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JPL Small-Body Database Browser
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392493 (2011 LJ17)
Classification: Mars-crossing Asteroid          SPK-ID: 2392493
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2814769307965884 4.7443e-08  
a 2.317522582497108 2.462e-08 au
q 1.665193438924039 1.0762e-07 au
i 12.23610038210925 6.1062e-06 deg
node 145.4835005500778 4.0918e-05 deg
peri 175.7585370036787 4.355e-05 deg
M 39.57752840526579 1.9308e-05 deg
tp 2458458.829131135819
(2018-Dec-06.32913114)
6.8033e-05 TDB
period 1288.648251827655
3.53
2.0535e-05
5.622e-08
d
yr
n .2793625021330853 4.4517e-09 deg/d
Q 2.969851726070177 3.155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      5141 days (14.08 yr)  
   first obs. used      2004-06-10  
   last obs. used      2018-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57484  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:28:37  

Additional Information
 Earth MOID = .652126 au 
 Jupiter MOID = 2.37427 au 
 T_jup = 3.497 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457226.5 (2015-Jul-23.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2825241950884023 4.7646e-08  
q 1.662511028181664 1.0818e-07 au
tp 2457170.806027078907
(2015-May-28.30602708)
6.0903e-05 TDB
node 145.531103521905 4.0887e-05 deg
peri 175.8135228675487 4.3487e-05 deg
i 12.24334927443562 6.1117e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      5141 days (14.08 yr)  
   first obs. used      2004-06-10  
   last obs. used      2018-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57484  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:28:37  

Additional Information
 Jupiter MOID = 2.37427 au 
 T_jup = 3.497 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.270187968200427E-15 -5.088153201928859E-15 1.235492449202949E-12 5.636931222897233E-14 3.02733082356035E-13 -1.482337434760218E-15
q -5.088153201928859E-15 1.170261025809748E-14 -2.676328832043823E-12 -1.127857867077446E-13 -6.651941844983781E-13 6.843156462673089E-15
tp 1.235492449202949E-12 -2.676328832043823E-12 3.709126662310762E-9 1.576243956612001E-10 1.010684464558764E-9 3.270193090497626E-12
node 5.636931222897233E-14 -1.127857867077446E-13 1.576243956612001E-10 1.671715142530705E-9 -1.585568811161789E-9 9.897338821346134E-11
peri 3.02733082356035E-13 -6.651941844983781E-13 1.010684464558764E-9 -1.585568811161789E-9 1.891148574089318E-9 -9.581609137271095E-11
i -1.482337434760218E-15 6.843156462673089E-15 3.270193090497626E-12 9.897338821346134E-11 -9.581609137271095E-11 3.735309329845932E-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 17.4   n/a MPO450378  

392493 (2011 LJ17)          Discovered 2004-Jun-10 by CINEOS at Campo Imperatore
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2011 LJ17 = 2004 LO5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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