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487462 (2014 SJ117)
Classification: Main-belt Asteroid          SPK-ID: 2487462
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09410713286184783 1.1222e-07  
a 3.126852191470582 6.2088e-08 au
q 2.8325930968485 3.5985e-07 au
i 9.780028034277484 1.4007e-05 deg
node 8.02365426803755 4.2421e-05 deg
peri 308.7599243611897 6.716e-05 deg
M 55.05617724203612 5.423e-05 deg
tp 2458691.639046402054
(2019-Jul-27.13904640)
0.00030301 TDB
period 2019.572532369095
5.53
6.0152e-05
1.647e-07
d
yr
n .1782555437995068 5.3093e-09 deg/d
Q 3.421111286092664 6.7931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      5791 days (15.85 yr)  
   first obs. used      2003-10-19  
   last obs. used      2019-08-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61197  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:19:18  

Additional Information
 Earth MOID = 1.83287 au 
 Jupiter MOID = 1.95251 au 
 T_jup = 3.185 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457246.5 (2015-Aug-12.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09810147598421648 1.1335e-07  
q 2.818460449019926 3.6558e-07 au
tp 2456673.359391819099
(2014-Jan-15.85939182)
0.00029235 TDB
node 8.145650595703371 4.2299e-05 deg
peri 308.9945921360595 6.5606e-05 deg
i 9.803563862017635 1.4035e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      5791 days (15.85 yr)  
   first obs. used      2003-10-19  
   last obs. used      2019-08-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61197  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:19:18  

Additional Information
 Jupiter MOID = 1.95251 au 
 T_jup = 3.185 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.284760121924581E-14 -4.095194364726174E-14 2.403806836634049E-11 -8.229728419337311E-17 4.112828083713688E-12 1.146718129706764E-15
q -4.095194364726174E-14 1.33651021981805E-13 -7.708659369749884E-11 1.76465041490501E-15 -1.3034764230058E-11 -2.857296478028789E-16
tp 2.403806836634049E-11 -7.708659369749884E-11 8.54701129254986E-8 -3.061078272974888E-11 1.470765549116639E-8 7.625038843000791E-12
node -8.229728419337311E-17 1.76465041490501E-15 -3.061078272974888E-11 1.789226672350089E-9 -1.767587738535077E-9 -3.246909986545587E-10
peri 4.112828083713688E-12 -1.3034764230058E-11 1.470765549116639E-8 -1.767587738535077E-9 4.304152645222358E-9 3.215720306631566E-10
i 1.146718129706764E-15 -2.857296478028789E-16 7.625038843000791E-12 -3.246909986545587E-10 3.215720306631566E-10 1.969929353116854E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO450509  

487462 (2014 SJ117)          Discovered 2008-Aug-04 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2017-03-14

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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