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18336 (1988 LG)
Classification: Main-belt Asteroid          SPK-ID: 2018336
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1483306473562713 1.2421e-08  
a 2.433606768144115 8.1224e-09 au
q 2.072628300814695 2.9396e-08 au
i 15.20362877598519 5.7468e-07 deg
node 72.06147142917195 1.8613e-06 deg
peri 253.0372599104067 5.9075e-06 deg
M 151.6610101603936 5.5856e-06 deg
tp 2458616.321623737435
(2019-May-12.82162374)
2.0078e-05 TDB
period 1386.672917660972
3.80
6.9422e-06
1.901e-08
d
yr
n .2596142142930467 1.2997e-09 deg/d
Q 2.794585235473535 9.3272e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2471  
   data-arc span      15886 days (43.49 yr)  
   first obs. used      1977-09-16  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44583  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:26:49  

Additional Information
 Earth MOID = 1.11397 au 
 Jupiter MOID = 2.55091 au 
 T_jup = 3.443 
[ 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 13.60   n/a E2021B10  
diameter diameter 11.768 km 0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18336 (1988 LG)          Discovered 1988-Jun-15 by Helin, E. F. at Palomar
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1988 LG = 1999 GZ20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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