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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6900805255638239 3.4006e-05  
a 2.792525804820344 0.00029018 au
q .8654581297793805 5.0335e-06 au
i 5.396785296958009 0.00017007 deg
node 57.80368991793421 1.3677e-05 deg
peri 227.2708530578372 0.00011103 deg
M 303.9945644348564 0.047308 deg
tp 2459265.668479136223
(2021-Feb-20.16847914)
0.26532 TDB
period 1704.48906478022
4.67
0.26567
0.0007274
d
yr
n .2112069871486205 3.292e-05 deg/d
Q 4.719593479861307 0.00049042 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .35634  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-11 07:37:06  

Additional Information
 Earth MOID = .0038499 au 
 Jupiter MOID = .583192 au 
 T_jup = 2.919 
[ 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 24.6   n/a MPO386979  
rotation period rot_per 1. h n/a LCDB (Rev. 2019-August); 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.]

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