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186P/Garradd
Classification: Jupiter-family Comet          SPK-ID: 1002441
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455729.5 (2011-Jun-17.0) TDB
Reference: JPL 62 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1270539178168337 1.8698e-07  
a 4.949083715948849 1.8898e-07 au
q 4.320283240234054 8.9541e-07 au
i 28.554614850281 1.4708e-05 deg
node 327.6005591761173 4.2911e-05 deg
peri 287.2726791942438 0.0002231 deg
M 99.7333175636232 0.00017723 deg
tp 2454615.402006298445
(2008-May-28.90200630)
0.0019663 TDB
period 4021.477351103863
11.01
0.00023034
6.306e-07
d
yr
n .08951934042378304 5.1274e-09 deg/d
Q 5.577884191663645 2.1299e-07 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      16570 days (45.37 yr)  
   first obs. used      1975-05-31  
   last obs. used      2020-10-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .73993  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:27:48  

Additional Information
 Earth MOID = 3.4313 au 
 Jupiter MOID = .276755 au 
 T_jup = 2.751 
[ 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 6.8   01. 62 from 205 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 13.25   n/a 62 autocmod 2.9c
comet nuclear magnitude M2 12.6   0.8 62 from 126 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 62 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 62 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2008.4   186P/2007 B3       
 1975.4   186P/1977 O1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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