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19788 Hunker (2000 QV116)
Classification: Main-belt Asteroid          SPK-ID: 2019788
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1833398302411249 3.385e-08  
a 2.619099376642753 1.0954e-08 au
q 2.138914141544435 9.1655e-08 au
i 9.711507535066039 3.7805e-06 deg
node 130.8714043837406 3.2647e-05 deg
peri 314.5584008982706 3.6453e-05 deg
M 221.7101980170264 1.6913e-05 deg
tp 2459795.222058077986
(2022-Aug-03.72205808)
7.4478e-05 TDB
period 1548.197609932473
4.24
9.7125e-06
2.659e-08
d
yr
n .2325284561159488 1.4587e-09 deg/d
Q 3.099284611741072 1.2962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1550  
   data-arc span      17722 days (48.52 yr)  
   first obs. used      1972-01-14  
   last obs. used      2020-07-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52448  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:07:10  

Additional Information
 Earth MOID = 1.16732 au 
 Jupiter MOID = 2.13669 au 
 T_jup = 3.362 
[ 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 14.21   n/a E2021B10  
diameter diameter 8.782 km 0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19788 Hunker           Discovered 2000 Aug. 28 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Roxanne Hunker mentored a finalist in the 2003 Discovery Channel Youth Science Challenge, a middle school science competition. She teaches at the Rhoades School for the Gifted, Encinitas, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20031010/MPCPages.arcLast Updated: 2003-10-10

Alternate Designations
 2000 QV116 = 1972 AH = 1975 XQ4 = 1989 CS4 = 1991 PS30 = 1998 FB78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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