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113P/Spitaler
Classification: Jupiter-family Comet          SPK-ID: 1000146
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2453407.5 (2005-Feb-06.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4224626710610525 1.1409e-07  
a 3.686313117214168 2.5979e-08 au
q 2.128983431348476 4.224e-07 au
i 5.776051493793135 2.5174e-05 deg
node 14.47946726688581 8.9922e-05 deg
peri 49.92617016882277 9.5151e-05 deg
M 200.9417895659274 1.2539e-05 deg
tp 2454549.695251822569
(2008-Mar-24.19525182)
8.6813e-05 TDB
period 2585.156022653464
7.08
2.7328e-05
7.482e-08
d
yr
n .1392565852294237 1.4721e-09 deg/d
Q 5.24364280307986 3.6955e-08 au
  Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      45787 days (125.36 yr)  
   first obs. used      1890-11-17  
   last obs. used      2016-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .78781  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 13:30:08  

Additional Information
 Earth MOID = 1.14698 au 
 Jupiter MOID = .476104 au 
 T_jup = 2.930 
[ 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 13.4   0.5 35 2 parameter fit from 330 observations, autocmod 2.8
comet total magnitude slope K1 12.   n/a 35 autocmod 2.8
comet nuclear magnitude M2 16.2   0.8 35 from 85 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 35 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 35 autocmod 2.8
diameter diameter 2.2 km n/a DASTCOM value unverified

113P/Spitaler          Discovered 1890-Nov-17 by Spitaler, Rudolf at Vienna Observatory
Reference: comet.disLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1994.1   113P/1993 U2   1994 III   1993r 
 1887.9   113P/1890 W1   1890 VII   1890f 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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