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320P/McNaught
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000508
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455658.5 (2011-Apr-07.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6824438904394822 7.7684e-08  
a 3.102948731326915 2.6528e-08 au
q .9853603272859196 2.3844e-07 au
i 4.893564317653751 1.6358e-05 deg
node 295.9559793074027 0.00023351 deg
peri .6659741140897921 0.00022952 deg
M 73.91602249272096 5.0134e-06 deg
tp 2455248.582541883706
(2010-Feb-21.08254188)
3.0759e-05 TDB
period 1996.458683046671
5.47
2.5602e-05
7.009e-08
d
yr
n .1803192838684878 2.3124e-09 deg/d
Q 5.220537135367911 4.4631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      4055 days (11.10 yr)  
   first obs. used      2004-09-02  
   last obs. used      2015-10-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .71595  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:28:23  

Additional Information
 Earth MOID = .0278604 au 
 Jupiter MOID = .0321803 au 
 T_jup = 2.802 
[ 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 19.6   01. 30 2 parameter fit from 59 observations, autocmod 2.9c
comet total magnitude slope K1 14.25   n/a 30 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2015.6   320P/2015 HC10       
 2004.7   320P/2004 R1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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