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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09743762031244894 2.7562e-08  
a 2.339183601285421 6.959e-09 au
q 2.111259117702265 6.3637e-08 au
i 6.77776210338796 3.2666e-06 deg
node 132.5257474787393 2.5507e-05 deg
peri 140.6977643575719 3.1975e-05 deg
M 13.57098046192943 1.7872e-05 deg
tp 2458951.238955355008
(2020-Apr-11.73895535)
6.4929e-05 TDB
period 1306.757173657881
3.58
5.8313e-06
1.597e-08
d
yr
n .2754911220363047 1.2294e-09 deg/d
Q 2.567108084868577 7.6371e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2069  
   data-arc span      10762 days (29.46 yr)  
   first obs. used      1991-05-13  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48961  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:03:22  

Additional Information
 Earth MOID = 1.09983 au 
 Jupiter MOID = 2.52806 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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