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IAU 373 · TPR
theta Perseids
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.
1 parameter sets returned for this shower. List-page filters do not hide sets here.
Parameter set 0
- MDC status code
- 0
- MDC status
- single shower, working list
- Activity
- annual
- Shower group
- 00000
- Peak solar longitude
- 106 °
- Radiant right ascension
- 41.1 °
- Radiant declination
- 47.6 °
- Right ascension drift
- 0.87 °/day
- Declination drift
- -0.07 °/day
- Geocentric speed
- 53 km/s
- Semimajor axis
- 4.53 AU
- Perihelion distance
- 0.4617 AU
- Eccentricity
- 0.898
- Argument of perihelion
- 81.16 °
- Ascending node
- 106 °
- Inclination
- 104.4 °
- Observed members
- 657
- 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)