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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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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 2455541.5 (2010-Dec-11.0) TDB
Reference: JPL K204/4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6627204802978975 5.5409e-07  
a 4.077275817399543 2.625e-06 au
q 1.375181629385515 2.5187e-06 au
i 13.49093833024788 3.629e-05 deg
node 160.642138947886 0.00028438 deg
peri 200.4362162637561 0.00048612 deg
M 301.4468190400507 0.013455 deg
tp 2456030.604385269250
(2012-Apr-13.10438527)
0.11286 TDB
period 3007.139421125011
8.23
0.002904
7.951e-06
d
yr
n .1197151011592669 1.1561e-07 deg/d
Q 6.779370005413571 4.3646e-06 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 2.172499881673476E-8 9.379E-10
A2 [EST] -7.136039119128458E-9 5.263E-10
A3 [EST] -5.50364010843098E-9 1.353E-10
DT [EST] -12.21360392297378 1.609
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      9113 days (24.95 yr)  
   first obs. used      1995-11-03  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .95325  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2020-Oct-19 10:21:57  

Additional Information
 Earth MOID = .378667 au 
 Jupiter MOID = .286686 au 
 T_jup = 2.565 
[ 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 8.5   1. K204/4 2 parameter fit from 112 observations, autocmod 2.9a
comet total magnitude slope K1 29.   n/a K204/4 autocmod 2.9a
comet nuclear magnitude M2 16.3   0.08 K204/4 from 3 observations, autocmod 2.9a
comet nuclear magnitude slope K2 5.   n/a K204/4 autocmod 2.9a
comet nuclear phase coefficient PC 0.03   n/a K204/4 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

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Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1987.6       1987 VIII   1987t 
 1979.3       1978 XXVI   1978q 
 1971.1   58P/1970 R1   1970 IX   1970k 
 1938.2   58P/1936 S1   1936 IV   1936c 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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