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JPL Small-Body Database Browser
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C/2016 VZ18 (PANSTARRS)
Classification: Comet          SPK-ID: 1003495
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457804.5 (2017-Feb-20.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9953228806569662 3.6582e-06  
a 194.6210571890053 0.15224 au
q .9102659111403901 2.0242e-07 au
i 24.03565078275875 4.9643e-05 deg
node 98.95478746642299 8.9901e-05 deg
peri 36.38623438901503 5.5694e-05 deg
M 359.9944168621939 6.55e-06 deg
tp 2457819.880094877764
(2017-Mar-07.38009488)
2.1573e-05 TDB
period 991706.5185017339
2715.14
1163.6
3.186
d
yr
n .0003630106218762044 4.2594e-07 deg/d
Q 388.3318484668703 0.30376 au
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      290 days  
   first obs. used      2016-10-08  
   last obs. used      2017-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .54351  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Oct-03 10:47:29  

Additional Information
 Earth MOID = .019756 au 
 Jupiter MOID = .432161 au 
 T_jup = 1.106 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.7   n/a MPO394763  
comet total magnitude M1 18.4   0.9 19 2 parameter fit from 141 observations, autocmod 2.6i
comet total magnitude slope K1 9.   n/a 19 autocmod 2.6i
comet nuclear magnitude M2 21.0   0.6 19 from 158 observations, autocmod 2.6i
comet nuclear magnitude slope K2 5.   n/a 19 autocmod 2.6i
comet nuclear phase coefficient PC 0.03   n/a 19 autocmod 2.6i

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2017.2   C/2016 VZ18       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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