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(2012 SV89 = 2016 AK51)
Classification: Jupiter Trojan          SPK-ID: 3740733
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06152265503683464 3.2103e-07  
a 5.191763452074854 1.6137e-06 au
q 4.872352380180007 3.1442e-06 au
i 6.519900210578549 1.1348e-05 deg
node 292.4287914124404 0.00010823 deg
peri 55.64250977211475 0.00031994 deg
M 286.2528762951555 0.00036628 deg
tp 2460281.642834469861
(2023-Dec-03.14283447)
0.0047601 TDB
period 4320.865742296297
11.83
0.0020145
5.515e-06
d
yr
n .08331663640367597 3.8844e-08 deg/d
Q 5.511174523969701 1.713e-06 au
  Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      2827 days (7.74 yr)  
   first obs. used      2012-09-25  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .73838  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 06:18:38  

Additional Information
 Earth MOID = 3.86988 au 
 Jupiter MOID = .118581 au 
 T_jup = 2.983 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458181.5 (2018-Mar-04.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0607122730445384 3.1352e-07  
q 4.870963618107656 3.1199e-06 au
tp 2460302.554863307176
(2023-Dec-24.05486331)
0.0048816 TDB
node 292.4442346161898 0.00010827 deg
peri 57.34825597668836 0.00032824 deg
i 6.520519922888138 1.1349e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      2827 days (7.74 yr)  
   first obs. used      2012-09-25  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .73838  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 06:18:38  

Additional Information
 Jupiter MOID = .118581 au 
 T_jup = 2.983 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.829408061863607E-14 -9.664864408770339E-13 -1.274044616732739E-9 -1.013581641114088E-13 -7.488256195657833E-11 -1.039402155049195E-13
q -9.664864408770339E-13 9.73403594587851E-12 1.332763756777407E-8 1.08490149544258E-12 7.868777859999357E-10 1.108121135239277E-12
tp -1.274044616732739E-9 1.332763756777407E-8 2.383047895893243E-5 1.487499209076353E-9 1.502428070305958E-6 1.87906112935541E-9
node -1.013581641114088E-13 1.08490149544258E-12 1.487499209076353E-9 1.172272762707603E-8 -1.156066447434851E-8 -2.573641503765588E-10
peri -7.488256195657833E-11 7.868777859999357E-10 1.502428070305958E-6 -1.156066447434851E-8 1.077447039283278E-7 3.721488484572766E-10
i -1.039402155049195E-13 1.108121135239277E-12 1.87906112935541E-9 -2.573641503765588E-10 3.721488484572766E-10 1.287939323586798E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   .30717 E2020-XI0 autocmod 2.8

Alternate Designations
 2012 SV89 = 2016 AK51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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