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17962 Andrewherron (1999 JD37)
Classification: Main-belt Asteroid          SPK-ID: 2017962
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1027248656452255 3.3511e-08  
a 2.263901941492028 6.5921e-09 au
q 2.031342918718294 7.5036e-08 au
i 5.469996112436968 3.1545e-06 deg
node 228.9613616199738 3.768e-05 deg
peri 281.6392072728161 4.0583e-05 deg
M 133.4458308107146 1.5579e-05 deg
tp 2458539.302065255206
(2019-Feb-24.80206526)
5.3528e-05 TDB
period 1244.184666538079
3.41
5.4343e-06
1.488e-08
d
yr
n .2893461153171846 1.2638e-09 deg/d
Q 2.496460964265761 7.2693e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1881  
   data-arc span      13900 days (38.06 yr)  
   first obs. used      1982-07-11  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51824  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:16:50  

Additional Information
 Earth MOID = 1.05018 au 
 Jupiter MOID = 2.51743 au 
 T_jup = 3.605 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457231.5 (2015-Jul-28.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1031299565664153 3.3455e-08  
q 2.029670253533459 7.4964e-08 au
tp 2457295.281748192524
(2015-Sep-29.78174819)
5.2802e-05 TDB
node 229.0199345134022 3.767e-05 deg
peri 281.3782378088125 4.057e-05 deg
i 5.471078856431798 3.1554e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1881  
   data-arc span      13900 days (38.06 yr)  
   first obs. used      1982-07-11  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51824  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:16:50  

Additional Information
 Jupiter MOID = 2.51743 au 
 T_jup = 3.605 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.119238077636495E-15 -2.500437340224005E-15 1.0619569254858E-13 -1.093514543302261E-15 3.559436830932469E-14 -1.63816408384538E-16
q -2.500437340224005E-15 5.619615365477302E-15 -2.266144034850215E-13 2.977251372822626E-15 -7.79566265530399E-14 3.247229723175911E-16
tp 1.0619569254858E-13 -2.266144034850215E-13 2.788076936708588E-9 -5.627619553086797E-12 8.085211538468604E-10 -5.596484803366099E-14
node -1.093514543302261E-15 2.977251372822626E-15 -5.627619553086797E-12 1.419017064192371E-9 -1.413852112791125E-9 -9.8922481954167E-12
peri 3.559436830932469E-14 -7.79566265530399E-14 8.085211538468604E-10 -1.413852112791125E-9 1.645953723057629E-9 9.848659621455445E-12
i -1.63816408384538E-16 3.247229723175911E-16 -5.596484803366099E-14 -9.8922481954167E-12 9.848659621455445E-12 9.956280486192729E-12

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO431705  
diameter diameter 3.074 km 0.195 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.205   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17962 Andrewherron           Discovered 1999 May 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Andrew Jared Herron (b. 1984) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for his physics project. He attends the Dallastown Area High School, Dallastown, Pennsylvania, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040614/MPCPages.arcLast Updated: 2009-12-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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