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468861 (2013 LU28)
Classification: TransNeptunian Object          SPK-ID: 2468861
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .953936827687323 4.6636e-06  
a 189.7092662711474 0.019732 au
q 8.73861062155938 2.909e-05 au
i 125.3501084655517 5.9082e-06 deg
node 275.9749111114243 2.2226e-05 deg
peri 152.96094629865 0.0002518 deg
M 359.5166912398824 7.6389e-05 deg
tp 2460481.807621829524
(2024-Jun-20.30762183)
0.0027082 TDB
period 954401.786026886
2613.01
148.91
0.4077
d
yr
n .000377199629412532 5.8851e-08 deg/d
Q 370.6799219207354 0.038556 au
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      2883 days (7.89 yr)  
   first obs. used      2013-06-08  
   last obs. used      2021-04-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .42243  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:07:52  

Additional Information
 Earth MOID = 7.82331 au 
 Jupiter MOID = 3.85703 au 
 T_jup = -2.069 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458617.5 (2019-May-14.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9518141288530507 4.6504e-06  
q 8.730702116645556 2.912e-05 au
tp 2460484.674593772153
(2024-Jun-23.17459377)
0.0027123 TDB
node 275.9683499534619 2.2247e-05 deg
peri 153.0835802090924 0.00025249 deg
i 125.3507220676726 5.9095e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      2883 days (7.89 yr)  
   first obs. used      2013-06-08  
   last obs. used      2021-04-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .42243  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:07:52  

Additional Information
 Jupiter MOID = 3.85703 au 
 T_jup = -2.069 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.162652005089336E-11 1.119506047024062E-10 -1.217056995153077E-8 -2.591699714999655E-11 -1.061304309055894E-9 -1.540899388646823E-11
q 1.119506047024062E-10 8.479905341060834E-10 -5.557371438941926E-8 -2.231237209700983E-10 -7.236965849041296E-9 -1.141197458958905E-10
tp -1.217056995153077E-8 -5.557371438941926E-8 7.356699241503542E-6 1.173283979376287E-8 5.566544485035357E-7 7.506183395325541E-9
node -2.591699714999655E-11 -2.231237209700983E-10 1.173283979376287E-8 4.949383931476729E-10 2.090664472041379E-9 6.25370423118079E-11
peri -1.061304309055894E-9 -7.236965849041296E-9 5.566544485035357E-7 2.090664472041379E-9 6.375305564142109E-8 9.925581541821854E-10
i -1.540899388646823E-11 -1.141197458958905E-10 7.506183395325541E-9 6.25370423118079E-11 9.925581541821854E-10 3.492217429072018E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.39   n/a MPCxxxxx  

468861 (2013 LU28)          Discovered 2013-Jun-08 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-06-21

Alternate Designations
 2013 LU28 = 2014 LJ9 = 2015 KB157 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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