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346P/Catalina
Classification: Jupiter-family Comet          SPK-ID: 1002483
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455727.5 (2011-Jun-15.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5038752908747568 3.2292e-07  
a 4.482058471302498 2.1854e-07 au
q 2.223659955357284 1.5497e-06 au
i 22.1672881614802 1.8009e-05 deg
node 102.5659337991469 3.1411e-05 deg
peri 335.7515323220631 0.00011899 deg
M 144.848240147694 3.8371e-05 deg
tp 2454332.977820533919
(2007-Aug-20.47782053)
0.00036791 TDB
period 3465.889430868458
9.49
0.00025349
6.94e-07
d
yr
n .1038694416485738 7.597e-09 deg/d
Q 6.740456987247712 3.2866e-07 au
  Orbit Determination Parameters
   # obs. used (total)      534  
   data-arc span      3838 days (10.51 yr)  
   first obs. used      2007-10-06  
   last obs. used      2018-04-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .72888  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:28:30  

Additional Information
 Earth MOID = 1.25767 au 
 Jupiter MOID = .593354 au 
 T_jup = 2.646 
[ 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 13.9   01. 38 2 parameter fit from 268 observations, autocmod 2.9c
comet total magnitude slope K1 8.25   n/a 38 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2017.1   346P/2016 R1       
 2007.6   346P/2007 T6       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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