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C/2019 L3 (ATLAS)
Classification: Hyperbolic Comet          SPK-ID: 1003631
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459051.5 (2020-Jul-21.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000539821130964 3.7542e-06  
a -6583.14344271618 45.78 au
q 3.553719938545011 6.0746e-06 au
i 48.36637550117254 7.4315e-06 deg
node 290.7835018536189 3.3869e-05 deg
peri 171.6530753904075 0.00011608 deg
M -.0009924741922283317 1.0352e-05 deg
tp 2459589.354895441548
(2022-Jan-09.85489544)
0.00072795 TDB
period n/a
n/a
n/a
n/a
d
yr
n 1.845245252278623E-6 1.9248e-08 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      2094  
   data-arc span      770 days (2.11 yr)  
   first obs. used      2019-06-10  
   last obs. used      2021-07-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .38841  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-26 23:12:25  

Additional Information
 Earth MOID = 2.57427 au 
 Jupiter MOID = 1.65626 au 
 T_jup = 1.553 
[ 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 5.8   0.7 36 from 1636 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 8.25   n/a 36 autocmod 2.9c
comet nuclear magnitude M2 8.6   0.5 36 from 348 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 36 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 36 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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