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20343 Vaccariello (1998 HC100)
Classification: Main-belt Asteroid          SPK-ID: 2020343
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08957540301351849 6.378e-08  
a 2.51471050519188 9.7599e-09 au
q 2.289454298226989 1.5944e-07 au
i 4.427255616116462 3.0313e-06 deg
node 126.5065273950212 7.1855e-05 deg
peri 101.8408413167915 7.4779e-05 deg
M 187.044626237522 2.1606e-05 deg
tp 2459700.280732124968
(2022-Apr-30.78073213)
8.8292e-05 TDB
period 1456.566847763602
3.99
8.4797e-06
2.322e-08
d
yr
n .2471565246406234 1.4389e-09 deg/d
Q 2.739966712156772 1.0634e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1548  
   data-arc span      8862 days (24.26 yr)  
   first obs. used      1995-08-25  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50207  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:43:16  

Additional Information
 Earth MOID = 1.28427 au 
 Jupiter MOID = 2.24735 au 
 T_jup = 3.450 
[ 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 14.3   n/a MPO502320  
diameter diameter 3.761 km 0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.289   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20343 Vaccariello           Discovered 1998 Apr. 21 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Michael Vaccariello mentored a finalist in the 2004 Intel Science Talent Search, a science competition for high school seniors. He teaches at the Sachem North High School, Lake Ronkonkoma, New York.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040415/MPCPages.arcLast Updated: 2004-04-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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