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JPL Small-Body Database Browser
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C/2017 U5 (PANSTARRS)
Classification: Jupiter-family Comet          SPK-ID: 1003547
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458083.5 (2017-Nov-26.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .744570950278529 5.1415e-05  
a 16.93908961714795 0.0034224 au
q 4.326735564054935 0.00010837 au
i 18.95654464489888 0.00015122 deg
node 163.1151977876354 0.002677 deg
peri 262.1522057057237 0.033259 deg
M 359.6731844366767 0.0029512 deg
tp 2458106.617121445608
(2017-Dec-19.11712145)
0.21447 TDB
period 25464.40455831855
69.72
7.7174
0.02113
d
yr
n .01413738142494274 4.2846e-06 deg/d
Q 29.55144367024096 0.0059707 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      108 days  
   first obs. used      2017-10-30  
   last obs. used      2018-02-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .39882  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 19:59:57  

Additional Information
 Earth MOID = 3.407 au 
 Jupiter MOID = .723892 au 
 T_jup = 2.585 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 11.8   0.6 6 from 71 observations, assumed slope, autocmod 2.8
comet total magnitude slope K1 10.   n/a 6 autocmod 2.8

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2018.0   C/2017 U5       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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