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471325 (2011 KT19)
Classification: TransNeptunian Object          SPK-ID: 2471325
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3300817792099082 9.6454e-06  
a 35.64256908803535 0.00071593 au
q 23.87760646784456 0.00015991 au
i 110.1329734948246 2.8e-05 deg
node 243.7736849368039 1.0156e-05 deg
peri 322.9344338260262 0.0014611 deg
M 35.65026487032238 0.0016888 deg
tp 2451303.664812255210
(1999-May-05.16481226)
0.13625 TDB
period 77723.42443084541
212.80
2.3418
0.006411
d
yr
n .004631808269337268 1.3955e-07 deg/d
Q 47.40753170822614 0.00095224 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      3698 days (10.12 yr)  
   first obs. used      2010-05-10  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .44983  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:08:02  

Additional Information
 Earth MOID = 23.0259 au 
 Jupiter MOID = 19.1831 au 
 T_jup = -1.555 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457349.5 (2015-Nov-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3326614499920555 9.5621e-06  
q 23.77741493155074 0.0001614 au
tp 2451247.593137117089
(1999-Mar-10.09313712)
0.13498 TDB
node 243.7894592464773 1.0168e-05 deg
peri 322.1872544201873 0.0014633 deg
i 110.1866964757032 2.8023e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      3698 days (10.12 yr)  
   first obs. used      2010-05-10  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .44983  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:08:02  

Additional Information
 Jupiter MOID = 19.1831 au 
 T_jup = -1.555 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.143310692054976E-11 1.208188219688828E-9 1.139870173843356E-6 9.276349929661715E-12 1.176099447064598E-8 -1.300568931870114E-11
q 1.208188219688828E-9 2.604918770540604E-8 2.136886356641018E-5 1.942637626074097E-10 2.347737856053478E-7 -1.028628959159811E-10
tp 1.139870173843356E-6 2.136886356641018E-5 .01821859566108035 1.598881598746203E-7 .0001967546542586774 -1.179906186854707E-7
node 9.276349929661715E-12 1.942637626074097E-10 1.598881598746203E-7 1.033841861572877E-10 1.78796398635856E-9 2.528785642311853E-10
peri 1.176099447064598E-8 2.347737856053478E-7 .0001967546542586774 1.78796398635856E-9 2.1413458371418E-6 -1.034584536787251E-9
i -1.300568931870114E-11 -1.028628959159811E-10 -1.179906186854707E-7 2.528785642311853E-10 -1.034584536787251E-9 7.852995511843135E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.2   n/a MPO383371  

471325 (2011 KT19)          Discovered 2011-May-31 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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