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58P/Jackson-Neujmin
Classification: Jupiter-family Comet          SPK-ID: 1000048
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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:
Orbital Elements at Epoch 2459045.5 (2020-Jul-15.0) TDB
Reference: JPL K201/2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6626222796241679 1.4768e-05  
a 4.082763353976304 0.00019529 au
q 1.377433393198512 5.9374e-06 au
i 13.10969157569631 3.7618e-05 deg
node 159.0788667626832 0.00030968 deg
peri 200.4439577030124 0.00067647 deg
M 5.803408896461962 0.000532 deg
tp 2458996.925268439575
(2020-May-27.42526844)
0.00099241 TDB
period 3013.212350488325
8.25
0.2162
0.0005919
d
yr
n .119473823324021 8.5723e-06 deg/d
Q 6.788093314754096 0.0003247 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      229 days  
   first obs. used      2020-04-08  
   last obs. used      2020-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .70444  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2021-Jan-19 12:54:34  

Additional Information
 Earth MOID = .380388 au 
 Jupiter MOID = .28247 au 
 T_jup = 2.567 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 9.2   1. K201/2 2 parameter fit from 108 observations, autocmod 2.9a
comet total magnitude slope K1 26.25   n/a K201/2 autocmod 2.9a
comet nuclear magnitude M2 16.3   0.08 K201/2 from 3 observations, autocmod 2.9a
comet nuclear magnitude slope K2 5.   n/a K201/2 autocmod 2.9a
comet nuclear phase coefficient PC 0.03   n/a K201/2 autocmod 2.9a

58P/Jackson-Neujmin          Discovered 1936-Sep-20 by Jackson, Cyril at Union Observatory, South Africa
discovered on plate/photo taken on 9/15
Reference: comet.disLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1987.4       1987 VIII   1987t 
 1979.2       1978 XXVI   1978q 
 1970.9   58P/1970 R1   1970 IX   1970k 
 1937.9   58P/1936 S1   1936 IV   1936c 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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