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P/2012 O3 (McNaught)
Classification: Jupiter-family Comet          SPK-ID: 1003201
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456174.5 (2012-Sep-04.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6488070622051638 6.9974e-06  
a 4.554329742700108 0.00010248 au
q 1.599448442025251 4.2199e-06 au
i 16.49672170524013 9.6617e-05 deg
node 336.9963402114882 4.4751e-05 deg
peri 343.6503537316458 0.00029634 deg
M 1.919371845353647 9.9526e-05 deg
tp 2456155.572565457623
(2012-Aug-16.07256546)
0.00048022 TDB
period 3550.055426597265
9.72
0.11982
0.000328
d
yr
n .101406867426028 3.4226e-06 deg/d
Q 7.509211043374965 0.00016896 au
  Orbit Determination Parameters
   # obs. used (total)      301  
   data-arc span      200 days  
   first obs. used      2012-07-23  
   last obs. used      2013-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .51518  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:32:20  

Additional Information
 Earth MOID = .593845 au 
 Jupiter MOID = .650017 au 
 T_jup = 2.508 
[ 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 15.8   0.5 22 2 parameter fit from 114 observations, autocmod 2.9c
comet total magnitude slope K1 15.   n/a 22 autocmod 2.9c
comet nuclear magnitude M2 18.0   0.4 22 from 163 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 22 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 22 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2012.6   P/2012 O3       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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