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P/2019 M2 (ATLAS)
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1003635
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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 2458703.5 (2019-Aug-08.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6485364711823028 9.2123e-06  
a 3.025620108030433 8.0949e-05 au
q 1.063395120030158 6.4133e-07 au
i 12.28205649194148 0.00010261 deg
node 307.6033076884789 0.00012311 deg
peri 332.5206265906124 7.9553e-05 deg
M 8.676904998341188 0.00034929 deg
tp 2458657.167859433459
(2019-Jun-22.66785943)
5.7968e-05 TDB
period 1922.294943547669
5.26
0.077145
0.0002112
d
yr
n .1872761519809266 7.5157e-06 deg/d
Q 4.987845096030708 0.00013345 au
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      126 days  
   first obs. used      2019-06-29  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .43755  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 00:55:28  

Additional Information
 Earth MOID = .0772178 au 
 Jupiter MOID = .468168 au 
 T_jup = 2.854 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 20.7   0.8 7 2 parameter fit from 207 observations, autocmod 2.8
comet total magnitude slope K1 4.5   n/a 7 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2019.5   P/2019 M2       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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