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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1676821242377002 1.3643e-08  
a 2.363994374547485 6.8456e-09 au
q 1.96759477613739 3.4374e-08 au
i 8.789558235283298 7.0029e-07 deg
node 206.0041623251183 4.5292e-06 deg
peri 352.6632061718962 7.2818e-06 deg
M 29.12167199994643 7.9451e-06 deg
tp 2459093.105537117894
(2020-Aug-31.60553712)
2.9102e-05 TDB
period 1327.602571639062
3.63
5.7666e-06
1.579e-08
d
yr
n .2711654885961414 1.1778e-09 deg/d
Q 2.760393972957581 7.9934e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2453  
   data-arc span      25555 days (69.97 yr)  
   first obs. used      1951-03-28  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46399  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:07:33  

Additional Information
 Earth MOID = .964747 au 
 Jupiter MOID = 2.19973 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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