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19817 Larashelton (2000 SK145)
Classification: Main-belt Asteroid          SPK-ID: 2019817
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1408632690119648 4.7902e-08  
a 2.62368986002226 9.8203e-09 au
q 2.25410832946598 1.2747e-07 au
i 2.116190571267223 4.4422e-06 deg
node 342.7363127746669 0.00011343 deg
peri 37.49755846688348 0.00011399 deg
M 270.2017060408692 1.2392e-05 deg
tp 2459587.697689525957
(2022-Jan-08.19768953)
5.4257e-05 TDB
period 1552.269671100706
4.25
8.7151e-06
2.386e-08
d
yr
n .231918465394435 1.3021e-09 deg/d
Q 2.993271390578539 1.1204e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1715  
   data-arc span      24425 days (66.87 yr)  
   first obs. used      1953-09-06  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4969  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:07:31  

Additional Information
 Earth MOID = 1.25559 au 
 Jupiter MOID = 2.47276 au 
 T_jup = 3.388 
[ 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 14.27   n/a E2021B10  
diameter diameter 4.363 km 0.242 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.147   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19817 Larashelton           Discovered 2000 Sept. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Lara Shelton mentored a finalist in the 2003 Discovery Channel Youth Science Challenge, a middle school science competition. She teaches at the Barstow School, Kansas City, Missouri.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20031010/MPCPages.arcLast Updated: 2003-10-10

[ show close-approach data ]
Alternate Designations
 2000 SK145 = 1953 RA2 = 1992 YK2 = 1998 FO28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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