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18732 (1998 KP19)
Classification: Outer Main-belt Asteroid          SPK-ID: 2018732
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1024274948572977 3.9107e-08  
a 3.251550918528669 2.1862e-08 au
q 2.918502703542833 1.2621e-07 au
i 22.86939103713741 4.821e-06 deg
node 216.815455014216 1.0779e-05 deg
peri 78.59932812070905 2.5068e-05 deg
M 216.0004464303458 2.3627e-05 deg
tp 2459857.129272316019
(2022-Oct-04.62927232)
0.00014358 TDB
period 2141.579820138795
5.86
2.1599e-05
5.913e-08
d
yr
n .1681002018298195 1.6954e-09 deg/d
Q 3.584599133514506 2.4102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1680  
   data-arc span      10230 days (28.01 yr)  
   first obs. used      1992-04-25  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48391  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:52:47  

Additional Information
 Earth MOID = 2.00437 au 
 Jupiter MOID = 1.6615 au 
 T_jup = 3.049 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457004.5 (2014-Dec-13.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1010408103070107 3.9181e-08  
q 2.92347348640677 1.2603e-07 au
tp 2457711.624899782660
(2016-Nov-19.12489978)
0.00013864 TDB
node 216.8561995713477 1.0779e-05 deg
peri 77.90315163715104 2.5316e-05 deg
i 22.86408021449999 4.8211e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1680  
   data-arc span      10230 days (28.01 yr)  
   first obs. used      1992-04-25  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48391  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:52:47  

Additional Information
 Jupiter MOID = 1.6615 au 
 T_jup = 3.049 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.535132563178393E-15 -4.878993153755527E-15 -6.876994907191692E-13 3.077330344650594E-15 -1.436481251847942E-13 -4.130197681944138E-16
q -4.878993153755527E-15 1.588393214120747E-14 2.881349468903591E-12 -1.100584326915743E-14 5.453264807464788E-13 5.069592646141658E-15
tp -6.876994907191692E-13 2.881349468903591E-12 1.922028181198676E-8 -6.09631032969288E-12 3.192892821319698E-9 -2.503660383505146E-13
node 3.077330344650594E-15 -1.100584326915743E-14 -6.09631032969288E-12 1.161780062445968E-10 -1.078323862501838E-10 8.011404753185673E-12
peri -1.436481251847942E-13 5.453264807464788E-13 3.192892821319698E-9 -1.078323862501838E-10 6.408862211315269E-10 -7.314064666163635E-12
i -4.130197681944138E-16 5.069592646141658E-15 -2.503660383505146E-13 8.011404753185673E-12 -7.314064666163635E-12 2.32434629418876E-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 12.7   n/a MPO337416  
diameter diameter 15.835 km 0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18732 (1998 KP19)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KP19 = 1992 HN6 = 2000 SY276 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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