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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 
[ hide covariance matrix ]
Orbit Covariance (10×10)
  e q tp node peri i A1 A2 A3 DT
e 1.932935233456015E-14 -9.769483550403263E-14 -1.687801721865433E-11 -3.466472254215819E-12 3.501649644508245E-12 -1.733456362817177E-13 2.331251701834262E-17 3.821405645316828E-18 2.413370154525392E-18 4.689333801497639E-7
q -9.769483550403263E-14 4.976288104477225E-13 9.254932872922359E-11 1.847641667742157E-11 -1.869596336044413E-11 5.600662984792742E-13 -1.196051690691433E-16 -2.161149914519819E-17 -9.458217908220685E-18 -2.676196385667991E-6
tp -1.687801721865433E-11 9.254932872922359E-11 3.605436724799255E-8 4.576540892016216E-9 -3.626422157899822E-9 -6.463586712770006E-10 -3.419971237593041E-14 -2.816103581724444E-15 5.384246902473023E-15 -.00100634778512394
node -3.466472254215819E-12 1.847641667742157E-11 4.576540892016216E-9 1.30007715831338E-9 -1.246477938016152E-9 -8.740894734140124E-11 -1.75679296528253E-15 -2.522756333454067E-15 5.58219579261412E-16 -.0002055308759035844
peri 3.501649644508245E-12 -1.869596336044413E-11 -3.626422157899822E-9 -1.246477938016152E-9 1.418111195165594E-9 -5.361857543208314E-11 4.279535632693144E-16 3.356528386327293E-15 8.499925331650438E-16 .0002129645036463409
i -1.733456362817177E-13 5.600662984792742E-13 -6.463586712770006E-10 -8.740894734140124E-11 -5.361857543208314E-11 2.718239887978176E-10 -1.958317028224197E-17 -7.447757642789772E-17 -2.574163657740598E-15 1.446592307770997E-5
A1 2.331251701834262E-17 -1.196051690691433E-16 -3.419971237593041E-14 -1.75679296528253E-15 4.279535632693144E-16 -1.958317028224197E-17 1.320927814710349E-19 -5.320301533024638E-20 -3.831991103066014E-21 -9.070392416083244E-10
A2 3.821405645316828E-18 -2.161149914519819E-17 -2.816103581724444E-15 -2.522756333454067E-15 3.356528386327293E-15 -7.447757642789772E-17 -5.320301533024638E-20 3.83498187401544E-20 4.562094034167091E-21 1.158084010853523E-9
A3 2.413370154525392E-18 -9.458217908220685E-18 5.384246902473023E-15 5.58219579261412E-16 8.499925331650438E-16 -2.574163657740598E-15 -3.831991103066014E-21 4.562094034167091E-21 2.798786520689027E-20 -4.363996505412578E-11
DT 4.689333801497639E-7 -2.676196385667991E-6 -.00100634778512394 -.0002055308759035844 .0002129645036463409 1.446592307770997E-5 -9.070392416083244E-10 1.158084010853523E-9 -4.363996505412578E-11 71.50728580754792

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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