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(2016 JD18)
Classification: Apollo [NEO]          SPK-ID: 3753075
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6900763076499609 3.3964e-05  
a 2.791968224842536 0.00028919 au
q .8652971011671832 5.2002e-06 au
i 5.396929649327645 0.00016997 deg
node 57.79735249077865 7.9288e-06 deg
peri 227.2894012976516 0.00013476 deg
M 346.2306316775722 0.053918 deg
tp 2459265.674191187810
(2021-Feb-20.17419119)
0.26533 TDB
period 1703.978590607898
4.67
0.26475
0.0007248
d
yr
n .211270260075022 3.2825e-05 deg/d
Q 4.71863934851789 0.00048876 au
  Orbit Determination Parameters
   # obs. used (total)      248  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      16 days  
   first obs. used      2016-05-01  
   last obs. used      2016-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .35634  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 17:06:14  

Additional Information
 Earth MOID = .00417219 au 
 Jupiter MOID = .583674 au 
 T_jup = 2.919 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457517.5 (2016-May-09.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6871121288203181 3.4146e-05  
q .8666750141033119 4.7747e-06 au
tp 2457559.966415959629
(2016-Jun-20.46641596)
0.00043673 TDB
node 57.86797772379168 1.7599e-05 deg
peri 227.5177640886191 7.3216e-05 deg
i 5.312322563008181 0.00017943 deg
  Orbit Determination Parameters
   # obs. used (total)      248  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      16 days  
   first obs. used      2016-05-01  
   last obs. used      2016-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .35634  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 17:06:14  

Additional Information
 Jupiter MOID = .583674 au 
 T_jup = 2.919 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.16596515791295E-9 -1.629793078951621E-10 -1.490739728792396E-8 5.451657448543162E-10 2.410316048848146E-9 6.123313554802743E-9
q -1.629793078951621E-10 2.279728394143007E-11 2.082295398783024E-9 -7.6681597352822E-11 -3.392116315410695E-10 -8.557494074723789E-10
tp -1.490739728792396E-8 2.082295398783024E-9 1.907340914609635E-7 -6.927875797914841E-9 -3.0602637531922E-8 -7.830388247073682E-8
node 5.451657448543162E-10 -7.6681597352822E-11 -6.927875797914841E-9 3.097222762087233E-10 1.152635921298138E-9 2.827039329007076E-9
peri 2.410316048848146E-9 -3.392116315410695E-10 -3.0602637531922E-8 1.152635921298138E-9 5.360643386802593E-9 1.266631710341083E-8
i 6.123313554802743E-9 -8.557494074723789E-10 -7.830388247073682E-8 2.827039329007076E-9 1.266631710341083E-8 3.219582518523596E-8

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 24.6   n/a MPO386979  
rotation period rot_per 1. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; 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.]

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