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201154 (2002 KX4)
Classification: Main-belt Asteroid          SPK-ID: 2201154
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 .1536272930918428 4.4403e-08  
a 2.582550526645981 1.6664e-08 au
q 2.185800279964445 1.1565e-07 au
i 8.278729343415122 4.3432e-06 deg
node 85.97376285660084 3.4812e-05 deg
peri 118.4593506190597 3.8158e-05 deg
M 155.360696848979 1.8393e-05 deg
tp 2458346.300320131914
(2018-Aug-15.80032013)
7.4005e-05 TDB
period 1515.903890296297
4.15
1.4672e-05
4.017e-08
d
yr
n .2374820740974778 2.2986e-09 deg/d
Q 2.979300773327515 1.9224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      500  
   data-arc span      8721 days (23.88 yr)  
   first obs. used      1996-12-08  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56314  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:07:17  

Additional Information
 Earth MOID = 1.19534 au 
 Jupiter MOID = 2.02075 au 
 T_jup = 3.393 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457708.5 (2016-Nov-16.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1529078724423602 4.454e-08  
q 2.188791570990849 1.1598e-07 au
tp 2458347.136492577454
(2018-Aug-16.63649258)
7.4252e-05 TDB
node 85.98400628185934 3.4824e-05 deg
peri 118.7046043578016 3.8185e-05 deg
i 8.276258157820383 4.3418e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      500  
   data-arc span      8721 days (23.88 yr)  
   first obs. used      1996-12-08  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56314  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:07:17  

Additional Information
 Jupiter MOID = 2.02075 au 
 T_jup = 3.393 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.983792511308645E-15 -5.127226228718859E-15 -5.683283223578433E-13 1.606484082202789E-14 -1.349629286596113E-13 -1.163909292867014E-15
q -5.127226228718859E-15 1.345107075768028E-14 1.998525027278519E-12 -4.274971657718163E-14 4.44493077118843E-13 3.795761852240922E-15
tp -5.683283223578433E-13 1.998525027278519E-12 5.513426003327447E-9 1.019844023720831E-12 1.19147395163087E-9 6.722950284214728E-12
node 1.606484082202789E-14 -4.274971657718163E-14 1.019844023720831E-12 1.212695597975796E-9 -1.199407755917247E-9 -8.587309015742385E-12
peri -1.349629286596113E-13 4.44493077118843E-13 1.19147395163087E-9 -1.199407755917247E-9 1.458110887781232E-9 9.953419645537298E-12
i -1.163909292867014E-15 3.795761852240922E-15 6.722950284214728E-12 -8.587309015742385E-12 9.953419645537298E-12 1.885082183913755E-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 MPO494129  
diameter diameter 1.675 km 0.267 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.251   0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201154 (2002 KX4)          Discovered 2002-May-16 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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