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JPL Small-Body Database Browser
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P/2017 U3 (PANSTARRS)
Classification: Jupiter-family Comet          SPK-ID: 1003545
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458035.5 (2017-Oct-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .099714754455282 0.00020868  
a 4.936305743312106 0.00043842 au
q 4.444083228201541 0.00071225 au
i 15.90876007084423 0.00049795 deg
node 165.1509219336423 0.0017849 deg
peri 297.4618056024967 0.024591 deg
M 309.6718606242005 0.0204 deg
tp 2458595.528175861180
(2019-Apr-22.02817586)
0.17261 TDB
period 4005.912910958315
10.97
0.53369
0.001461
d
yr
n .08986715587730514 1.1973e-05 deg/d
Q 5.428528258422671 0.00048214 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      388 days (1.06 yr)  
   first obs. used      2016-10-30  
   last obs. used      2017-11-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .55045  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:00:12  

Additional Information
 Earth MOID = 3.49656 au 
 Jupiter MOID = .103861 au 
 T_jup = 2.918 
[ 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 11.1   0.8 6 from 41 observations, assumed slope, autocmod 2.8
comet total magnitude slope K1 10.   n/a 6 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2019.3   P/2017 U3       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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