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IAU 372 · PPS

phi Piscids

Measurements from the IAU Meteor Data Center. Each parameter set describes an observation campaign; values and proposed parent bodies may differ between sets.

An activity peak is expressed as solar longitude, not a guaranteed calendar date or observing forecast. Radiant coordinates and orbital elements are reported as supplied by the source. Missing values are not reported; these data do not predict an hourly meteor rate.

3 parameter sets returned for this shower. List-page filters do not hide sets here.

Parameter set 0

MDC status code
1
MDC status
single established shower, group
Activity
annual
Shower group
00000
Peak solar longitude
106 °
Radiant right ascension
20.1 °
Radiant declination
24.1 °
Right ascension drift
1.56 °/day
Declination drift
0.36 °/day
Geocentric speed
62.9 km/s
Semimajor axis
2.09 AU
Perihelion distance
0.8559 AU
Eccentricity
0.59
Argument of perihelion
125.02 °
Ascending node
106 °
Inclination
152.6 °
Observed members
1,395
Technique
R
Submitted on
SD
Reported parent body
Not reported

Reference: 1) Brown et al., 2010

Source: IAU Meteor Data Center (Jenniskens et al. 2020; Hajdukova & Rudawska)

Parameter set 1

MDC status code
1
MDC status
single established shower, group
Activity
annual
Shower group
00000
Peak solar longitude
94 °
Radiant right ascension
12.9 °
Radiant declination
22 °
Right ascension drift
Not reported
Declination drift
Not reported
Geocentric speed
67.1 km/s
Semimajor axis
Not reported
Perihelion distance
0.883 AU
Eccentricity
0.898
Argument of perihelion
136.7 °
Ascending node
97.7 °
Inclination
152.6 °
Observed members
43
Technique
T
Submitted on
SD
Reported parent body
Not reported

Reference: 2) Holman and Jenniskens 2013

Source: IAU Meteor Data Center (Jenniskens et al. 2020; Hajdukova & Rudawska)

Parameter set 2

MDC status code
1
MDC status
single established shower, group
Activity
annual
Shower group
00000
Peak solar longitude
103 °
Radiant right ascension
17 °
Radiant declination
25 °
Right ascension drift
0.97 °/day
Declination drift
0.38 °/day
Geocentric speed
66.5 km/s
Semimajor axis
6.63 AU
Perihelion distance
0.889 AU
Eccentricity
0.882
Argument of perihelion
136.9 °
Ascending node
102.9 °
Inclination
150.4 °
Observed members
379
Technique
T
Submitted on
SD
Reported parent body
Not reported

Reference: 3) Jenniskens et al., 2016, Icarus, 266, 331

Source: IAU Meteor Data Center (Jenniskens et al. 2020; Hajdukova & Rudawska)