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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1905444643367801 2.9663e-08  
a 2.559540892391021 1.5832e-08 au
q 2.07183454410229 7.4175e-08 au
i 12.34865775655351 5.574e-06 deg
node 251.2406370966251 1.5835e-05 deg
peri 70.0878509338183 2.3613e-05 deg
M 206.0671113340176 1.9328e-05 deg
tp 2460036.044037081163
(2023-Apr-01.54403708)
8.3643e-05 TDB
period 1495.689812258414
4.09
1.3878e-05
3.8e-08
d
yr
n .2406916173724675 2.2332e-09 deg/d
Q 3.047247240679752 1.8849e-08 au
  Orbit Determination Parameters
   # obs. used (total)      941  
   data-arc span      7767 days (21.26 yr)  
   first obs. used      2000-01-05  
   last obs. used      2021-04-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49947  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:23:52  

Additional Information
 Earth MOID = 1.09564 au 
 Jupiter MOID = 2.32952 au 
 T_jup = 3.378 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457717.5 (2016-Nov-25.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1917928527177063 2.9619e-08  
q 2.067389331986007 7.4073e-08 au
tp 2457045.013788619376
(2015-Jan-22.51378862)
7.0304e-05 TDB
node 251.3045456204742 1.5853e-05 deg
peri 69.96605771154005 2.3544e-05 deg
i 12.34434506365385 5.5731e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      941  
   data-arc span      7767 days (21.26 yr)  
   first obs. used      2000-01-05  
   last obs. used      2021-04-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49947  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:23:52  

Additional Information
 Jupiter MOID = 2.32952 au 
 T_jup = 3.378 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.773110043508066E-16 -2.162988917726409E-15 -2.342752864336235E-13 -2.386771553691628E-15 -4.964733871799935E-14 3.049816622397305E-15
q -2.162988917726409E-15 5.486795167090541E-15 8.741648629853846E-13 4.334148886821006E-15 2.069986003440117E-13 -7.729364014924082E-15
tp -2.342752864336235E-13 8.741648629853846E-13 4.942717078713778E-9 -2.540049373721222E-11 1.229939741765813E-9 -7.416006198357724E-12
node -2.386771553691628E-15 4.334148886821006E-15 -2.540049373721222E-11 2.513072410280501E-10 -2.512089421344102E-10 -1.264156961772698E-11
peri -4.964733871799935E-14 2.069986003440117E-13 1.229939741765813E-9 -2.512089421344102E-10 5.543389258338837E-10 1.051322075352883E-11
i 3.049816622397305E-15 -7.729364014924082E-15 -7.416006198357724E-12 -1.264156961772698E-11 1.051322075352883E-11 3.105894403768326E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.14   n/a MPCxxxxx  
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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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