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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08656908480921791 0.00028156  
a 45.3464511196842 0.020927 au
q 41.4208503469072 0.0082629 au
i 1.706485372029585 0.00023349 deg
node 184.4470445900301 0.0074721 deg
peri 348.8703531615693 0.15265 deg
M 60.09798343471873 0.16493 deg
tp 2440380.881343825189
(1969-Jun-08.38134383)
38.742 TDB
period 111535.567969666
305.37
77.21
0.2114
d
yr
n .003227669940210535 2.2343e-06 deg/d
Q 49.2720518924612 0.022739 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .29015  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 10:22:20  

Additional Information
 Earth MOID = 40.4264 au 
 Jupiter MOID = 35.9743 au 
 T_jup = 5.994 
[ hide covariance matrix ]
Orbital Elements at Epoch 2454925.5 (2009-Apr-04.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08636844545284918 0.00027522  
q 41.29467890534865 0.0085473 au
tp 2439913.479266848655
(1968-Feb-26.97926685)
39.725 TDB
node 184.5289513952602 0.0074622 deg
peri 346.8795191438617 0.1574 deg
i 1.708217511994078 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .29015  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 10:22:20  

Additional Information
 Jupiter MOID = 35.9743 au 
 T_jup = 5.994 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.574339220366367E-8 1.477763319638616E-6 .008609893922305161 1.530230963852744E-8 3.313224726841972E-5 1.740145972964009E-9
q 1.477763319638616E-6 7.30565010589596E-5 .3307395627538843 -1.804709081179145E-7 .001318741632950366 3.110216855702733E-8
tp .008609893922305161 .3307395627538843 1578.10829932312 -2.387165014926004E-5 6.242012603253173 .0001872280594265904
node 1.530230963852744E-8 -1.804709081179145E-7 -2.387165014926004E-5 5.568400373745114E-5 -5.624101968824918E-5 1.682149646126936E-6
peri 3.313224726841972E-5 .001318741632950366 6.242012603253173 -5.624101968824918E-5 .02477487526380309 -9.634753350117758E-7
i 1.740145972964009E-9 3.110216855702733E-8 .0001872280594265904 1.682149646126936E-6 -9.634753350117758E-7 5.472528980690492E-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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