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C/2003 T4 (LINEAR)
Classification: Hyperbolic Comet          SPK-ID: 1000459
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2453298.5 (2004-Oct-20.0) TDB
Reference: JPL 133 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000474480851945 1.5524e-06  
a -1790.885861225155 5.8573 au
q .8497410491703915 1.4327e-06 au
i 86.76119282625949 2.1284e-05 deg
node 93.9028754712548 3.1918e-05 deg
peri 181.6792730367811 0.00010663 deg
M -.002154323370674345 1.0568e-05 deg
tp 2453464.156576008358
(2005-Apr-03.65657601)
7.2997e-05 TDB
period n/a
n/a
n/a
n/a
d
yr
n 1.300475612006885E-5 6.38e-08 deg/d
Q n/a n/a au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.101830156580467E-7 6.265E-10
A2 [EST] -2.30376326188037E-9 3.19E-10
A3 [EST] 3.699861548838912E-9 1.939E-10
  Orbit Determination Parameters
   # obs. used (total)      955  
   data-arc span      816 days (2.23 yr)  
   first obs. used      2003-10-15  
   last obs. used      2006-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      1.0255  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:30:34  

Additional Information
 Earth MOID = .167229 au 
 Jupiter MOID = 4.01023 au 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 9.2   1. 133 2 parameter fit from 262 observations, autocmod 2.9c
comet total magnitude slope K1 6.75   n/a 133 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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