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350P/McNaught
Classification: Encke-type Comet          SPK-ID: 1003092
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455791.5 (2011-Aug-18.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08691048633866826 4.0936e-07  
a 4.104985220203969 7.2034e-07 au
q 3.748218958302997 2.027e-06 au
i 7.356478065100585 4.1806e-05 deg
node 65.66931688813983 0.00015348 deg
peri 150.0569129867963 0.00051901 deg
M 77.23971374814987 0.00042045 deg
tp 2455139.715574949224
(2009-Nov-04.21557495)
0.0036951 TDB
period 3037.846486373077
8.32
0.00079962
2.189e-06
d
yr
n .1185050007019309 3.1193e-08 deg/d
Q 4.461751482104941 7.8295e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -1.986946617619056E-9 5.318E-11
ALN [SET] .0408373333128795 n/a
NK [SET] 2.6 n/a
NM [SET] 2. n/a
NN [SET] 3. n/a
R0 [SET] 5. n/a
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      4614 days (12.63 yr)  
   first obs. used      2005-11-01  
   last obs. used      2018-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .69789  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:28:34  

Additional Information
 Earth MOID = 2.74469 au 
 Jupiter MOID = .537315 au 
 T_jup = 3.023 
 Nongrav. accels. using CO driven g(r) 
[ 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 11.2   1. 24 from 73 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 10.   n/a 24 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2018.2   350P/2017 B2       
 2009.8   350P/2010 J5       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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