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JPL Small-Body Database Browser
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20345 Davidvito (1998 HH114)
Classification: Main-belt Asteroid          SPK-ID: 2020345
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09703831334458483 2.9643e-08  
a 2.338150260956601 8.33e-09 au
q 2.111260103287172 7.0024e-08 au
i 6.776861552925941 3.3774e-06 deg
node 132.5374144635633 3.5768e-05 deg
peri 140.8703408800679 4.1879e-05 deg
M 263.1517937259084 2.2368e-05 deg
tp 2458951.814547753507
(2020-Apr-12.31454775)
8.1391e-05 TDB
period 1305.891374315479
3.58
6.9786e-06
1.911e-08
d
yr
n .2756737712496986 1.4732e-09 deg/d
Q 2.565040418626031 9.1383e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1648  
   data-arc span      10224 days (27.99 yr)  
   first obs. used      1991-05-13  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52269  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:51:46  

Additional Information
 Earth MOID = 1.09925 au 
 Jupiter MOID = 2.53021 au 
 T_jup = 3.550 
[ 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 14.5   n/a MPO474033  

20345 Davidvito           Discovered 1998 Apr. 23 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
David Vito mentored a finalist in the 2004 Intel Science Talent Search, a science competition for high school seniors. He teaches at the North Attleboro High School, North Attleboro, Massachusetts.
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

Alternate Designations
 1998 HH114 = 1991 JG5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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