Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1634552595116524 6.0296e-08  
a 2.562141805201841 1.77e-08 au
q 2.143346251526921 1.489e-07 au
i 11.47326695510139 6.1129e-06 deg
node 254.1298515648595 2.3476e-05 deg
peri 100.7245651089322 3.109e-05 deg
M 88.11782004904435 2.2375e-05 deg
tp 2458233.839256528227
(2018-Apr-25.33925653)		 9.185e-05 TDB
period 1497.970190097433
4.10		 1.5522e-05
4.25e-08		 d
yr
n .2403252096602699 2.4903e-09 deg/d
Q 2.980937358876762 2.0593e-08 au
   Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      6448 days (17.65 yr)  
   first obs. used      2001-06-15  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53881  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:12:56  

Additional Information
 Earth MOID = 1.17407 au 
 Jupiter MOID = 2.57282 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-14 16:45 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin