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269P/Jedicke
Classification: Jupiter-family Comet          SPK-ID: 1000166
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455129.5 (2009-Oct-25.0) TDB
Reference: JPL 79 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4346533481842522 1.0033e-07  
a 7.212203887361413 1.1986e-07 au
q 4.077395319932295 7.4983e-07 au
i 6.61166788171433 1.2274e-05 deg
node 248.994162469051 0.00012019 deg
peri 223.9172805770366 0.00012968 deg
M 265.4497432398416 2.0808e-05 deg
tp 2456987.563842327510
(2014-Nov-26.06384233)
0.00040871 TDB
period 7074.57606312674
19.37
0.00017636
4.828e-07
d
yr
n .05088644136238057 1.2685e-09 deg/d
Q 10.34701245479053 1.7196e-07 au
  Orbit Determination Parameters
   # obs. used (total)      900  
   data-arc span      8561 days (23.44 yr)  
   first obs. used      1993-10-12  
   last obs. used      2017-03-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52182  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 11:13:04  

Additional Information
 Earth MOID = 3.09815 au 
 Jupiter MOID = .293926 au 
 T_jup = 2.828 
[ 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 6.7   0.8 79 from 522 observations, assumed slope, autocmod 2.8
comet total magnitude slope K1 12.25   n/a 79 autocmod 2.8
comet nuclear magnitude M2 11.7   0.8 79 from 154 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 79 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 79 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2014.9   269P/2012 R2       
 1995.5   269P/1996 A1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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