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(2012 SZ2)
Classification: Apollo [NEO]          SPK-ID: 3608729
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 .2795439657459164 0.00036891  
a 1.301996561449818 0.00062403 au
q .9380312792745892 3.0748e-05 au
i 17.11522787730901 0.017825 deg
node 174.6774831056158 0.0017231 deg
peri 232.0339821644257 0.012157 deg
M 34.88244158582268 1.375 deg
tp 2458947.920366129871
(2020-Apr-08.42036613)
2.0348 TDB
period 542.641722675164
1.49
0.39012
0.001068
d
yr
n .6634211579331563 0.00047695 deg/d
Q 1.665961843625047 0.00079847 au
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      4 days  
   first obs. used      2012-09-17  
   last obs. used      2012-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .41027  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:48:57  

Additional Information
 Earth MOID = .0170758 au 
 Jupiter MOID = 3.79753 au 
 T_jup = 4.914 
[ show covariance matrix ]

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 25.3   n/a MPO240091  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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