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(2016 HK19)
Classification: Amor [NEO]          SPK-ID: 3752573
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5669822678894444 0.00010765  
a 2.73878028273716 0.00073672 au
q 1.185940426779951 2.4199e-05 au
i 19.82264368088519 0.002151 deg
node 67.33383144340443 0.0001417 deg
peri 177.0075311681787 0.0006208 deg
M 1.835145057706082 0.14692 deg
tp 2459192.060783791529
(2020-Dec-08.56078379)
0.67225 TDB
period 1655.519176694967
4.53
0.66799
0.001829
d
yr
n .2174544427317925 8.7742e-05 deg/d
Q 4.291620138694369 0.0011544 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      39 days  
   first obs. used      2016-04-30  
   last obs. used      2016-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .61248  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 17:04:43  

Additional Information
 Earth MOID = .171442 au 
 Jupiter MOID = .74994 au 
 T_jup = 3.024 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457516.5 (2016-May-08.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5668910257080583 0.00010862  
q 1.186363504109975 2.2409e-05 au
tp 2457534.910627834279
(2016-May-26.41062783)
0.00065881 TDB
node 67.35733717349456 0.00011727 deg
peri 176.8952357218153 0.00060607 deg
i 19.8215359486791 0.0021572 deg
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      39 days  
   first obs. used      2016-04-30  
   last obs. used      2016-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .61248  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 17:04:43  

Additional Information
 Jupiter MOID = .74994 au 
 T_jup = 3.024 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.179827639861325E-8 2.433629509046562E-9 6.958071070982679E-8 -1.256560096714781E-8 6.358281776831379E-8 2.343016908789407E-7
q 2.433629509046562E-9 5.021609693329672E-10 1.429929783175718E-8 -2.588976410304982E-9 1.305966731847561E-8 4.832987805294503E-8
tp 6.958071070982679E-8 1.429929783175718E-8 4.340295810612513E-7 -7.526516912954557E-8 3.989796073701182E-7 1.383208854491325E-6
node -1.256560096714781E-8 -2.588976410304982E-9 -7.526516912954557E-8 1.375321983947975E-8 -6.919643010120955E-8 -2.498566036124798E-7
peri 6.358281776831379E-8 1.305966731847561E-8 3.989796073701182E-7 -6.919643010120955E-8 3.673179303794403E-7 1.264257852728404E-6
i 2.343016908789407E-7 4.832987805294503E-8 1.383208854491325E-6 -2.498566036124798E-7 1.264257852728404E-6 4.653616791406679E-6

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 21.7   n/a MPO386978  

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