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404P/Bressi
Classification: Jupiter-family Comet          SPK-ID: 1003155
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456561.5 (2013-Sep-26.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0886843755661772 3.4074e-07  
a 5.294783261684529 2.5339e-06 au
q 4.825218714363789 3.8747e-06 au
i 9.773492877904793 2.6474e-05 deg
node 266.5140205226886 0.00014391 deg
peri 152.5325810218783 0.00060892 deg
M 45.63012009341926 0.00053501 deg
tp 2455997.447122921010
(2012-Mar-10.94712292)
0.006228 TDB
period 4450.109605951299
12.18
0.0031946
8.746e-06
d
yr
n .08089688386968233 5.8073e-08 deg/d
Q 5.764347809005269 2.7587e-06 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      3303 days (9.04 yr)  
   first obs. used      2011-10-24  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .45955  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 07:25:39  

Additional Information
 Earth MOID = 3.84099 au 
 Jupiter MOID = .244225 au 
 T_jup = 2.963 
[ 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 7.3   0.8 38 from 117 observations, assumed slope, autocmod 2.8
comet total magnitude slope K1 13.75   n/a 38 autocmod 2.8
comet nuclear magnitude M2 12.9   0.6 38 from 26 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 38 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 38 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2024.4   404P/2020 M6       
 2012.2   404P/2011 U2       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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