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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1844217124923482 3.4997e-08  
a 2.617033402333945 1.1214e-08 au
q 2.134395620625842 9.4943e-08 au
i 9.707061159089848 3.9106e-06 deg
node 130.888252359118 3.3828e-05 deg
peri 314.4767804531369 3.7718e-05 deg
M 175.3069226430513 1.714e-05 deg
tp 2458247.475873646796
(2018-May-08.97587365)
7.1691e-05 TDB
period 1546.366118348486
4.23
9.9397e-06
2.721e-08
d
yr
n .2328038591433178 1.4964e-09 deg/d
Q 3.099671184042048 1.3283e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1459  
   data-arc span      17285 days (47.32 yr)  
   first obs. used      1972-01-14  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51981  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:46:18  

Additional Information
 Earth MOID = 1.16312 au 
 Jupiter MOID = 2.13715 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 14.2   n/a MPO435883  
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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