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JPL Small-Body Database Browser
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18900 (2000 LD12)
Classification: Main-belt Asteroid          SPK-ID: 2018900
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1531720692951136 4.1609e-08  
a 3.102304723082045 2.3389e-08 au
q 2.627118289063564 1.2631e-07 au
i 16.41840398135163 4.8885e-06 deg
node 259.7227718757988 1.637e-05 deg
peri 9.516613489423005 2.498e-05 deg
M 185.0225580355074 2.2442e-05 deg
tp 2459570.573565774991
(2021-Dec-22.07356578)
0.00013024 TDB
period 1995.837176256489
5.46
2.257e-05
6.179e-08
d
yr
n .1803754355729747 2.0398e-09 deg/d
Q 3.577491157100526 2.6971e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1334  
   data-arc span      24991 days (68.42 yr)  
   first obs. used      1951-07-06  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47246  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:32:47  

Additional Information
 Earth MOID = 1.61212 au 
 Jupiter MOID = 1.5261 au 
 T_jup = 3.141 
[ 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 12.9   n/a MPO435875  
diameter diameter 7.816 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.264   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18900 (2000 LD12)          Discovered 2000-Jun-04 by LINEAR at Socorro
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

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