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385190 (1996 XK2)
Classification: Main-belt Asteroid          SPK-ID: 2385190
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2023969576188126 5.3434e-08  
a 3.141083572797733 2.8785e-08 au
q 2.505337814037042 1.5925e-07 au
i 15.41479717839585 7.2464e-06 deg
node 232.0573652996699 1.9395e-05 deg
peri 235.2770332974736 2.6235e-05 deg
M 116.0953999573183 1.7047e-05 deg
tp 2458740.762266159297
(2019-Sep-14.26226616)
9.3685e-05 TDB
period 2033.37586389677
5.57
2.7951e-05
7.653e-08
d
yr
n .1770454771259527 2.4337e-09 deg/d
Q 3.776829331558424 3.4611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      9030 days (24.72 yr)  
   first obs. used      1996-11-08  
   last obs. used      2021-07-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57313  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 20:32:33  

Additional Information
 Earth MOID = 1.55727 au 
 Jupiter MOID = 1.67862 au 
 T_jup = 3.124 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458157.5 (2018-Feb-08.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2028424364459582 5.3345e-08  
q 2.504975391890256 1.5916e-07 au
tp 2458741.753860221139
(2019-Sep-15.25386022)
9.3547e-05 TDB
node 232.0697161781602 1.9397e-05 deg
peri 235.5465008198148 2.6215e-05 deg
i 15.41321230988552 7.2459e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      9030 days (24.72 yr)  
   first obs. used      1996-11-08  
   last obs. used      2021-07-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57313  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 20:32:33  

Additional Information
 Jupiter MOID = 1.67862 au 
 T_jup = 3.124 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.845700861916584E-15 -8.418699321646895E-15 -6.156423189200485E-13 2.327918915441536E-15 -2.352728193325313E-13 -1.064182152219446E-14
q -8.418699321646895E-15 2.533232629658294E-14 2.44921657344054E-12 -4.860878693166651E-15 7.784675826813371E-13 3.134568630675961E-14
tp -6.156423189200485E-13 2.44921657344054E-12 8.750976946895176E-9 1.381700473404932E-11 1.654232349906632E-9 -1.479855052553416E-11
node 2.327918915441536E-15 -4.860878693166651E-15 1.381700473404932E-11 3.762286344876993E-10 -3.595451334573497E-10 -1.582928628134012E-11
peri -2.352728193325313E-13 7.784675826813371E-13 1.654232349906632E-9 -3.595451334573497E-10 6.872150069095643E-10 1.280398720629515E-11
i -1.064182152219446E-14 3.134568630675961E-14 -1.479855052553416E-11 -1.582928628134012E-11 1.280398720629515E-11 5.250276459545668E-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 15.96   n/a MPO639049  

385190 (1996 XK2)          Discovered 1996-Dec-04 by Comba, P. G. at Prescott
Reference: Last Updated: 2014-02-19

[ 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
1950-Jul-31 13:00 00:05 Jupiter 1.92004297516279 1.92004144891105 1.9200445013997 1.50224785079386 1.17237077658096 2433494.041514934 5.0301807638551 1344.37733204224 128.826841547265 8.61290101994871 289243.189829529 T 18 CATAB v2.0g-lin.ifort 2021-Aug-25 20:32:34 2021-Aug-25 20:32
1960-Sep-19 19:52 00:03 Jupiter 1.69138365603951 1.69138263735203 1.69138467473286 3.47064868081717 3.32322565905594 2437197.327940631 2.63586671567726 289.783075558261 40.3623830437841 -82.5998006291709 1338921.38775502 T 18 CATAB v2.0g-lin.ifort 2021-Aug-25 20:32:34 2021-Aug-25 20:32
1971-May-25 03:44 00:02 Jupiter 1.8793290998201 1.87932780039854 1.87933039925246 4.47259761875002 4.37066585348862 2441096.655493309 1.86117346033834 272.501024856905 29.7861836442554 78.3977940274205 2031856.28034732 T 18 CATAB v2.0g-lin.ifort 2021-Aug-25 20:32:34 2021-Aug-25 20:32
2046-Feb-04 16:07 00:02 Jupiter 1.94669464948758 1.94669373607357 1.94669556290136 3.34851413754094 3.21594944473847 2468381.171731267 1.6125431471536 138.090108666614 35.5117324691703 -83.1318230491562 952574.236722443 T 18 CATAB v2.0g-lin.ifort 2021-Aug-25 20:32:34 2021-Aug-25 20:32
2056-Feb-04 15:00 00:02 Jupiter 1.75820680535121 1.7582058041976 1.75820780650573 2.64424374085578 2.45530399352993 2472033.125211295 2.2243404486302 221.654386939867 64.2527234124892 -80.1293632839198 756239.779677487 T 18 CATAB v2.0g-lin.ifort 2021-Aug-25 20:32:34 2021-Aug-25 20:32
2066-Sep-05 10:13 00:02 Jupiter 1.79099122421405 1.79098980372854 1.79099264471768 4.18135583776063 4.06667758207365 2475898.926040884 2.26402639089048 339.760167820472 30.0509941710721 80.2588693968714 1730669.65226039 T 18 CATAB v2.0g-lin.ifort 2021-Aug-25 20:32:34 2021-Aug-25 20:32
2141-Jun-25 23:59 00:06 Jupiter 1.9565557262014 1.95655413693291 1.95655731552238 4.59858777185392 4.50346303441342 2503220.498972230 5.92645518301829 602.610387644455 36.3165427749084 85.7389376412694 1493536.785477 T 18 CATAB v2.0g-lin.ifort 2021-Aug-25 20:32:34 2021-Aug-25 20:32
2151-Aug-23 05:27 00:11 Jupiter 1.82506136700989 1.82505962381964 1.82506332263381 0.991513439229715 0.234278176990096 2506930.727187542 10.5307637073688 296411.428258706 2379.04599191891 24.5579807987252 3489545.15429406 T 18 CATAB v2.0g-lin.ifort 2021-Aug-25 20:32:34 2021-Aug-25 20:32
2161-Dec-24 05:44 00:07 Jupiter 1.74578210643429 1.74578042636904 1.74578378662784 3.74768917694459 3.61591062434485 2510706.738844992 6.54674550537187 855.989272883956 32.2917043978257 86.6599927058121 1413334.90408372 T 18 CATAB v2.0g-lin.ifort 2021-Aug-25 20:32:34 2021-Aug-25 20:32

Alternate Designations
 1996 XK2 = 1996 VQ20 = 2007 TF44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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