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(2016 HQ19)
Classification: Amor [NEO]          SPK-ID: 3752701
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5665374213670196 3.416e-05  
a 2.39214792876952 0.00019124 au
q 1.036906609675979 1.1778e-06 au
i 3.075874963056418 0.00015455 deg
node 152.0088050162964 0.0001696 deg
peri 88.27866686306938 0.00017716 deg
M 84.22524483668757 0.053428 deg
tp 2458884.330292722124
(2020-Feb-04.83029272)
0.16265 TDB
period 1351.389299499624
3.70
0.16205
0.0004437
d
yr
n .2663925192639134 3.1945e-05 deg/d
Q 3.747389247863061 0.00029958 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      92 days  
   first obs. used      2016-04-30  
   last obs. used      2016-07-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .6296  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 17:04:43  

Additional Information
 Earth MOID = .0596426 au 
 Jupiter MOID = 1.28875 au 
 T_jup = 3.291 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457522.5 (2016-May-14.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5664131927016457 3.4096e-05  
q 1.037645501078317 1.409e-06 au
tp 2457531.660578245647
(2016-May-23.16057825)
9.892e-05 TDB
node 152.2892890099709 0.00018646 deg
peri 87.93858683826338 0.00019888 deg
i 3.072950154913539 0.0001544 deg
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      92 days  
   first obs. used      2016-04-30  
   last obs. used      2016-07-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .6296  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 17:04:43  

Additional Information
 Jupiter MOID = 1.28875 au 
 T_jup = 3.291 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.162570339002746E-9 4.802702271219612E-11 3.33191988411798E-9 -3.982552610798012E-9 4.428609979320637E-9 5.262963914320028E-9
q 4.802702271219612E-11 1.985418529810305E-12 1.374486163127307E-10 -1.624392405054468E-10 1.805850141278211E-10 2.17503652123149E-10
tp 3.33191988411798E-9 1.374486163127307E-10 9.785168512375491E-9 -1.191209904320188E-8 1.345171127182392E-8 1.50822587949434E-8
node -3.982552610798012E-9 -1.624392405054468E-10 -1.191209904320188E-8 3.476792571842366E-8 -3.69269161012703E-8 -1.767709203582742E-8
peri 4.428609979320637E-9 1.805850141278211E-10 1.345171127182392E-8 -3.69269161012703E-8 3.955385288030892E-8 1.968822076010847E-8
i 5.262963914320028E-9 2.17503652123149E-10 1.50822587949434E-8 -1.767709203582742E-8 1.968822076010847E-8 2.383908160727133E-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 23.8   n/a MPO438024  

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