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JPL Small-Body Database Browser
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(2018 SN2)
Classification: Aten [NEO]          SPK-ID: 3830886
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2169233467136797 0.00020205  
a .8375102498501753 0.00011868 au
q .6558347235456652 0.00026216 au
i 13.081501025989 0.019015 deg
node 186.7334471297122 0.002332 deg
peri .9585075654370104 0.00684 deg
M 238.9242860567888 0.15492 deg
tp 2459094.653866854295
(2020-Sep-02.15386685)
0.14049 TDB
period 279.952031366458
0.77
0.059507
0.0001629
d
yr
n 1.285934587589254 0.00027334 deg/d
Q 1.019185776154685 0.00014443 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      16 days  
   first obs. used      2018-09-29  
   last obs. used      2018-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .39485  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-15 07:13:43  

Additional Information
 Earth MOID = .0181753 au 
 Jupiter MOID = 3.93607 au 
 T_jup = 6.976 
[ 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 24.4   .60981 MPO458775 autocmod 2.6n

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