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455209 (2001 KT76)
Classification: TransNeptunian Object          SPK-ID: 2455209
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08552041475033183 0.00027868  
a 45.2714662667173 0.020845 au
q 41.39983169523198 0.008392 au
i 1.707345268453819 0.00023381 deg
node 184.494651327581 0.0074697 deg
peri 347.9944047792279 0.15644 deg
M 61.62472327497988 0.16933 deg
tp 2440155.203009923505
(1968-Oct-25.70300992)
39.686 TDB
period 111259.0296890023
304.61
76.843
0.2104
d
yr
n .003235692428796951 2.2348e-06 deg/d
Q 49.14310083820262 0.022628 au
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      5132 days (14.05 yr)  
   first obs. used      2001-05-24  
   last obs. used      2015-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .28046  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:29:13  

Additional Information
 Earth MOID = 40.4052 au 
 Jupiter MOID = 35.9536 au 
 T_jup = 5.990 
[ hide covariance matrix ]
Orbital Elements at Epoch 2454925.5 (2009-Apr-04.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08639362219443995 0.00027525  
q 41.29491660927498 0.0085463 au
tp 2439915.257116394179
(1968-Feb-28.75711639)
39.71 TDB
node 184.5275891067903 0.0074625 deg
peri 346.8875096972199 0.15734 deg
i 1.708176516021606 0.00023393 deg
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      5132 days (14.05 yr)  
   first obs. used      2001-05-24  
   last obs. used      2015-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .28046  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:29:13  

Additional Information
 Jupiter MOID = 35.9536 au 
 T_jup = 5.990 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.576062536155899E-8 1.477839140635583E-6 .008607525944289584 1.530366033591997E-8 3.312313924518138E-5 1.740286093109597E-9
q 1.477839140635583E-6 7.303901144429068E-5 .3305785139237176 -1.804574069789956E-7 .001318104504655825 3.109673564472486E-8
tp .008607525944289584 .3305785139237176 1576.907931355806 -2.407606852449423E-5 6.237294109080861 .0001871387695115397
node 1.530366033591997E-8 -1.804574069789956E-7 -2.407606852449423E-5 5.568952161227896E-5 -5.624724729966402E-5 1.682199134044778E-6
peri 3.312313924518138E-5 .001318104504655825 6.237294109080861 -5.624724729966402E-5 .0247563198615755 -9.638704101909547E-7
i 1.740286093109597E-9 3.109673564472486E-8 .0001871387695115397 1.682199134044778E-6 -9.638704101909547E-7 5.472305690897824E-8

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.1   n/a MPO361372  

455209 (2001 KT76)          Discovered 2001-May-24 by Buie, M. W. at Cerro Tololo
Reference: Last Updated: 2016-02-25
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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