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C/2019 Q4 (Borisov)
Classification: Hyperbolic Comet          SPK-ID: 1003639
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet 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. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet is not working, here are some notes that might help.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2459062.5 (2020-Aug-01.0) TDB
Reference: JPL 53 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 3.356215101434632 1.2419e-05  
a -.8516123560275226 6.4703e-06 au
q 2.006581893840375 5.1673e-06 au
i 44.05257068647377 6.1532e-06 deg
node 308.1487262895379 4.3381e-05 deg
peri 209.12367864 0.00011673 deg
M 296.5442557294122 0.0030871 deg
tp 2458826.045070213072
(2019-Dec-08.54507021)
0.00025087 TDB
period n/a
n/a
n/a
n/a
d
yr
n 1.25412591734345 1.4293e-05 deg/d
Q n/a n/a au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 7.093444133467172E-8 7.611E-9
A2 [EST] -1.4438115056624E-8 2.721E-9
A3 [EST] 6.53473450694026E-10 1.367E-9
DT [EST] 87.29159436127772 4.648
  Orbit Determination Parameters
   # obs. used (total)      1428  
   data-arc span      311 days  
   first obs. used      2019-08-30  
   last obs. used      2020-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .47851  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2020-Aug-21 09:32:58  

Additional Information
 Earth MOID = 1.0939 au 
 Jupiter MOID = 2.38873 au 
[ hide covariance matrix ]
Orbit Covariance (10×10)
  e q tp node peri i A1 A2 A3 DT
e 1.542230297295728E-10 -5.511622492555947E-11 2.795560226030938E-9 4.434959593831319E-10 -1.302970965660191E-9 8.778561891540475E-12 9.001987975960445E-14 2.4512264687685E-14 -1.301735558368053E-14 3.962947623559729E-5
q -5.511622492555947E-11 2.670092668649786E-11 -1.199461869454189E-9 -1.772508156009416E-10 5.924019248634962E-10 4.357008175820797E-12 -3.67260769625034E-14 -7.912770881250117E-15 5.508089948589812E-15 -2.225218637149287E-5
tp 2.795560226030938E-9 -1.199461869454189E-9 6.293708442066078E-8 9.392425569876376E-9 -2.657443659636334E-8 -4.485641075524455E-10 1.856146921502742E-12 5.635760610166663E-13 -3.049228759277746E-13 .0008958710821208855
node 4.434959593831319E-10 -1.772508156009416E-10 9.392425569876376E-9 1.88194466390041E-9 -4.338450612371656E-9 -6.157085868206784E-11 2.86442738772152E-13 8.843411680603555E-14 -5.731283918425786E-14 .0001237290378356535
peri -1.302970965660191E-9 5.924019248634962E-10 -2.657443659636334E-8 -4.338450612371656E-9 1.362691200578457E-8 3.509883204662865E-11 -8.374639450914172E-13 -1.795342002194735E-13 1.299168280036091E-13 -.0004811018651555815
i 8.778561891540475E-12 4.357008175820797E-12 -4.485641075524455E-10 -6.157085868206784E-11 3.509883204662865E-11 3.786199862093532E-11 -6.010170856639875E-15 -6.682320132228322E-15 3.440673687863801E-15 -2.31513371108752E-6
A1 9.001987975960445E-14 -3.67260769625034E-14 1.856146921502742E-12 2.86442738772152E-13 -8.374639450914172E-13 -6.010170856639875E-15 5.792292084285157E-17 1.611909055566296E-17 -8.888402482026763E-18 2.63366899897789E-8
A2 2.4512264687685E-14 -7.912770881250117E-15 5.635760610166663E-13 8.843411680603555E-14 -1.795342002194735E-13 -6.682320132228322E-15 1.611909055566296E-17 7.406407996617306E-18 -3.050434270286792E-18 3.696633958613458E-9
A3 -1.301735558368053E-14 5.508089948589812E-15 -3.049228759277746E-13 -5.731283918425786E-14 1.299168280036091E-13 3.440673687863801E-15 -8.888402482026763E-18 -3.050434270286792E-18 1.86887126407753E-18 -3.805195120452057E-9
DT 3.962947623559729E-5 -2.225218637149287E-5 .0008958710821208855 .0001237290378356535 -.0004811018651555815 -2.31513371108752E-6 2.63366899897789E-8 3.696633958613458E-9 -3.805195120452057E-9 21.60692546869389

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 13.7   0.8 53 2 parameter fit from 2269 observations, autocmod 2.8
comet total magnitude slope K1 4.5   n/a 53 autocmod 2.8
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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