-05 deg
M 275.7762831660169 3.0003e-05 deg
tp 2459439.074247271682
(2021-Aug-12.57424727)
0.0001623 TDB
period 1874.611272843998
5.13
3.985e-05
1.091e-07
d
yr
n .1920398139150413 4.0823e-09 deg/d
Q 3.646344009909291 5.1675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      337  
   data-arc span      7276 days (19.92 yr)  
   first obs. used      2000-03-04  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61994  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:40:27  

Additional Information
 Earth MOID = 1.28809 au 
 Jupiter MOID = 1.50792 au 
 T_jup = 3.076 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456916.5 (2014-Sep-16.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2245082597202552 6.1088e-08  
q 2.310756377892149 1.8056e-07 au
tp 2457561.259715463821
(2016-Jun-21.75971546)
0.00013966 TDB
node 95.19119986625194 1.9143e-05 deg
peri 181.0104013798558 3.0102e-05 deg
i 25.73418980416325 7.0723e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      337  
   data-arc span      7276 days (19.92 yr)  
   first obs. used      2000-03-04  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61994  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:40:27  

Additional Information
 Jupiter MOID = 1.50792 au 
 T_jup = 3.076 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.731693912465355E-15 -1.084758342579679E-14 1.860685575562943E-12 -1.156554589266565E-14 3.687428863236435E-13 1.389749194729216E-14
q -1.084758342579679E-14 3.260228608080286E-14 -3.206911303069319E-12 -1.070669906041641E-15 -7.568250458681636E-13 -4.311323472907941E-14
tp 1.860685575562943E-12 -3.206911303069319E-12 1.950448573426893E-8 -1.31067642800378E-10 3.343612263188088E-9 1.604086416798069E-11
node -1.156554589266565E-14 -1.070669906041641E-15 -1.31067642800378E-10 3.664721706460329E-10 -3.526094200481316E-10 2.377072476454578E-11
peri 3.687428863236435E-13 -7.568250458681636E-13 3.343612263188088E-9 -3.526094200481316E-10 9.061579172077741E-10 -1.834780079615517E-11
i 1.389749194729216E-14 -4.311323472907941E-14 1.604086416798069E-11 2.377072476454578E-11 -1.834780079615517E-11 5.001755938332397E-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 14.4   n/a MPO251233  

136457 (2005 EK202)          Discovered 2005-Mar-08 by CSS at Catalina
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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