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JPL Small-Body Database Browser
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(2016 JE18)
Classification: Apollo [NEO]          SPK-ID: 3753076
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2384611469930485 0.00031664  
a 1.328664488433368 0.00055688 au
q 1.011829630552615 4.7367e-06 au
i 13.79809662021764 0.012222 deg
node 48.7471171927647 0.00019118 deg
peri 208.4676633839977 0.0041553 deg
M 111.7368406725033 0.74915 deg
tp 2459222.873782052381
(2021-Jan-08.37378205)
1.0549 TDB
period 559.3986556711774
1.53
0.35169
0.0009629
d
yr
n .6435482036832302 0.00040459 deg/d
Q 1.645499346314121 0.00068967 au
  Orbit Determination Parameters
   # obs. used (total)      67  
   data-arc span      3 days  
   first obs. used      2016-05-08  
   last obs. used      2016-05-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .41616  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 17:06:13  

Additional Information
 Earth MOID = .0244769 au 
 Jupiter MOID = 3.40131 au 
 T_jup = 4.869 
[ 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 26.3   n/a MPO378539  
rotation period rot_per 1.2 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Thirouin, A.; Moskovitz, N.A.; Binzel, R.P.; Christensen, E.J.; et al. (2018) Astrophys. J. Supp. Series 2391, A4.]

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