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P/2014 X1 (Elenin)
Classification: Jupiter-family Comet          SPK-ID: 1003364
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457045.5 (2015-Jan-23.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .710004272131517 3.9727e-06  
a 6.25829420741601 9.3147e-05 au
q 1.814878583894717 2.2963e-06 au
i 25.97140630288299 3.1844e-05 deg
node 61.56936341476337 3.8234e-05 deg
peri 34.36791819261871 0.0001906 deg
M .9605856096376139 3.2281e-05 deg
tp 2457030.241355104131
(2015-Jan-07.74135510)
0.00033966 TDB
period 5718.503491412022
15.66
0.12767
0.0003495
d
yr
n .06295353330476121 1.4055e-06 deg/d
Q 10.7017098309373 0.00015928 au
  Orbit Determination Parameters
   # obs. used (total)      618  
   data-arc span      251 days  
   first obs. used      2014-09-04  
   last obs. used      2015-05-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      3  
   norm. resid. RMS      .47805  
   source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:26:32  

Additional Information
 Earth MOID = .875992 au 
 T_jup = 2.220 
[ 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 12.8   1. 13 from 199 observations, assumed slope, autocmod 2.6
comet total magnitude slope K1 16.   n/a 13 autocmod 2.6
comet nuclear magnitude M2 15.7   0.7 13 from 353 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 13 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 13 autocmod 2.6

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2015.0   P/2014 X1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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