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JPL Small-Body Database Browser
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P/2005 T4 (SWAN)
Classification: Halley-type Comet* [NEO]          SPK-ID: 1001673
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2453667.5 (2005-Oct-24.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .930352025978477 0.0014125  
a 9.324029670640341 0.18912 au
q .6493997762766682 7.7662e-06 au
i 160.036223032564 0.00066635 deg
node 25.42251055284711 0.0038937 deg
peri 41.44406757900214 0.01067 deg
M .4660405028761436 0.014303 deg
tp 2453654.037520388410
(2005-Oct-10.53752039)
0.0046888 TDB
period 10399.29497600001
28.47
316.39
0.8662
d
yr
n .03461773137802372 0.0010532 deg/d
Q 17.99865956500402 0.36507 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      17 days  
   first obs. used      2005-10-14  
   last obs. used      2005-10-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .67104  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:30:53  

Additional Information
 Earth MOID = .157253 au 
 Jupiter MOID = .354569 au 
 T_jup = -0.365 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 15.4   1. 7 from 8 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 10.   n/a 7 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2005.8   P/2005 T4       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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