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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1024274943054895 3.9078e-08  
a 3.25155091834483 2.1851e-08 au
q 2.918502705172056 1.2614e-07 au
i 22.8693911448168 4.8145e-06 deg
node 216.8154551206456 1.0775e-05 deg
peri 78.59932803240693 2.5049e-05 deg
M 216.0004464802687 2.3617e-05 deg
tp 2459857.129271946387
(2022-Oct-04.62927195)
0.00014353 TDB
period 2141.579819957172
5.86
2.1588e-05
5.91e-08
d
yr
n .1681002018440758 1.6945e-09 deg/d
Q 3.584599131517605 2.4089e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1693  
   data-arc span      10430 days (28.56 yr)  
   first obs. used      1992-04-25  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48258  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 20:34:19  

Additional Information
 Earth MOID = 2.00437 au 
 Jupiter MOID = 1.6615 au 
 T_jup = 3.049 
[ show covariance matrix ]

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)  
rotation period rot_per 31.3126 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2013-Jan-16 17:01 < 00:01 Jupiter 1.90898495830335 1.90898436686799 1.90898554973871 6.02732710309353 5.95325674207541 2456309.209015331 0.276744527711873 77.3002214337895 29.0358136374824 88.2033847054231 3841800.62746287 T 29 CATAB v2.0f-lin.ifort 2020-Dec-17 20:34:24 2020-Dec-17 20:34
2024-Aug-30 05:36 < 00:01 Jupiter 1.80340311449282 1.80340255635177 1.80340367263398 6.23450206974486 6.15870570016853 2460552.733193619 0.338492285132581 80.9525960099202 27.1560840192641 86.7163081548845 4047986.05559937 T 29 CATAB v2.0f-lin.ifort 2020-Dec-17 20:34:24 2020-Dec-17 20:34
2036-Apr-19 00:27 < 00:01 Jupiter 1.73107267952554 1.73107212591764 1.73107323313394 6.38354422503581 6.30642742564203 2464802.518784385 0.605332405074301 118.39461099781 25.2266493457836 84.7294320616256 4210261.41128957 T 29 CATAB v2.0f-lin.ifort 2020-Dec-17 20:34:24 2020-Dec-17 20:34
2047-Dec-05 14:04 < 00:01 Jupiter 1.69263734210548 1.69263688253029 1.69263780168124 6.50741114663501 6.43005195755212 2469050.085848611 0.937731404689125 182.213052991647 21.8901661936924 88.1314216377371 4400131.96391961 T 29 CATAB v2.0f-lin.ifort 2020-Dec-17 20:34:24 2020-Dec-17 20:34
2059-Jul-13 21:05 00:01 Jupiter 1.70282874917504 1.70282826278567 1.70282923557041 6.61538855869951 6.53976483460837 2473288.378503214 1.35325624093354 266.475555750427 18.9928646669435 -86.8501460020739 4628496.40654131 T 29 CATAB v2.0f-lin.ifort 2020-Dec-17 20:34:24 2020-Dec-17 20:34
2071-Jan-31 01:39 00:02 Jupiter 1.77806582099683 1.77806465531686 1.77806698670198 6.70972694873985 6.6383499278336 2477507.568863864 1.88448067833775 357.227440985934 17.4897303876248 -81.0823154533522 4923885.5487304 T 29 CATAB v2.0f-lin.ifort 2020-Dec-17 20:34:24 2020-Dec-17 20:34
2082-Jul-22 10:20 00:03 Jupiter 1.94696581634354 1.94696353563416 1.94696809708324 6.76203031976365 6.69738450017409 2481697.930215396 2.54580945298384 406.446246284674 18.5621574485213 -73.9268997069442 5327274.19671628 T 29 CATAB v2.0f-lin.ifort 2020-Dec-17 20:34:24 2020-Dec-17 20:34

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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