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108441 (2001 KT44)
Classification: Main-belt Asteroid          SPK-ID: 2108441
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1935089614590574 5.5312e-08  
a 2.731005900051778 1.4811e-08 au
q 2.2025317845942 1.5175e-07 au
i 9.991421797977763 5.5657e-06 deg
node 211.7138227942535 2.5225e-05 deg
peri 22.87009812029933 2.8962e-05 deg
M 85.04456994052367 1.0784e-05 deg
tp 2458611.072628776758
(2019-May-07.57262878)
5.0095e-05 TDB
period 1648.475072993049
4.51
1.341e-05
3.671e-08
d
yr
n .2183836479531153 1.7766e-09 deg/d
Q 3.259480015509356 1.7677e-08 au
  Orbit Determination Parameters
   # obs. used (total)      701  
   data-arc span      7606 days (20.82 yr)  
   first obs. used      1998-10-27  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52233  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:07:36  

Additional Information
 Earth MOID = 1.19568 au 
 Jupiter MOID = 1.74236 au 
 T_jup = 3.305 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457208.5 (2015-Jul-05.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1924649184068132 5.5426e-08  
q 2.206601859012502 1.5193e-07 au
tp 2456961.782678127862
(2014-Oct-31.28267813)
5.5584e-05 TDB
node 211.7618233518851 2.5209e-05 deg
peri 22.96561209213941 2.8991e-05 deg
i 9.991513017031444 5.5663e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      701  
   data-arc span      7606 days (20.82 yr)  
   first obs. used      1998-10-27  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52233  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:07:36  

Additional Information
 Jupiter MOID = 1.74236 au 
 T_jup = 3.305 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.071999742813209E-15 -8.394917608924135E-15 -3.521457550406901E-13 3.147729410684793E-14 -1.974745810120811E-13 -6.461584252080523E-15
q -8.394917608924135E-15 2.308362671305394E-14 6.445073109077943E-13 -8.840159985223417E-14 4.695977334635108E-13 1.942203376225581E-14
tp -3.521457550406901E-13 6.445073109077943E-13 3.089583169288438E-9 -4.55946901986827E-13 8.037690018817866E-10 -6.095268185398671E-12
node 3.147729410684793E-14 -8.840159985223417E-14 -4.55946901986827E-13 6.35511549731887E-10 -6.266997500846798E-10 4.170411069706142E-11
peri -1.974745810120811E-13 4.695977334635108E-13 8.037690018817866E-10 -6.266997500846798E-10 8.404584641959771E-10 -4.230926801136946E-11
i -6.461584252080523E-15 1.942203376225581E-14 -6.095268185398671E-12 4.170411069706142E-11 -4.230926801136946E-11 3.098413097637546E-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 15.3   n/a MPO348160  
diameter diameter 2.429 km 0.630 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.273   0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108441 (2001 KT44)          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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