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C/2002 T7 (LINEAR)
Classification: Hyperbolic Comet          SPK-ID: 1000418
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2452959.5 (2003-Nov-16.0) TDB
Reference: JPL 145 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000486281134781 3.9887e-07  
a -1263.766984784838 1.036 au
q .61454604345993 4.6131e-07 au
i 160.5827153342453 1.1296e-05 deg
node 94.85657322180674 2.1039e-05 deg
peri 157.7390844456747 4.2238e-05 deg
M -.003489555336121167 4.2906e-06 deg
tp 2453118.562031156877
(2004-Apr-23.06203116)
3.0061e-05 TDB
period n/a
n/a
n/a
n/a
d
yr
n 2.193833003854671E-5 2.6976e-08 deg/d
Q n/a n/a au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.213167390300054E-8 2.241E-10
A2 [EST] 9.573108853444814E-10 5.701E-11
A3 [EST] -1.803296794025546E-9 7.014E-11
  Orbit Determination Parameters
   # obs. used (total)      4397  
   data-arc span      1242 days (3.40 yr)  
   first obs. used      2002-10-12  
   last obs. used      2006-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .61784  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:30:22  

Additional Information
 Earth MOID = .255445 au 
 Jupiter MOID = .580112 au 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 7.6   1. 145 2 parameter fit from 844 observations, autocmod 2.9c
comet total magnitude slope K1 6.5   n/a 145 autocmod 2.9c

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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