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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09729203020732143 2.7416e-08  
a 2.338261174826283 6.9444e-09 au
q 2.110766997972477 6.3226e-08 au
i 6.77888431184169 3.259e-06 deg
node 132.5261919695043 2.5343e-05 deg
peri 140.4564436333006 3.1821e-05 deg
M 68.90690139329334 1.7811e-05 deg
tp 2458950.524080269077
(2020-Apr-11.02408027)
6.4872e-05 TDB
period 1305.984295963295
3.58
5.8179e-06
1.593e-08
d
yr
n .2756541568782523 1.228e-09 deg/d
Q 2.565755351680089 7.62e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2142  
   data-arc span      10844 days (29.69 yr)  
   first obs. used      1991-05-13  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48639  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:17:32  

Additional Information
 Earth MOID = 1.09755 au 
 Jupiter MOID = 2.52758 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 14.49   n/a E2021B10  

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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