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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2169263198185675 0.00020212  
a .837524242648798 0.00011869 au
q .6558431909321614 0.00026222 au
i 13.08141460086571 0.019015 deg
node 186.7365344192973 0.0023335 deg
peri .962739748648745 0.0068402 deg
M 84.55020075747312 0.045599 deg
tp 2458534.748350942089
(2019-Feb-20.24835094)
0.021484 TDB
period 279.9590473918053
0.77
0.059513
0.0001629
d
yr
n 1.285902360912725 0.00027336 deg/d
Q 1.019205294365435 0.00014444 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 = .0173609 au 
 Jupiter MOID = 3.93731 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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