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JPL Small-Body Database Browser
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26474 Davidsimon (2000 AA175)
Classification: Main-belt Asteroid          SPK-ID: 2026474
[ 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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1523239849130883 4.2454e-08  
a 2.343060090928624 1.0985e-08 au
q 1.986155840987553 9.79e-08 au
i 8.17408560757101 4.8535e-06 deg
node 230.6495092190662 2.976e-05 deg
peri 308.299410707367 3.3231e-05 deg
M 181.7072315175332 1.5948e-05 deg
tp 2459649.290967462360
(2022-Mar-10.79096746)		 5.9717e-05 TDB
period 1310.006851508496
3.59		 9.2124e-06
2.522e-08		 d
yr
n .2748077230172145 1.9325e-09 deg/d
Q 2.699964340869694 1.2658e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1356  
   data-arc span      8544 days (23.39 yr)  
   first obs. used      1995-12-19  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49406  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:24:52  

Additional Information
 Earth MOID = 1. au 
 Jupiter MOID = 2.3028 au 
 T_jup = 3.534 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456097.5 (2012-Jun-19.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1520415661279046 4.2494e-08  
q 1.987250574494563 9.8038e-08 au
tp 2455718.685189607630
(2011-Jun-06.18518961)		 5.5066e-05 TDB
node 230.7238256385814 2.9726e-05 deg
peri 308.4973077492181 3.3206e-05 deg
i 8.177892874307901 4.8561e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1356  
   data-arc span      8544 days (23.39 yr)  
   first obs. used      1995-12-19  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49406  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:24:52  

Additional Information
 Jupiter MOID = 2.3028 au 
 T_jup = 3.534 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.805765017306764E-15 -4.147999768349512E-15 3.165685675565753E-13 1.846089961153699E-15 1.039589270714398E-13 1.676209393693846E-15
q -4.147999768349512E-15 9.611478056209418E-15 -7.834401569593121E-13 -4.459910658950141E-15 -2.471617722428615E-13 -3.523495603907955E-15
tp 3.165685675565753E-13 -7.834401569593121E-13 3.032257384643874E-9 -1.119615464356055E-11 8.293600011651247E-10 9.364266461931621E-13
node 1.846089961153699E-15 -4.459910658950141E-15 -1.119615464356055E-11 8.836452747427288E-10 -8.769043960290955E-10 -1.510280593996238E-11
peri 1.039589270714398E-13 -2.471617722428615E-13 8.293600011651247E-10 -8.769043960290955E-10 1.102620150919972E-9 1.527156693753081E-11
i 1.676209393693846E-15 -3.523495603907955E-15 9.364266461931621E-13 -1.510280593996238E-11 1.527156693753081E-11 2.358178916961517E-11

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO493021  
diameter diameter 4.556 km 0.278 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.257   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

26474 Davidsimon           Discovered 2000 Jan. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
David Szabolcs Simon (b. 1991) was awarded second place in the 2010 Intel International Science and Engineering Fair for his electrical- and mechanical-engineering team project. He attends the Szent Margit Secondary School, Budapest, Hungary.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110319/MPCPages.arcLast Updated: 2011-03-23

Alternate Designations
 2000 AA175 = 1998 QK73 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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