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19818 Shotwell (2000 SB150)
Classification: Main-belt Asteroid          SPK-ID: 2019818
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1678007770309945 1.3103e-08  
a 2.364920829303839 6.5245e-09 au
q 1.968085276529871 3.267e-08 au
i 8.788914284035195 6.9883e-07 deg
node 205.9869246544217 4.525e-06 deg
peri 352.8023595440175 7.2475e-06 deg
M 82.13498828082787 7.8485e-06 deg
tp 2459093.425752724531
(2020-Aug-31.92575272)
2.8466e-05 TDB
period 1328.383083785459
3.64
5.4972e-06
1.505e-08
d
yr
n .2710061610948231 1.1215e-09 deg/d
Q 2.761756382077807 7.6193e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2581  
   data-arc span      25657 days (70.25 yr)  
   first obs. used      1951-03-28  
   last obs. used      2021-06-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45636  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:54:39  

Additional Information
 Earth MOID = .966691 au 
 Jupiter MOID = 2.19732 au 
 T_jup = 3.514 
[ 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 13.59   n/a E2021B10  
diameter diameter 3.759 km 0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.261   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19818 Shotwell           Discovered 2000 Sept. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Gary Shotwell mentored a finalist in the 2003 Discovery Channel Youth Science Challenge, a middle school science competition. He teaches at the Lawton Chiles Middle Academy, Lakeland, Florida.
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

Alternate Designations
 2000 SB150 = 1988 LM = 1999 NT58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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