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19826 Patwalker (2000 SX192)
Classification: Main-belt Asteroid          SPK-ID: 2019826
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05848939766592633 4.0681e-08  
a 3.088453269582195 2.1092e-08 au
q 2.907811498124971 1.1806e-07 au
i 2.826405471407816 4.1649e-06 deg
node 227.5096459024955 8.1434e-05 deg
peri 279.3924244793683 8.849e-05 deg
M 181.244579692101 3.5728e-05 deg
tp 2460380.888876305088
(2024-Mar-11.38887630)
0.00019871 TDB
period 1982.485313505048
5.43
2.0309e-05
5.56e-08
d
yr
n .1815902481332977 1.8602e-09 deg/d
Q 3.269095041039418 2.2326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1162  
   data-arc span      9826 days (26.90 yr)  
   first obs. used      1994-08-10  
   last obs. used      2021-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54073  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:01:40  

Additional Information
 Earth MOID = 1.9218 au 
 Jupiter MOID = 1.73576 au 
 T_jup = 3.221 
[ 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 14.09   n/a E2021B10  
diameter diameter 8.257 km 0.163 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19826 Patwalker           Discovered 2000 Sept. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Pat Walker mentored a finalist in the 2003 Discovery Channel Youth Science Challenge, a middle school science competition. She teaches at the Arthur I. Meyer Jewish Academy, West Palm Beach, 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

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Alternate Designations
 2000 SX192 = 1994 PB13 = 1994 PY30 = 1998 KU30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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