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JPL Small-Body Database Browser
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19806 Domatthews (2000 SX11)
Classification: Main-belt Asteroid          SPK-ID: 2019806
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1543934759192517 3.8257e-08  
a 2.204151438446041 8.7016e-09 au
q 1.863844836411938 8.6809e-08 au
i 2.505039550053633 3.7323e-06 deg
node 312.4684997751867 0.00010275 deg
peri 321.0815729026865 0.00010423 deg
M 42.49729059654549 2.0309e-05 deg
tp 2458859.402501758606
(2020-Jan-10.90250176)
6.71e-05 TDB
period 1195.255006939924
3.27
7.078e-06
1.938e-08
d
yr
n .3011909575025896 1.7836e-09 deg/d
Q 2.544458040480144 1.0045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1673  
   data-arc span      9547 days (26.14 yr)  
   first obs. used      1993-03-21  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48603  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:46:28  

Additional Information
 Earth MOID = .848343 au 
 Jupiter MOID = 2.55878 au 
 T_jup = 3.646 
[ 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 14.8   n/a MPO474026  
diameter diameter 2.231 km 0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.563   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19806 Domatthews           Discovered 2000 Sept. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Donna Matthews mentored a finalist in the 2003 Discovery Channel Youth Science Challenge, a middle school science competition. She teaches at the Takoma Park Middle School, Silver Spring, Maryland.
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 SX11 = 1993 FR68 = 1997 SE34 = 1998 YM13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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