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146324 (2001 LY18)
Classification: Main-belt Asteroid          SPK-ID: 2146324
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1637921227657783 6.0176e-08  
a 2.561397146911466 1.7228e-08 au
q 2.141860470972629 1.487e-07 au
i 11.47297921958763 5.0932e-06 deg
node 254.1256168554576 2.3384e-05 deg
peri 100.6826615631795 2.9548e-05 deg
M 184.3029835097919 2.1652e-05 deg
tp 2459731.261561389085
(2022-May-31.76156139)		 9.3901e-05 TDB
period 1497.317184749875
4.10		 1.5107e-05
4.136e-08		 d
yr
n .2404300195486888 2.4258e-09 deg/d
Q 2.980933822850303 2.005e-08 au
   Orbit Determination Parameters
   # obs. used (total)      574  
   data-arc span      6891 days (18.87 yr)  
   first obs. used      2001-06-15  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52454  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:53:41  

Additional Information
 Earth MOID = 1.17344 au 
 Jupiter MOID = 2.57562 au 
 T_jup = 3.388 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO417787  
diameter diameter 6.458 km 2.205 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.042   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

146324 (2001 LY18)          Discovered 2001-Jun-15 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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