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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2816270992206693 4.747e-08  
a 2.317846189425614 2.4702e-08 au
q 1.665077890657996 1.0772e-07 au
i 12.237379498702 6.1066e-06 deg
node 145.4739187002219 4.0909e-05 deg
peri 175.8016606045706 4.3535e-05 deg
M 151.2507916571041 2.0224e-05 deg
tp 2458458.972517137142
(2018-Dec-06.47251714)
6.7988e-05 TDB
period 1288.918171566292
3.53
2.0605e-05
5.641e-08
d
yr
n .2793039992310205 4.465e-09 deg/d
Q 2.970614488193232 3.1659e-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 = .652893 au 
 Jupiter MOID = 2.3767 au 
 T_jup = 3.497 
[ show covariance matrix ]

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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