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JPL Small-Body Database Browser
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100917 (1998 KX51)
Classification: Main-belt Asteroid          SPK-ID: 2100917
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2043521072032263 4.3503e-08  
a 2.350184396098832 9.9398e-09 au
q 1.869919262439894 1.0081e-07 au
i 10.15985415390547 3.7571e-06 deg
node 155.8947780848839 2.5527e-05 deg
peri 44.97539979342051 2.6774e-05 deg
M 67.02111610670929 9.525e-06 deg
tp 2458755.503156116625
(2019-Sep-29.00315612)
3.4084e-05 TDB
period 1315.986198403308
3.60
8.3487e-06
2.286e-08
d
yr
n .2735590999638063 1.7355e-09 deg/d
Q 2.830449529757771 1.1971e-08 au
  Orbit Determination Parameters
   # obs. used (total)      653  
   data-arc span      7600 days (20.81 yr)  
   first obs. used      1998-05-19  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59586  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:32:55  

Additional Information
 Earth MOID = .883954 au 
 Jupiter MOID = 2.15385 au 
 T_jup = 3.509 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456968.5 (2014-Nov-07.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2045426647620597 4.3457e-08  
q 1.868444743319942 1.0059e-07 au
tp 2457439.573647965473
(2016-Feb-21.07364797)
3.1079e-05 TDB
node 155.9362091248028 2.5536e-05 deg
peri 44.85553622716441 2.6786e-05 deg
i 10.1592376439349 3.7571e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      653  
   data-arc span      7600 days (20.81 yr)  
   first obs. used      1998-05-19  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59586  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:32:55  

Additional Information
 Jupiter MOID = 2.15385 au 
 T_jup = 3.509 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.888547030826246E-15 -4.358803770338124E-15 4.717559268770346E-13 -9.357952730536722E-15 1.030299670228504E-13 -8.297070857946616E-15
q -4.358803770338124E-15 1.011933191674753E-14 -1.05029803511562E-12 2.207551318757544E-14 -2.34733901926328E-13 1.935620088785788E-14
tp 4.717559268770346E-13 -1.05029803511562E-12 9.659075954551143E-10 -2.101454244124743E-12 2.708107207679876E-10 -4.253318030742572E-12
node -9.357952730536722E-15 2.207551318757544E-14 -2.101454244124743E-12 6.520648306077285E-10 -6.424935444344953E-10 3.205284077903911E-11
peri 1.030299670228504E-13 -2.34733901926328E-13 2.708107207679876E-10 -6.424935444344953E-10 7.175020559795942E-10 -3.266122698704904E-11
i -8.297070857946616E-15 1.935620088785788E-14 -4.253318030742572E-12 3.205284077903911E-11 -3.266122698704904E-11 1.411577488907577E-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 15.9   n/a MPO422321  

100917 (1998 KX51)          Discovered 1998-May-23 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 KX51 = 2002 NF35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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