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100918 (1998 KF52)
Classification: Main-belt Asteroid          SPK-ID: 2100918
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1894240539458005 3.2908e-08  
a 2.367526978699743 1.1017e-08 au
q 1.919060420568385 7.9454e-08 au
i 10.15674283398307 3.8098e-06 deg
node 114.1345787515471 3.0149e-05 deg
peri 154.4109808541317 3.3465e-05 deg
M 359.2238700794878 1.6391e-05 deg
tp 2459003.368618251288
(2020-Jun-02.86861825)
6.0592e-05 TDB
period 1330.579511458881
3.64
9.2877e-06
2.543e-08
d
yr
n .2705588030626497 1.8886e-09 deg/d
Q 2.815993536831101 1.3104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      8055 days (22.05 yr)  
   first obs. used      1998-05-23  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57746  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:13:55  

Additional Information
 Earth MOID = .908036 au 
 Jupiter MOID = 2.31252 au 
 T_jup = 3.502 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457243.5 (2015-Aug-09.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1892198235302615 3.2968e-08  
q 1.919863234363238 7.9685e-08 au
tp 2457672.113522002808
(2016-Oct-10.61352200)
5.7312e-05 TDB
node 114.1763364617445 3.0135e-05 deg
peri 154.172936374613 3.3443e-05 deg
i 10.15846634291124 3.8105e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      8055 days (22.05 yr)  
   first obs. used      1998-05-23  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57746  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:13:55  

Additional Information
 Jupiter MOID = 2.31252 au 
 T_jup = 3.502 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.086869479307125E-15 -2.610271263096701E-15 -4.726272690633024E-13 -7.958739162950264E-16 -1.122484026719201E-13 -7.828031318634506E-16
q -2.610271263096701E-15 6.349637251292609E-15 1.27188454596697E-12 1.945744042790086E-15 2.965625891917633E-13 2.148045966009793E-15
tp -4.726272690633024E-13 1.27188454596697E-12 3.284645694202809E-9 1.097097970127605E-11 8.645669207706223E-10 2.456516092963659E-12
node -7.958739162950264E-16 1.945744042790086E-15 1.097097970127605E-11 9.081211788096602E-10 -8.908360160330426E-10 2.072688247845529E-11
peri -1.122484026719201E-13 2.965625891917633E-13 8.645669207706223E-10 -8.908360160330426E-10 1.118405194366888E-9 -1.977730349845987E-11
i -7.828031318634506E-16 2.148045966009793E-15 2.456516092963659E-12 2.072688247845529E-11 -1.977730349845987E-11 1.451990459061809E-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 15.8   n/a MPO469016  

100918 (1998 KF52)          Discovered 1998-May-23 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 KF52 = 2002 PE124 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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