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(2018 SA1)
Classification: Amor [NEO]          SPK-ID: 3830850
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .595620326922669 6.7674e-05  
a 2.965742591087507 0.00050781 au
q 1.199286019415483 7.2535e-06 au
i 30.14809773684795 0.0012141 deg
node 165.1938951904817 0.00078756 deg
peri 179.8409039665816 0.00073972 deg
M 124.8857503378258 0.032058 deg
tp 2458353.343980924705
(2018-Aug-22.84398092)
0.00037816 TDB
period 1865.514410065899
5.11
0.47914
0.001312
d
yr
n .1929762633070645 4.9564e-05 deg/d
Q 4.732199162759531 0.00081028 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      74 days  
   first obs. used      2018-09-16  
   last obs. used      2018-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .39095  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Dec-01 06:23:57  

Additional Information
 Earth MOID = .192275 au 
 Jupiter MOID = .704814 au 
 T_jup = 2.803 
[ 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 21.0   .40576 E2018X11 autocmod 2.6n

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