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(2012 SL50)
Classification: Apollo [NEO]          SPK-ID: 3609222
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4644845780355771 0.00012853  
a 1.594024457170305 4.2782e-05 au
q .853624679803166 0.00022773 au
i 9.536095027896904 0.011195 deg
node 184.5953158127207 0.0028528 deg
peri 238.5209358676863 0.041425 deg
M 273.2479818334241 0.39367 deg
tp 2459177.640547932411
(2020-Nov-24.14054793)
0.79672 TDB
period 735.0906480725255
2.01
0.029593
8.102e-05
d
yr
n .4897355189376341 1.9716e-05 deg/d
Q 2.334424234537444 6.2653e-05 au
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      1 day  
   first obs. used      2012-09-24  
   last obs. used      2012-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .55877  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:48:50  

Additional Information
 Earth MOID = .00220171 au 
 Jupiter MOID = 3.05194 au 
 T_jup = 4.231 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456195.5 (2012-Sep-25.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4667953734996275 0.00040139  
q .854123137011215 7.169e-05 au
tp 2456240.764411440676
(2012-Nov-09.26441144)
0.011266 TDB
node 184.7438743451174 0.00038769 deg
peri 238.0808821176589 0.0045307 deg
i 9.549451400195441 0.0064929 deg
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      1 day  
   first obs. used      2012-09-24  
   last obs. used      2012-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .55877  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:48:50  

Additional Information
 Jupiter MOID = 3.05194 au 
 T_jup = 4.231 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.6111191222947E-7 -2.820642919298928E-8 -4.482391122544734E-6 1.38089415806123E-7 -1.380540192113657E-6 2.602543918642943E-6
q -2.820642919298928E-8 5.13947825898313E-9 7.636114656383056E-7 -2.170079691045894E-8 1.998561387289516E-7 -4.601938588160643E-7
tp -4.482391122544734E-6 7.636114656383056E-7 .0001269277122461381 -4.100969714126094E-6 4.280265719271153E-5 -7.192812881873952E-5
node 1.38089415806123E-7 -2.170079691045894E-8 -4.100969714126094E-6 1.503016812571685E-7 -1.698326761272074E-6 2.171690999094806E-6
peri -1.380540192113657E-6 1.998561387289516E-7 4.280265719271153E-5 -1.698326761272074E-6 2.052763379977815E-5 -2.135027586145118E-5
i 2.602543918642943E-6 -4.601938588160643E-7 -7.192812881873952E-5 2.171690999094806E-6 -2.135027586145118E-5 4.215719389694336E-5

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.4   n/a MPO240118  

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