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JPL Small-Body Database Browser
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C/2019 T3 (ATLAS)
Classification: Comet          SPK-ID: 1003643
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

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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 2458781.5 (2019-Oct-25.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9996768614831588 0.00015484  
a 18403.08226919557 8818.1 au
q 5.946744709774102 0.00013953 au
i 121.861125058527 0.000105 deg
node 139.5084468310114 0.00036662 deg
peri 112.2415947264867 0.0030383 deg
M 359.9998048469263 0.00014026 deg
tp 2459275.818851775782
(2021-Mar-02.31885178)
0.01309 TDB
period 911872835.2994937
2496571.76
6.5541e+08
1.794e+06
d
yr
n 3.947918899039933E-7 2.8376e-07 deg/d
Q 36800.21779368136 17633 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      382 days (1.05 yr)  
   first obs. used      2019-01-17  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .42031  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-05 13:16:01  

Additional Information
 Earth MOID = 5.3428 au 
 Jupiter MOID = 2.77962 au 
 T_jup = -1.596 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 6.6   0.4 5 from 123 observations, assumed slope, autocmod 2.8
comet total magnitude slope K1 9.75   n/a 5 autocmod 2.8
comet nuclear magnitude M2 10.3   0.2 5 from 15 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 5 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 5 autocmod 2.8

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2021.2   C/2019 T3       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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