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18965 Lazenby (2000 QR142)
Classification: Main-belt Asteroid          SPK-ID: 2018965
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05535824757961812 3.141e-08  
a 2.275404257590564 8.1699e-09 au
q 2.149441865355148 7.1e-08 au
i 2.548785445051519 3.4005e-06 deg
node 91.05993236357288 8.8804e-05 deg
peri 193.1881549050292 9.602e-05 deg
M 38.69339569758269 3.7766e-05 deg
tp 2459065.752529792086
(2020-Aug-04.25252979)
0.00013136 TDB
period 1253.678784203466
3.43
6.752e-06
1.849e-08
d
yr
n .2871548952858197 1.5466e-09 deg/d
Q 2.40136664982598 8.6222e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1132  
   data-arc span      10802 days (29.57 yr)  
   first obs. used      1990-11-19  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51968  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:43:15  

Additional Information
 Earth MOID = 1.13117 au 
 Jupiter MOID = 2.65348 au 
 T_jup = 3.606 
[ 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 15.63   n/a E2021B10  
diameter diameter 2.142 km 0.389 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.610   0.234 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18965 Lazenby           Discovered 2000 Aug. 31 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Tanya Marie Lazenby (b. 1985) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for her botany team project. She attends the North Toole County High School, Sunburst, Montana, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040830/MPCPages.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2000 QR142 = 1993 QZ9 = 1997 WJ52 = 1999 GC44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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