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C/2002 A1 (LINEAR)
Classification: Jupiter-family Comet          SPK-ID: 1000369
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2452431.5 (2002-Jun-06.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7257837772173068 3.0765e-05  
a 17.17971534085081 0.0021114 au
q 4.710956649249996 5.2929e-05 au
i 14.05750826880874 5.4255e-05 deg
node 81.80773692299958 0.00017775 deg
peri 18.90905950311701 0.0015443 deg
M 2.636023176138288 0.00063508 deg
tp 2452241.055210215675
(2001-Nov-27.55521022)
0.011412 TDB
period 26008.92319269968
71.21
4.7947
0.01313
d
yr
n .01384140348036579 2.5517e-06 deg/d
Q 29.64847403245161 0.0036438 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      839 days (2.30 yr)  
   first obs. used      2001-12-13  
   last obs. used      2004-03-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .59832  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:30:12  

Additional Information
 Earth MOID = 3.73056 au 
 Jupiter MOID = .173924 au 
 T_jup = 2.728 
[ 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 8.2   0.5 44 2 parameter fit from 23 observations, autocmod 2.9c
comet total magnitude slope K1 11.5   n/a 44 autocmod 2.9c
comet nuclear magnitude M2 13.0   0.5 44 from 36 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 44 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 44 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2001.9   C/2002 A1       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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