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

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9539388292776941 7.2585e-06  
a 189.7175789253983 0.030633 au
q 8.73861379190531 4.0595e-05 au
i 125.3501086419949 7.2804e-06 deg
node 275.9749122259774 2.5943e-05 deg
peri 152.9608897821346 0.00036192 deg
M 359.5167236232175 0.00011875 deg
tp 2460481.805981368082
(2024-Jun-20.30598137)
0.0046508 TDB
period 954464.5164811821
2613.18
231.17
0.6329
d
yr
n .000377174838649015 9.1351e-08 deg/d
Q 370.6965440588913 0.059854 au
  Orbit Determination Parameters
   # obs. used (total)      421  
   data-arc span      2787 days (7.63 yr)  
   first obs. used      2013-06-08  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .42779  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 18:12:55  

Additional Information
 Earth MOID = 7.82332 au 
 Jupiter MOID = 3.85703 au 
 T_jup = -2.069 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458401.5 (2018-Oct-10.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9510049753618546 7.2322e-06  
q 8.728876629293513 4.0658e-05 au
tp 2460485.742047224150
(2024-Jun-24.24204722)
0.0046639 TDB
node 275.9782533842387 2.598e-05 deg
peri 153.1248402312079 0.00036339 deg
i 125.3525060201877 7.2835e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      421  
   data-arc span      2787 days (7.63 yr)  
   first obs. used      2013-06-08  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .42779  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 18:12:55  

Additional Information
 Jupiter MOID = 3.85703 au 
 T_jup = -2.069 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.230502314718386E-11 2.443020434687874E-10 -3.271178428120328E-8 -1.755746499799852E-11 -2.422761329684402E-9 -2.374485065043256E-11
q 2.443020434687874E-10 1.653074111706493E-9 -1.320142022378043E-7 -1.723635974400541E-10 -1.446350153237634E-8 -1.583042141542595E-10
tp -3.271178428120328E-8 -1.320142022378043E-7 2.175181655081869E-5 7.008073289391655E-9 1.397942120903705E-6 1.267657686230161E-8
node -1.755746499799852E-11 -1.723635974400541E-10 7.008073289391655E-9 6.749379655491172E-10 1.739357541073639E-9 1.09772505835391E-10
peri -2.422761329684402E-9 -1.446350153237634E-8 1.397942120903705E-6 1.739357541073639E-9 1.320529983357705E-7 1.439373212164965E-9
i -2.374485065043256E-11 -1.583042141542595E-10 1.267657686230161E-8 1.09772505835391E-10 1.439373212164965E-9 5.304974331443182E-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 8.37   n/a E2021B25  

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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