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180918 (2005 LJ11)
Classification: Main-belt Asteroid          SPK-ID: 2180918
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1058005619055338 3.9991e-08  
a 2.406545113461361 1.1762e-08 au
q 2.151931288206132 9.4389e-08 au
i 5.609234046952899 4.5586e-06 deg
node 267.7577070714954 4.4098e-05 deg
peri 352.0403712430909 4.9619e-05 deg
M 73.5433746406771 2.2047e-05 deg
tp 2458921.932471248843
(2020-Mar-13.43247125)
8.3546e-05 TDB
period 1363.607678331214
3.73
9.9967e-06
2.737e-08
d
yr
n .2640055535919018 1.9354e-09 deg/d
Q 2.661158938716589 1.3006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      441  
   data-arc span      7118 days (19.49 yr)  
   first obs. used      2001-06-08  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5462  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:29  

Additional Information
 Earth MOID = 1.13497 au 
 Jupiter MOID = 2.39301 au 
 T_jup = 3.508 
[ 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 16.44   n/a E2021B55  

180918 (2005 LJ11)          Discovered 2005-Jun-03 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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