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(2018 SG3)
Classification: Apollo [NEO]          SPK-ID: 3831071
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2233801339224661 0.00019408  
a 1.194734596764904 0.00024773 au
q .9278546225377563 3.9493e-05 au
i 6.206028093181742 0.0053495 deg
node 186.7169345532597 0.00014964 deg
peri 243.2873978041123 0.0039211 deg
M 57.02046502803027 0.12349 deg
tp 2458924.950109185766
(2020-Mar-16.45010919)
0.14012 TDB
period 476.9859502154941
1.31
0.14836
0.0004062
d
yr
n .754739211579205 0.00023475 deg/d
Q 1.461614570992052 0.00030307 au
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      6 days  
   first obs. used      2018-09-30  
   last obs. used      2018-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .19189  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-07 06:47:29  

Additional Information
 Earth MOID = .0171701 au 
 Jupiter MOID = 3.79042 au 
 T_jup = 5.284 
[ 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 27.0   .30122 MPO458779 autocmod 2.6n

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