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(2017 SM2)
Classification: Apollo [NEO]          SPK-ID: 3781591
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3320543368346084 6.3075e-05  
a 1.319463519524828 9.2859e-05 au
q .8813299355715529 2.1229e-05 au
i 5.809564632921661 0.0012005 deg
node 176.6462929957541 1.3573e-05 deg
peri 239.9444015034275 0.00098592 deg
M 248.9535389694399 0.063521 deg
tp 2459171.264161361827
(2020-Nov-17.76416136)
0.11571 TDB
period 553.5979942065834
1.52
0.05844
0.00016
d
yr
n .6502913734648768 6.8648e-05 deg/d
Q 1.757597103478103 0.00012369 au
  Orbit Determination Parameters
   # obs. used (total)      67  
   data-arc span      3 days  
   first obs. used      2017-09-17  
   last obs. used      2017-09-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .62034  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Sep-20 06:19:31  

Additional Information
 Earth MOID = .00112183 au 
 Jupiter MOID = 3.60248 au 
 T_jup = 4.889 
[ 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 27.3   n/a MPO416668  

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