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379646 (2011 EL18)
Classification: Main-belt Asteroid          SPK-ID: 2379646
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1411258844449915 7.8948e-08  
a 2.440678472363663 2.7907e-08 au
q 2.096235564305491 1.8088e-07 au
i 3.144509915382191 6.9968e-06 deg
node 68.41267662592742 0.00014432 deg
peri 71.95519011997629 0.00014911 deg
M 163.6099556440399 3.9726e-05 deg
tp 2458367.546932691385
(2018-Sep-06.04693269)
0.0001471 TDB
period 1392.7215085056
3.81
2.3887e-05
6.54e-08
d
yr
n .2584867095118554 4.4334e-09 deg/d
Q 2.785121380421836 3.1846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      7494 days (20.52 yr)  
   first obs. used      1998-11-23  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68672  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:12:33  

Additional Information
 Earth MOID = 1.11189 au 
 Jupiter MOID = 2.23495 au 
 T_jup = 3.486 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457485.5 (2016-Apr-07.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1408554887430452 7.8437e-08  
q 2.095933376606413 1.7942e-07 au
tp 2456973.390929859908
(2014-Nov-11.89092986)
0.00013498 TDB
node 68.44884762935877 0.0001441 deg
peri 71.43114329279923 0.00014899 deg
i 3.147480872539639 7.0063e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      7494 days (20.52 yr)  
   first obs. used      1998-11-23  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68672  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:12:33  

Additional Information
 Jupiter MOID = 2.23495 au 
 T_jup = 3.486 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.152329061714713E-15 -1.398411965218381E-14 5.345610449818909E-12 -3.575035318086964E-14 1.365934555542449E-12 -9.585222254211536E-15
q -1.398411965218381E-14 3.219229659465067E-14 -1.144067398064495E-11 7.468264827446057E-14 -2.857565825383361E-12 2.172509148743668E-14
tp 5.345610449818909E-12 -1.144067398064495E-11 1.82182568192055E-8 -5.462758895559414E-11 5.163430107676686E-9 -1.977673973588205E-11
node -3.575035318086964E-14 7.468264827446057E-14 -5.462758895559414E-11 2.076354921339055E-8 -2.07471557992352E-8 -3.909297812557507E-10
peri 1.365934555542449E-12 -2.857565825383361E-12 5.163430107676686E-9 -2.07471557992352E-8 2.219721227389151E-8 3.850910961679629E-10
i -9.585222254211536E-15 2.172509148743668E-14 -1.977673973588205E-11 -3.909297812557507E-10 3.850910961679629E-10 4.908771157639235E-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 17.9   n/a MPO427886  

379646 (2011 EL18)          Discovered 2006-Nov-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2011 EL18 = 2006 YQ13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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