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19461 Feingold (1998 HZ16)
Classification: Main-belt Asteroid          SPK-ID: 2019461
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0934790306459834 8.1004e-08  
a 2.542962601070905 1.0586e-08 au
q 2.305248922153809 2.0866e-07 au
i 5.075158529653531 4.2935e-06 deg
node 304.1335174252025 5.972e-05 deg
peri 203.59397581 6.6264e-05 deg
M 297.2102200162722 2.7982e-05 deg
tp 2459654.841898670539
(2022-Mar-16.34189867)
0.00011543 TDB
period 1481.181866626957
4.06
9.2489e-06
2.532e-08
d
yr
n .2430491542674738 1.5177e-09 deg/d
Q 2.780676279988002 1.1576e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1583  
   data-arc span      10805 days (29.58 yr)  
   first obs. used      1991-08-03  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49812  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:54:20  

Additional Information
 Earth MOID = 1.31879 au 
 Jupiter MOID = 2.23048 au 
 T_jup = 3.433 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457309.5 (2015-Oct-14.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09184517832073567 8.0856e-08  
q 2.310254877479033 2.0788e-07 au
tp 2456689.692698447607
(2014-Feb-01.19269845)
0.0001173 TDB
node 304.2230181771901 5.9808e-05 deg
peri 203.1991492616 6.6787e-05 deg
i 5.0699198433303 4.29e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1583  
   data-arc span      10805 days (29.58 yr)  
   first obs. used      1991-08-03  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49812  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:54:20  

Additional Information
 Jupiter MOID = 2.23048 au 
 T_jup = 3.433 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.537680376476247E-15 -1.679102152404877E-14 7.096382991722498E-12 1.581105736648725E-13 1.850387525570734E-12 1.193617900397082E-14
q -1.679102152404877E-14 4.321291953429226E-14 -1.798007933353586E-11 -4.053890839765397E-13 -4.685151362448691E-12 -3.039300020074213E-14
tp 7.096382991722498E-12 -1.798007933353586E-11 1.375879663805823E-8 1.769191620574738E-10 3.533253950002378E-9 1.628807463915818E-11
node 1.581105736648725E-13 -4.053890839765397E-13 1.769191620574738E-10 3.577007612729179E-9 -3.512936296310774E-9 1.531427942192309E-10
peri 1.850387525570734E-12 -4.685151362448691E-12 3.533253950002378E-9 -3.512936296310774E-9 4.460490088505748E-9 -1.480520809834383E-10
i 1.193617900397082E-14 -3.039300020074213E-14 1.628807463915818E-11 1.531427942192309E-10 -1.480520809834383E-10 1.840402597547685E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.43   n/a E2021B10  
diameter diameter 3.460 km 0.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.338   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19461 Feingold           Discovered 1998 Apr. 18 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Samantha Megan Feingold (b. 1985) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for her medicine and health project. She attends the Spanish River Community High School, Boca Raton, Florida, 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: 20040830/MPCPages.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 HZ16 = 1991 PE25 = 2000 SG178 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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