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(2018 SK)
Classification: Apollo [NEO]          SPK-ID: 3830506
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 2458379.5 (2018-Sep-18.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3211300513431387 0.0015913  
a 1.396662561907461 0.0030713 au
q .9481522416930784 0.00013754 au
i 9.740520062325556 0.040064 deg
node 353.1119294761393 0.0070723 deg
peri 50.51081623565473 0.018543 deg
M 333.8106772762452 0.11208 deg
tp 2458423.358869308913
(2018-Oct-31.85886931)
0.043034 TDB
period 602.8866465067924
1.65
1.9886
0.005444
d
yr
n .5971271748775481 0.0019696 deg/d
Q 1.845172882121844 0.0040575 au
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      13 days  
   first obs. used      2018-09-16  
   last obs. used      2018-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .52086  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Sep-29 08:09:06  

Additional Information
 Earth MOID = .0236142 au 
 Jupiter MOID = 3.59338 au 
 T_jup = 4.693 
[ 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 25.8   .44973 E2018S68 autocmod 2.6n

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