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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1403646892984243 7.8636e-08  
a 2.439917043332266 2.7925e-08 au
q 2.097438845631002 1.8001e-07 au
i 3.147376785288007 7.014e-06 deg
node 68.44215808927034 0.00014502 deg
peri 71.58897867964141 0.00014989 deg
M 60.65735472556884 3.9069e-05 deg
tp 2458365.946464355391
(2018-Sep-04.44646436)
0.0001486 TDB
period 1392.069819300342
3.81
2.3898e-05
6.543e-08
d
yr
n .2586077185273199 4.4396e-09 deg/d
Q 2.78239524103353 3.1844e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   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      .69549  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:57:33  

Additional Information
 Earth MOID = 1.1136 au 
 Jupiter MOID = 2.23986 au 
 T_jup = 3.487 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457471.5 (2016-Mar-24.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .140863288989938 7.8554e-08  
q 2.095897484331876 1.7984e-07 au
tp 2456973.390153284504
(2014-Nov-11.89015328)
0.00013497 TDB
node 68.44900359975027 0.00014504 deg
peri 71.4290040457243 0.00014989 deg
i 3.147493861168298 7.0142e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      109  
   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      .69549  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:57:33  

Additional Information
 Jupiter MOID = 2.23986 au 
 T_jup = 3.487 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.170713653538024E-15 -1.403641800809012E-14 5.343574637563733E-12 -3.459705371446202E-14 1.365276406022178E-12 -9.579616381051245E-15
q -1.403641800809012E-14 3.234098150314071E-14 -1.143540523032115E-11 7.252815338490083E-14 -2.856955842923328E-12 2.173319045961127E-14
tp 5.343574637563733E-12 -1.143540523032115E-11 1.821619958864181E-8 -4.978665919526302E-11 5.157990442861685E-9 -1.967603370906927E-11
node -3.459705371446202E-14 7.252815338490083E-14 -4.978665919526302E-11 2.103576677337854E-8 -2.101758155418871E-8 -3.854403128723587E-10
peri 1.365276406022178E-12 -2.856955842923328E-12 5.157990442861685E-9 -2.101758155418871E-8 2.246573209556435E-8 3.796375674756767E-10
i -9.579616381051245E-15 2.173319045961127E-14 -1.967603370906927E-11 -3.854403128723587E-10 3.796375674756767E-10 4.919854885053923E-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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