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JPL Small-Body Database Browser
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390819 (2004 LE2)
Classification: Mars-crossing Asteroid          SPK-ID: 2390819
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3942983975571797 9.1813e-08  
a 2.281770465602693 2.6335e-08 au
q 1.382072027422252 1.9561e-07 au
i 6.495770937181526 8.1174e-06 deg
node 55.42501643408398 6.4265e-05 deg
peri 251.9816412572769 7.3083e-05 deg
M 99.84608481286047 3.959e-05 deg
tp 2458251.331628238099
(2018-May-12.83162824)
0.00013253 TDB
period 1258.943844116497
3.45
2.1795e-05
5.967e-08
d
yr
n .2859539777587469 4.9505e-09 deg/d
Q 3.181468903783135 3.6719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      7854 days (21.50 yr)  
   first obs. used      1997-06-03  
   last obs. used      2018-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58076  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:35:25  

Additional Information
 Earth MOID = .387543 au 
 Jupiter MOID = 2.13677 au 
 T_jup = 3.490 
[ 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 18.0   n/a MPO455776  

390819 (2004 LE2)          Discovered 2004-Jun-11 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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