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32P/Comas Sola
Classification: Jupiter-family Comet          SPK-ID: 1000015
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2455353.5 (2010-Jun-06.0) TDB
Reference: JPL K142/1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5546485799036236 1.3903e-07  
a 4.510068014450066 2.1979e-07 au
q 2.008565194966582 7.0543e-07 au
i 9.968516517217138 1.6487e-05 deg
node 57.84360276824752 3.6057e-05 deg
peri 53.30658848884395 3.7658e-05 deg
M 195.694158684553 1.0544e-05 deg
tp 2456950.200887307141
(2014-Oct-19.70088731)
0.00018988 TDB
period 3498.428995759207
9.58
0.00025573
7.002e-07
d
yr
n .1029033318773632 7.5221e-09 deg/d
Q 7.011570833933551 3.4169e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] -8.192712790761601E-9 3.634E-10
A2 [EST] 7.535444540844812E-10 1.958E-10
A3 [EST] -1.059058070811059E-9 1.673E-10
DT [EST] -187.2547654147808 8.456
  Orbit Determination Parameters
   # obs. used (total)      3117  
   data-arc span      4341 days (11.89 yr)  
   first obs. used      2004-07-20  
   last obs. used      2016-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   norm. resid. RMS      .64758  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2017-Feb-09 09:12:30  

Additional Information
 Earth MOID = 1.04298 au 
 Jupiter MOID = .245801 au 
 T_jup = 2.680 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 11.0   1. K142/1 2 parameter fit from 506 observations, autocmod 2.6h
comet total magnitude slope K1 9.   n/a K142/1 autocmod 2.6h
comet nuclear magnitude M2 13.4   0.7 K142/1 from 2353 observations, autocmod 2.6h
comet nuclear magnitude slope K2 5.   n/a K142/1 autocmod 2.6h
comet nuclear phase coefficient PC 0.03   n/a K142/1 autocmod 2.6h
diameter diameter 8.4 km n/a Scotti,J (1994) BAAS 26:1375  

32P/Comas Sola          Discovered 1926-Nov-06 by Comas Sola, Josep at Fabra Observatory, Spain
discovered on plate/photo taken on discovery date
Reference: comet.disLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1986.1       1987 XVIII   1986j 
 1976.5       1978 XVII   1977n 
 1966.9       1969 VIII   1968g 
 1957.3       1961 III   1960f 
 1947.8       1944 II   1951h 
 1938.2   32P/1935 P1   1935 IV   1935c 
 1928.6   32P/1926 V1   1927 III   1926f 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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