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JPL Small-Body Database Browser
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(2018 SP2)
Classification: Aten [NEO]          SPK-ID: 3830890
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2055558436153549 9.1654e-05  
a .9246260603298021 0.00011862 au
q .7345637704699676 1.0406e-05 au
i 26.82385451259426 0.026975 deg
node 187.2224386290662 0.00028064 deg
peri 303.3788769724982 0.044075 deg
M 128.5715884106201 0.018415 deg
tp 2458484.518123759772
(2019-Jan-01.01812376)
0.038921 TDB
period 324.7488497469111
0.89
0.062491
0.0001711
d
yr
n 1.1085489610835 0.00021332 deg/d
Q 1.114688350189637 0.000143 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      2 days  
   first obs. used      2018-09-29  
   last obs. used      2018-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .30181  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-02 06:27:40  

Additional Information
 Earth MOID = .00287856 au 
 Jupiter MOID = 3.93271 au 
 T_jup = 6.364 
[ 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 24.8   .75432 E2018T17 autocmod 2.6n

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