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C/2015 F5 (SWAN-Xingming)
Classification: Halley-type Comet* [NEO]          SPK-ID: 1003382
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457134.5 (2015-Apr-22.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9777487519411481 5.5045e-05  
a 15.54986182340368 0.038707 au
q .3460038327134268 5.4463e-06 au
i 149.2566481258457 0.0010266 deg
node 287.7396794019127 0.0012632 deg
peri 13.39323631810063 0.004414 deg
M .4002398017995483 0.0015081 deg
tp 2457109.599618427982
(2015-Mar-28.09961843)
0.00085408 TDB
period 22396.91636269593
61.32
83.626
0.229
d
yr
n .01607364130714049 6.0016e-05 deg/d
Q 30.75371981409393 0.076552 au
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      43 days  
   first obs. used      2015-04-05  
   last obs. used      2015-05-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .91173  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:09  

Additional Information
 Earth MOID = .441576 au 
 Jupiter MOID = .599978 au 
 T_jup = -0.289 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 14.1   0.9 10 2 parameter fit from 98 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 10 autocmod 2.9c
comet nuclear magnitude M2 19.6   1. 10 from 155 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 10 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 10 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2015.2   C/2015 F5       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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