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C/2005 N5 (Catalina)
Classification: Halley-type Comet*          SPK-ID: 1001655
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2453631.5 (2005-Sep-18.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9432700221966782 1.3006e-05  
a 28.68675731408546 0.006631 au
q 1.627399105677347 3.3929e-06 au
i 21.37874509409915 7.7159e-05 deg
node 156.4113349148192 0.00011801 deg
peri 207.7652326844669 0.00022631 deg
M .1688270450401677 5.6839e-05 deg
tp 2453605.181560548400
(2005-Aug-22.68156055)
0.00031744 TDB
period 56120.3816623206
153.65
19.459
0.05328
d
yr
n .006414781748387594 2.2242e-06 deg/d
Q 55.74611552249358 0.012886 au
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      191 days  
   first obs. used      2005-07-12  
   last obs. used      2006-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .69431  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:30:51  

Additional Information
 Earth MOID = .649714 au 
 Jupiter MOID = 1.20539 au 
 T_jup = 1.633 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 16.0   0.8 27 2 parameter fit from 52 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 27 autocmod 2.9c

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2005.6   C/2005 N5       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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