IAU 427 · FED
February eta Draconids
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
- 2011
- Shower group
- 00000
- Peak solar longitude
- 315.11 °
- Radiant right ascension
- 239.92 °
- Radiant declination
- 62.49 °
- Right ascension drift
- Not reported
- Declination drift
- Not reported
- Geocentric speed
- 35.6 km/s
- Semimajor axis
- -250 AU
- Perihelion distance
- 0.971 AU
- Eccentricity
- Not reported
- Argument of perihelion
- 194.09 °
- Ascending node
- 315.07 °
- Inclination
- 55.2 °
- Observed members
- 6
- Technique
- T
- Submitted on
- SD
- Reported parent body
- Not reported
Reference: 1) Jenniskens and Gural, 2011
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
- 315 °
- Radiant right ascension
- 239.6 °
- Radiant declination
- 62.4 °
- Right ascension drift
- 0.26 °/day
- Declination drift
- -0.2 °/day
- Geocentric speed
- 35.1 km/s
- Semimajor axis
- 18.58 AU
- Perihelion distance
- 0.971 AU
- Eccentricity
- 0.975
- Argument of perihelion
- 194.3 °
- Ascending node
- 315.1 °
- Inclination
- 54.7 °
- Observed members
- 9
- Technique
- T
- Submitted on
- SD
- Reported parent body
- Not reported
Reference: 2) Jenniskens et al., 2016, Icarus, 266, 331
Source: IAU Meteor Data Center (Jenniskens et al. 2020; Hajdukova & Rudawska)