IAU 102 · ACE

alpha Centaurids

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.

2 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: 319.4 °
Radiant right ascension: 210.9 °
Radiant declination: -58.2 °
Right ascension drift: Not reported
Declination drift: Not reported
Geocentric speed: 59.3 km/s
Semimajor axis: Not reported
Perihelion distance: Not reported
Eccentricity: Not reported
Argument of perihelion: Not reported
Ascending node: Not reported
Inclination: Not reported
Observed members: Not reported
Technique: P
Submitted on: SD
Reported parent body: Not reported

Reference: 1) Jacchia and Whipple, 1961

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: 319.4 °
Radiant right ascension: 212.1 °
Radiant declination: -59.4 °
Right ascension drift: 1.9 °/day
Declination drift: -0.5 °/day
Geocentric speed: 58.2 km/s
Semimajor axis: Not reported
Perihelion distance: 0.977 AU
Eccentricity: Not reported
Argument of perihelion: 348.9 °
Ascending node: 138.9 °
Inclination: 107 °
Observed members: Not reported
Technique: Not reported
Submitted on: SD
Reported parent body: Not reported

Reference: 2) Jenniskens, 1994

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