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268P/Bernardi
Classification: Jupiter-family Comet          SPK-ID: 1001677
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454255.5 (2007-Jun-04.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4802189069971182 2.6422e-07  
a 4.522800413069187 2.991e-07 au
q 2.350866142138987 1.2407e-06 au
i 15.67402117579324 3.402e-05 deg
node 129.1527364763804 0.00011714 deg
peri 358.3053971345503 0.00013665 deg
M 67.51314459688332 3.6753e-05 deg
tp 2453596.636577835635
(2005-Aug-14.13657784)
0.00036733 TDB
period 3513.254098819167
9.62
0.0003485
9.541e-07
d
yr
n .1024691041052223 1.0165e-08 deg/d
Q 6.694734683999386 4.4273e-07 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      4182 days (11.45 yr)  
   first obs. used      2004-09-22  
   last obs. used      2016-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   norm. resid. RMS      .22265  
   source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 15:37:05  

Additional Information
 Earth MOID = 1.36733 au 
 Jupiter MOID = .892021 au 
 T_jup = 2.725 
[ 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 13.9   0.9 20 from 54 observations, assumed slope, autocmod 2.6f
comet total magnitude slope K1 11.   n/a 20 autocmod 2.6f
comet nuclear magnitude M2 17.1   0.4 20 from 8 observations, autocmod 2.6f
comet nuclear magnitude slope K2 5.   n/a 20 autocmod 2.6f
comet nuclear phase coefficient PC 0.03   n/a 20 autocmod 2.6f

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2015.2   268P/2012 P2       
 2005.6   268P/2005 V1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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