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332P/Ikeya-Murakami-E
Classification: Encke-type Comet          SPK-ID: 1003458
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457424.5 (2016-Feb-06.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4905761372365768 0.0032085  
a 3.087719705873001 0.020762 au
q 1.572958099696565 0.0016155 au
i 9.38850860696523 0.03112 deg
node 3.775390325315895 0.10821 deg
peri 152.4821915526311 0.40191 deg
M 352.6782184358947 0.041341 deg
tp 2457464.805981241953
(2016-Mar-17.30598124)
0.49407 TDB
period 1981.779041079072
5.43
19.989
0.05473
d
yr
n .1816549638167438 0.0018322 deg/d
Q 4.602481312049436 0.030948 au
  Orbit Determination Parameters
   # obs. used (total)      8  
   data-arc span      47 days  
   first obs. used      2016-01-18  
   last obs. used      2016-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .22407  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:28:27  

Additional Information
 Earth MOID = .588802 au 
 Jupiter MOID = .454867 au 
 T_jup = 3.010 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet nuclear magnitude M2 22.5   0.4 6 from 8 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 6 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 6 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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