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JPL Small-Body Database Browser
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66P/du Toit
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000021
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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:
Orbital Elements at Epoch 2456961.5 (2014-Oct-31.0) TDB
Reference: JPL K184/8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7865681713017859 1.2927e-07  
a 6.022772962563499 1.1607e-07 au
q 1.285451447234088 7.8357e-07 au
i 18.6689713312349 1.665e-05 deg
node 21.99985095509755 3.0737e-05 deg
peri 257.342734110419 4.9163e-05 deg
M 273.4820324828293 4.8278e-06 deg
tp 2458258.968947685299
(2018-May-20.46894769)
5.1606e-05 TDB
period 5398.749353121446
14.78
0.00015606
4.273e-07
d
yr
n .0666821103283588 1.9276e-09 deg/d
Q 10.76009447789291 2.0736e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 7.681995007508509E-10 1.67E-10
A2 [EST] -8.894690955671997E-11 6.203E-13
  Orbit Determination Parameters
   # obs. used (total)      547  
   data-arc span      16304 days (44.64 yr)  
   first obs. used      1974-03-22  
   last obs. used      2018-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70648  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2019-Jun-03 14:53:20  

Additional Information
 Earth MOID = .438277 au 
 Jupiter MOID = .864323 au 
 T_jup = 2.123 
[ 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 15.7   0.8 K184/8 2 parameter fit from 283 observations, autocmod 2.7
comet total magnitude slope K1 7.   n/a K184/8 autocmod 2.7

66P/du Toit          Discovered 1944-May-16 by du Toit, D. at Boyden Observatory, South Africa
Reference: comet.disLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1974.0   66P/1974 F2   1974 IV   
 1944.5   66P/1944 K1   1944 III   1944c 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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