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33P/Daniel
Classification: Jupiter-family Comet          SPK-ID: 1000018
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2454952.5 (2009-May-01.0) TDB
Reference: JPL K084/7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.4619610780504002089941 4.6292e-07  
a 4.0322648712397013426311 4.4837e-07 AU
q 2.1695154443370507912902 1.737e-06 AU
i 22.374569417811109417471 1.6453e-05 deg
node 66.56463590864907 5.2783e-05 deg
peri 18.96396783509159 0.00018178 deg
M 34.65417307778618 6.9943e-05 deg
tp 2454667.808143396562
(2008-Jul-20.30814340)
0.00058334 JED
period 2957.481286515956
8.10
0.00049329
1.351e-06
d
yr
n .1217251996289369 2.0303e-08 deg/d
Q 5.895014298142352 6.555e-07 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 3.823178055313947E-9 4.221E-10
A2 [EST] 5.962458833985652E-10 1.608E-11
A3 [EST] 2.556290398772548E-9 2.934E-10
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      8672 days (23.74 yr)  
   first obs. used      1985-07-27  
   last obs. used      2009-04-24  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      1  
   fit RMS      .95728  
   data source      ORB  
   producer      Nick Mastrodemos  
   solution date      2009-May-08 13:30:57  

Additional Information
 Earth MOID = 1.19449 AU 
 T_jup = 2.734 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 11.3 mag 1. K084/7 from 69 observations, assumed slope, autocmod 2.4a
comet total magnitude slope K1 12.   n/a K084/7 autocmod 2.4a
diameter diameter 2.6 km n/a Scotti,J (1994) BAAS 26:1375  

33P/Daniel          Discovered 1909-Dec-07 by Daniel, Zaccheus at Princeton University, New Jersey
Reference: comet.disLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1992.4       1992 XXIII   1992o 
 1984.3       1985 XI   1985j 
 1976.2       1978 XII   1979b 
 1960.0       1964 II   1964a 
 1951.9       1950 V   1950d 
 1943.8       1943 IV   
 1935.7   33P/1937 B1   1937 I   1937a 
 1911.4   33P/1909 X1   1909 IV   1909e 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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