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JPL Small-Body Database Browser
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379828 (2011 LA8)
Classification: Main-belt Asteroid          SPK-ID: 2379828
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05772284728881721 6.2941e-08  
a 3.13721868934322 4.8524e-08 au
q 2.956129494026638 2.1719e-07 au
i 11.17485680715102 6.6485e-06 deg
node 89.35010874894948 3.0537e-05 deg
peri 345.3543450364253 6.7377e-05 deg
M 28.53300739520985 5.6001e-05 deg
tp 2458839.635332584155
(2019-Dec-22.13533258)
0.0003168 TDB
period 2029.624128560193
5.56
4.7089e-05
1.289e-07
d
yr
n .1773727435214236 4.1152e-09 deg/d
Q 3.318307884659801 5.1325e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      5855 days (16.03 yr)  
   first obs. used      2004-01-17  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53762  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:14:08  

Additional Information
 Earth MOID = 1.97297 au 
 Jupiter MOID = 1.89815 au 
 T_jup = 3.180 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457334.5 (2015-Nov-08.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05632939967727733 6.3169e-08  
q 2.962589951025848 2.1919e-07 au
tp 2456821.016947807747
(2014-Jun-12.51694781)
0.00034107 TDB
node 89.42527212935818 3.055e-05 deg
peri 347.1925078786482 6.8479e-05 deg
i 11.17012317240383 6.6451e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      5855 days (16.03 yr)  
   first obs. used      2004-01-17  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53762  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:14:08  

Additional Information
 Jupiter MOID = 1.89815 au 
 T_jup = 3.180 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.990317944720656E-15 -1.357044603978633E-14 1.333715743240451E-12 1.116045761752117E-14 1.311665776405701E-13 -2.859992133966313E-15
q -1.357044603978633E-14 4.804491921799801E-14 -1.101552654208053E-11 -3.55208812103956E-14 -1.524751382150135E-12 9.990502484895249E-15
tp 1.333715743240451E-12 -1.101552654208053E-11 1.163278137347427E-7 -3.998195493013018E-11 2.09242019813694E-8 -2.19085428679477E-12
node 1.116045761752117E-14 -3.55208812103956E-14 -3.998195493013018E-11 9.332982634913207E-10 -9.228752549631455E-10 -1.728410946366149E-11
peri 1.311665776405701E-13 -1.524751382150135E-12 2.09242019813694E-8 -9.228752549631455E-10 4.689408714102892E-9 1.681550727119334E-11
i -2.859992133966313E-15 9.990502484895249E-15 -2.19085428679477E-12 -1.728410946366149E-11 1.681550727119334E-11 4.415796860284573E-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 15.5   n/a MPO455733  

379828 (2011 LA8)          Discovered 2008-Dec-21 by CSS at Catalina
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2011 LA8 = 2013 SF30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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