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C/2019 Y1 (ATLAS)
Classification: Comet          SPK-ID: 1003652
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | 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 2458951.5 (2020-Apr-12.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9965074423293531 2.4441e-06  
a 239.8883224139375 0.16794 au
q .8378238005454223 3.3637e-07 au
i 73.34813819250138 2.4407e-05 deg
node 31.36634159399249 4.0848e-05 deg
peri 57.49818641832145 3.3931e-05 deg
M .007278066235841341 7.6499e-06 deg
tp 2458924.063696978536
(2020-Mar-15.56369698)
3.8167e-05 TDB
period 1357100.741827098
3715.54
1425.1
3.902
d
yr
n .0002652713898861503 2.7856e-07 deg/d
Q 478.9388210273295 0.33529 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 1.109489468033472E-8 3.252E-10
  Orbit Determination Parameters
   # obs. used (total)      989  
   data-arc span      185 days  
   first obs. used      2019-12-16  
   last obs. used      2020-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .78607  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-26 16:17:43  

Additional Information
 Earth MOID = .0831924 au 
 Jupiter MOID = 1.02612 au 
 T_jup = 0.347 
[ hide covariance matrix ]
Orbit Covariance (7×7)
  e q tp node peri i A2
e 5.973738776752724E-12 5.244905761520864E-13 6.605783946234458E-11 -6.315520535265969E-11 2.684551781291125E-11 1.797828919044427E-11 5.502334307013688E-16
q 5.244905761520864E-13 1.131427799022399E-13 6.114829272147126E-12 -4.434258887498681E-12 4.28965771942772E-12 8.392634969943348E-13 7.80585188255094E-17
tp 6.605783946234458E-11 6.114829272147126E-12 1.456700865744612E-9 -4.282100741990796E-10 1.059203556891188E-9 1.65306322205024E-10 9.38221013220782E-15
node -6.315520535265969E-11 -4.434258887498681E-12 -4.282100741990796E-10 1.668534911764989E-9 -1.577338463859739E-10 -7.719218683919294E-10 -2.384034814833759E-15
peri 2.684551781291125E-11 4.28965771942772E-12 1.059203556891188E-9 -1.577338463859739E-10 1.151317615303514E-9 1.663211004250441E-10 6.370086078636758E-15
i 1.797828919044427E-11 8.392634969943348E-13 1.65306322205024E-10 -7.719218683919294E-10 1.663211004250441E-10 5.956932973287214E-10 3.494754377389795E-16
A2 5.502334307013688E-16 7.80585188255094E-17 9.38221013220782E-15 -2.384034814833759E-15 6.370086078636758E-15 3.494754377389795E-16 1.057381806952384E-19

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 11.9   1. 19 2 parameter fit from 831 observations, autocmod 2.8
comet total magnitude slope K1 21.5   n/a 19 autocmod 2.8

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2020.2   C/2019 Y1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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