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JPL Small-Body Database Browser
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108440 (2001 KP44)
Classification: Main-belt Asteroid          SPK-ID: 2108440
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2223998582598692 4.057e-08  
a 2.736354348191829 1.6372e-08 au
q 2.127789529005189 1.1676e-07 au
i 11.20768336540922 4.4592e-06 deg
node 106.1913641939063 2.2942e-05 deg
peri 202.0018662871131 2.5476e-05 deg
M 29.60609747815576 1.0525e-05 deg
tp 2458864.532348817192
(2020-Jan-16.03234882)
4.7949e-05 TDB
period 1653.320045369924
4.53
1.4838e-05
4.062e-08
d
yr
n .2177436855061244 1.9542e-09 deg/d
Q 3.344919167378468 2.0013e-08 au
  Orbit Determination Parameters
   # obs. used (total)      660  
   data-arc span      7086 days (19.40 yr)  
   first obs. used      2000-03-03  
   last obs. used      2019-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56561  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:07:35  

Additional Information
 Earth MOID = 1.11706 au 
 Jupiter MOID = 1.9269 au 
 T_jup = 3.289 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457021.5 (2014-Dec-30.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2224194830979159 4.0559e-08  
q 2.127952337974954 1.1677e-07 au
tp 2457212.945741222407
(2015-Jul-09.44574122)
4.5986e-05 TDB
node 106.2189223420611 2.2959e-05 deg
peri 202.4191152477628 2.5501e-05 deg
i 11.20334895822181 4.4576e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      660  
   data-arc span      7086 days (19.40 yr)  
   first obs. used      2000-03-03  
   last obs. used      2019-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56561  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:07:35  

Additional Information
 Jupiter MOID = 1.9269 au 
 T_jup = 3.289 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.645034726752421E-15 -4.712730396350962E-15 1.389325452518899E-13 3.614053022976062E-15 9.130577070216308E-14 -3.78572666942166E-15
q -4.712730396350962E-15 1.363596288495363E-14 -3.910387399626457E-13 -8.30321609535134E-15 -2.657682243706359E-13 1.158405451658061E-14
tp 1.389325452518899E-13 -3.910387399626457E-13 2.114745361539999E-9 1.428496870128382E-11 5.2742232929231E-10 3.047533672545087E-12
node 3.614053022976062E-15 -8.30321609535134E-15 1.428496870128382E-11 5.271173166630029E-10 -5.129646369021349E-10 -1.501455060006538E-11
peri 9.130577070216308E-14 -2.657682243706359E-13 5.2742232929231E-10 -5.129646369021349E-10 6.503116058421325E-10 1.530858515186005E-11
i -3.78572666942166E-15 1.158405451658061E-14 3.047533672545087E-12 -1.501455060006538E-11 1.530858515186005E-11 1.987035723354182E-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 15.4   n/a MPO474955  
diameter diameter 4.405 km 0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108440 (2001 KP44)          Discovered 2001-May-22 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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