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JPL Small-Body Database Browser
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P/2017 B4 (PANSTARRS)
Classification: Jupiter-family Comet          SPK-ID: 1003497
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457785.5 (2017-Feb-01.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3579161814718366 0.0018075  
a 4.417533043853778 0.019799 au
q 2.836426485271975 0.017113 au
i 20.49401502848363 0.25292 deg
node 121.7848926339698 0.18959 deg
peri 14.74311461491427 1.198 deg
M 1.076873828291688 0.53593 deg
tp 2457775.355504390285
(2017-Jan-21.85550439)
5.0581 TDB
period 3391.315048756291
9.28
22.8
0.06242
d
yr
n .106153511196792 0.00071367 deg/d
Q 5.998639602435581 0.026886 au
  Orbit Determination Parameters
   # obs. used (total)      50  
   data-arc span      8 days  
   first obs. used      2017-01-28  
   last obs. used      2017-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      7  
   norm. resid. RMS      .45767  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Mar-08 15:47:15  

Additional Information
 Earth MOID = 1.85575 au 
 Jupiter MOID = .643303 au 
 T_jup = 2.790 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 14.5   0.5 2 from 37 observations, assumed slope, autocmod 2.6g
comet total magnitude slope K1 10.   n/a 2 autocmod 2.6g

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2017.1   P/2017 B4       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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