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(2018 SQ2)
Classification: Amor [NEO]          SPK-ID: 3830889
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4262398381032081 0.00031192  
a 1.814362359463579 0.0010265 au
q 1.041008841105268 2.3046e-05 au
i 10.43770140935906 0.0053951 deg
node 196.4685391266293 0.00090964 deg
peri 177.306596908661 0.0020318 deg
M 243.1798509349816 0.20594 deg
tp 2459290.167468164857
(2021-Mar-16.66746816)
0.75648 TDB
period 892.6566981292715
2.44
0.75756
0.002074
d
yr
n .4032905379575901 0.00034226 deg/d
Q 2.58771587782189 0.0014641 au
  Orbit Determination Parameters
   # obs. used (total)      52  
   data-arc span      38 days  
   first obs. used      2018-09-29  
   last obs. used      2018-11-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .48593  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Nov-08 06:39:48  

Additional Information
 Earth MOID = .042862 au 
 Jupiter MOID = 2.87737 au 
 T_jup = 3.919 
[ 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 24.9   .29214 E2018T17 autocmod 2.6n

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