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P/2019 LD2 (ATLAS)
Classification: Jupiter-family Comet          SPK-ID: 1003688
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458988.5 (2020-May-19.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1354613605359984 4.7832e-06  
a 5.295371700167697 3.8185e-05 au
q 4.578053445119158 8.0718e-06 au
i 11.55025109457675 2.155e-05 deg
node 179.756237793784 0.00012198 deg
peri 123.4394430483153 0.0012825 deg
M 3.114931490972575 0.00094732 deg
tp 2458949.988618279687
(2020-Apr-10.48861828)
0.012055 TDB
period 4450.851474420033
12.19
0.048143
0.0001318
d
yr
n .08088339996717363 8.7488e-07 deg/d
Q 6.012689955216237 4.3358e-05 au
  Orbit Determination Parameters
   # obs. used (total)      558  
   data-arc span      960 days (2.63 yr)  
   first obs. used      2018-05-09  
   last obs. used      2020-12-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .56181  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:57  

Additional Information
 Earth MOID = 3.57979 au 
 Jupiter MOID = .0502291 au 
 T_jup = 2.941 
[ 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
absolute magnitude H 12.2   .83056 MPO504266 autocmod 2.8
comet total magnitude M1 6.8   0.7 26 from 528 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 13.   n/a 26 autocmod 2.9c
comet nuclear magnitude M2 12.0   0.1 26 from 7 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 26 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 26 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2020.3   P/2019 LD2       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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