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JPL Small-Body Database Browser
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C/1980 E1 (Bowell)
Classification: Hyperbolic Comet          SPK-ID: 1000541
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2444972.5 (1982-Jan-03.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.057731876173255 5.0344e-06  
a -58.26829222588107 0.0050785 au
q 3.363937831611605 1.9185e-06 au
i 1.661712630614323 3.8781e-05 deg
node 114.5581951921299 0.0013786 deg
peri 135.0826233919265 0.0013803 deg
M -.1513193748893878 1.9886e-05 deg
tp 2445040.787136080390
(1982-Mar-12.28713608)		 0.00042992 TDB
period n/a
n/a		 n/a
n/a		 d
yr
n .002215927970844309 2.897e-07 deg/d
Q n/a n/a au
   Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      2514 days (6.88 yr)  
   first obs. used      1980-02-11  
   last obs. used      1986-12-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   norm. resid. RMS      .84636  
   source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 19:42:24  

Additional Information
 Earth MOID = 2.35052 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 6.0   1. 5 2 parameter fit from 34 observations, autocmod 2.5c
comet total magnitude slope K1 7.   n/a 5 autocmod 2.5c

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