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330P/Catalina
Classification: Jupiter-family Comet          SPK-ID: 1000281
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455384.5 (2010-Jul-07.0) TDB
Reference: JPL 50 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5490031457727758 2.562e-07  
a 6.589429855731228 2.2985e-07 au
q 2.971812136085736 1.6085e-06 au
i 15.54256450528221 2.1018e-05 deg
node 294.32749696 7.0826e-05 deg
peri 186.7525253652256 0.00035997 deg
M 228.9223015897988 0.00011142 deg
tp 2457634.054358939640
(2016-Sep-02.55435894)
0.0020185 TDB
period 6178.316975660628
16.92
0.00032326
8.85e-07
d
yr
n .05826829562455499 3.0487e-09 deg/d
Q 10.20704757537672 3.5603e-07 au
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      6358 days (17.41 yr)  
   first obs. used      1999-11-05  
   last obs. used      2017-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .7459  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Jun-06 16:14:33  

Additional Information
 Earth MOID = 1.98765 au 
 Jupiter MOID = 1.42725 au 
 T_jup = 2.602 
[ 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 9.5   0.7 50 2 parameter fit from 233 observations, autocmod 2.6i
comet total magnitude slope K1 14.   n/a 50 autocmod 2.6i
comet nuclear magnitude M2 14.4   0.4 50 from 25 observations, autocmod 2.6i
comet nuclear magnitude slope K2 5.   n/a 50 autocmod 2.6i
comet nuclear phase coefficient PC 0.03   n/a 50 autocmod 2.6i

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2016.7   330P/2015 U1       
 1999.8   330P/1999 V1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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