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C/2002 A2 (LINEAR)
Classification: Jupiter-family Comet          SPK-ID: 1000370
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2452383.5 (2002-Apr-19.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7265048138993524 2.1313e-05  
a 17.21083882600201 0.0014659 au
q 4.707081567665671 3.6825e-05 au
i 14.05492764211528 4.992e-05 deg
node 81.92881653903481 0.00013992 deg
peri 19.26463816984318 0.0011034 deg
M 1.854331121020413 0.00034093 deg
tp 2452249.165900136517
(2001-Dec-05.66590014)
0.008186 TDB
period 26079.63346063128
71.40
3.3318
0.009122
d
yr
n .01380387498710214 1.7635e-06 deg/d
Q 29.71459608433835 0.0025308 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      863 days (2.36 yr)  
   first obs. used      2001-11-19  
   last obs. used      2004-03-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .56483  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:30:12  

Additional Information
 Earth MOID = 3.72696 au 
 Jupiter MOID = .172669 au 
 T_jup = 2.727 
[ 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 7.5   0.6 20 2 parameter fit from 72 observations, autocmod 2.9c
comet total magnitude slope K1 12.   n/a 20 autocmod 2.9c
comet nuclear magnitude M2 12.4   0.7 20 from 57 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 20 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 20 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2001.9   C/2002 A2       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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