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266460 (2007 LS18)
Classification: Main-belt Asteroid          SPK-ID: 2266460
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1872319569484093 7.9757e-08  
a 2.862396392700953 4.054e-08 au
q 2.326464314533486 2.5228e-07 au
i 16.40051499398514 6.2893e-06 deg
node 131.9609098391366 1.7644e-05 deg
peri 61.01386999123791 2.6503e-05 deg
M 284.7722980271918 2.359e-05 deg
tp 2459370.130998375245
(2021-Jun-04.63099838)
0.0001218 TDB
period 1768.858491293363
4.84
3.7579e-05
1.029e-07
d
yr
n .2035210853621046 4.3237e-09 deg/d
Q 3.39832847086842 4.8131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      6495 days (17.78 yr)  
   first obs. used      2002-04-09  
   last obs. used      2020-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56298  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:47:23  

Additional Information
 Earth MOID = 1.37685 au 
 Jupiter MOID = 1.75164 au 
 T_jup = 3.216 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457503.5 (2016-Apr-25.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1885041483941177 7.9641e-08  
q 2.322510124966632 2.5225e-07 au
tp 2457602.289855982233
(2016-Aug-01.78985598)
9.5749e-05 TDB
node 132.0042376744682 1.7638e-05 deg
peri 61.04976248861487 2.6412e-05 deg
i 16.40553854233052 6.2909e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      6495 days (17.78 yr)  
   first obs. used      2002-04-09  
   last obs. used      2020-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56298  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:47:23  

Additional Information
 Jupiter MOID = 1.75164 au 
 T_jup = 3.216 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.342649939004079E-15 -2.00007550409627E-14 -3.195648023622368E-12 -6.683681611031896E-15 -2.391699477642281E-13 -6.105275135333664E-15
q -2.00007550409627E-14 6.362955639988377E-14 1.098461086881307E-11 2.299486410278801E-14 9.347223426276601E-13 2.26059606869753E-14
tp -3.195648023622368E-12 1.098461086881307E-11 9.167795945970324E-9 -3.602852130981157E-12 1.829631529985642E-9 1.413071853642464E-11
node -6.683681611031896E-15 2.299486410278801E-14 -3.602852130981157E-12 3.111157403542572E-10 -2.993510340148279E-10 -1.333920184488917E-11
peri -2.391699477642281E-13 9.347223426276601E-13 1.829631529985642E-9 -2.993510340148279E-10 6.975840661592038E-10 1.538782069320762E-11
i -6.105275135333664E-15 2.26059606869753E-14 1.413071853642464E-11 -1.333920184488917E-11 1.538782069320762E-11 3.957539036783304E-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 15.9   n/a MPO494440  
diameter diameter 4.559 km 0.895 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

266460 (2007 LS18)          Discovered 2007-Jun-08 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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