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172147 (2002 KU5)
Classification: Main-belt Asteroid          SPK-ID: 2172147
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 .1904740887428692 3.0236e-08  
a 2.559453984167508 1.6012e-08 au
q 2.071944318853896 7.529e-08 au
i 12.3507317860673 8.3529e-06 deg
node 251.2551451797024 1.7297e-05 deg
peri 69.99802961277145 3.0379e-05 deg
M 110.86187423145 2.4311e-05 deg
tp 2458539.926303743767
(2019-Feb-25.42630374)
9.9865e-05 TDB
period 1495.613634549278
4.09
1.4035e-05
3.843e-08
d
yr
n .2407038767793063 2.2587e-09 deg/d
Q 3.04696364948112 1.9062e-08 au
  Orbit Determination Parameters
   # obs. used (total)      835  
   data-arc span      7329 days (20.07 yr)  
   first obs. used      2000-01-05  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51482  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:44:27  

Additional Information
 Earth MOID = 1.09627 au 
 Jupiter MOID = 2.33059 au 
 T_jup = 3.378 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457343.5 (2015-Nov-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1918899844168519 3.0105e-08  
q 2.067359621464529 7.4972e-08 au
tp 2457045.262363454523
(2015-Jan-22.76236345)
9.6378e-05 TDB
node 251.3065190836398 1.7326e-05 deg
peri 70.01936276034105 3.0231e-05 deg
i 12.34389399231001 8.3501e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      835  
   data-arc span      7329 days (20.07 yr)  
   first obs. used      2000-01-05  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51482  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:44:27  

Additional Information
 Jupiter MOID = 2.33059 au 
 T_jup = 3.378 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.06334714594941E-16 -2.225456296290086E-15 -5.820574973054104E-13 3.685868656462649E-16 -1.446889320513416E-13 2.103161979137064E-15
q -2.225456296290086E-15 5.620869854167321E-15 1.610686938618645E-12 -1.982691953371576E-15 4.086391021791546E-13 -5.469409441741475E-15
tp -5.820574973054104E-13 1.610686938618645E-12 9.288714452110853E-9 -3.963456500814533E-11 2.396229439114189E-9 -1.328048924290475E-11
node 3.685868656462649E-16 -1.982691953371576E-15 -3.963456500814533E-11 3.001835482540625E-10 -3.027183367465609E-10 -5.580142761895755E-11
peri -1.446889320513416E-13 4.086391021791546E-13 2.396229439114189E-9 -3.027183367465609E-10 9.138834275299969E-10 5.109854848979223E-11
i 2.103161979137064E-15 -5.469409441741475E-15 -1.328048924290475E-11 -5.580142761895755E-11 5.109854848979223E-11 6.972482597361851E-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 15.1   n/a MPO449894  
diameter diameter 3.066 km 0.421 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.226   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172147 (2002 KU5)          Discovered 2002-May-16 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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