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530839 (2011 UK411)
Classification: TransNeptunian Object          SPK-ID: 2530839
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2310141313363653 1.89e-05  
a 42.24053434579092 0.001151 au
q 32.48237399671412 0.00021163 au
i 13.43770902573278 6.3004e-05 deg
node 219.2718300610527 2.2416e-05 deg
peri 209.8252846295478 0.002637 deg
M 346.9652116307701 0.0017046 deg
tp 2462631.230517818345
(2030-May-09.73051782)
0.42161 TDB
period 100274.9679849101
274.54
4.0984
0.01122
d
yr
n .003590128296567241 1.4674e-07 deg/d
Q 51.99869469486772 0.0014169 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      4293 days (11.75 yr)  
   first obs. used      2008-10-29  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .51855  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 03:29:07  

Additional Information
 Earth MOID = 31.5033 au 
 Jupiter MOID = 27.4542 au 
 T_jup = 5.516 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457135.5 (2015-Apr-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2336990768685487 1.8935e-05  
q 32.4243836149829 0.00021592 au
tp 2462799.464545621833
(2030-Oct-24.96454562)
0.41251 TDB
node 219.2817406694186 2.2418e-05 deg
peri 210.8764857097707 0.0025995 deg
i 13.43301288976618 6.3018e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      4293 days (11.75 yr)  
   first obs. used      2008-10-29  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .51855  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 03:29:07  

Additional Information
 Jupiter MOID = 27.4542 au 
 T_jup = 5.516 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.585504348908373E-10 1.162763134313011E-9 -1.199542057456202E-8 -1.591404566824354E-11 1.942347031132248E-9 1.906440869886996E-11
q 1.162763134313011E-9 4.66217379676845E-8 -8.474255621666486E-5 -9.159837138617838E-11 -5.279899093869195E-7 -6.758926944266897E-11
tp -1.199542057456202E-8 -8.474255621666486E-5 .1701624925080035 7.37629622257397E-8 .00107126040536222 2.615103843000996E-7
node -1.591404566824354E-11 -9.159837138617838E-11 7.37629622257397E-8 5.025478865787146E-10 -1.080506567656094E-10 -5.960815825863371E-10
peri 1.942347031132248E-9 -5.279899093869195E-7 .00107126040536222 -1.080506567656094E-10 6.757450245588793E-6 2.331211332376442E-9
i 1.906440869886996E-11 -6.758926944266897E-11 2.615103843000996E-7 -5.960815825863371E-10 2.331211332376442E-9 3.971279489914244E-9

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.9   n/a E2018X68  

530839 (2011 UK411)          Discovered 2010-Oct-07 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-05-29

Alternate Designations
 2011 UK411 = 2010 TO182 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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