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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1541318474918303 2.7796e-08  
a 2.204090635070166 6.4103e-09 au
q 1.86437007344736 6.0277e-08 au
i 2.505069536807913 3.1159e-06 deg
node 312.4705937980451 9.4663e-05 deg
peri 321.0608450902166 9.5953e-05 deg
M 161.8199861201987 1.7276e-05 deg
tp 2458859.255151758330
(2020-Jan-10.75515176)
5.6996e-05 TDB
period 1195.205549105281
3.27
5.2142e-06
1.428e-08
d
yr
n .301203420842124 1.314e-09 deg/d
Q 2.543811196692972 7.3984e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2204  
   data-arc span      10208 days (27.95 yr)  
   first obs. used      1993-03-21  
   last obs. used      2021-03-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46071  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:16:52  

Additional Information
 Earth MOID = .848727 au 
 Jupiter MOID = 2.55712 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 14.81   n/a MPCxxxxx  
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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