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IAU 5 · SDA

Southern delta Aquariids

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.

9 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
00297
Peak solar longitude
125.6 °
Radiant right ascension
342.1 °
Radiant declination
-15.4 °
Right ascension drift
Not reported
Declination drift
Not reported
Geocentric speed
40.5 km/s
Semimajor axis
3.107 AU
Perihelion distance
0.087 AU
Eccentricity
Not reported
Argument of perihelion
148.9 °
Ascending node
312.2 °
Inclination
26.4 °
Observed members
Not reported
Technique
P
Submitted on
SD
Reported parent body
Marsden group

Reference: 1) Dutch Meteor Society 2001

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
00297
Peak solar longitude
127.2 °
Radiant right ascension
340.4 °
Radiant declination
-16.3 °
Right ascension drift
0.73 °/day
Declination drift
0.26 °/day
Geocentric speed
40.2 km/s
Semimajor axis
Not reported
Perihelion distance
0.067 AU
Eccentricity
0.966
Argument of perihelion
154.5 °
Ascending node
307.2 °
Inclination
30.8 °
Observed members
2,413
Technique
R
Submitted on
SD
Reported parent body
Marsden group

Reference: 2) Galligan and Baggaley, 2002

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
00297
Peak solar longitude
126.7 °
Radiant right ascension
339.6 °
Radiant declination
-16.1 °
Right ascension drift
0.75 °/day
Declination drift
0.21 °/day
Geocentric speed
41.01 km/s
Semimajor axis
2.8 AU
Perihelion distance
0.079 AU
Eccentricity
Not reported
Argument of perihelion
150.6 °
Ascending node
306.7 °
Inclination
25.5 °
Observed members
28
Technique
P
Submitted on
SD
Reported parent body
Marsden group

Reference: 3) Kresak and Porubcan, 1970

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

Parameter set 3

MDC status code
1
MDC status
single established shower, group
Activity
annual
Shower group
00297
Peak solar longitude
125.6 °
Radiant right ascension
305.7 °
Radiant declination
-16.1 °
Right ascension drift
0.8 °/day
Declination drift
0.18 °/day
Geocentric speed
41.4 km/s
Semimajor axis
2.875 AU
Perihelion distance
0.069 AU
Eccentricity
Not reported
Argument of perihelion
152.8 °
Ascending node
152.8 °
Inclination
27.2 °
Observed members
13
Technique
Not reported
Submitted on
SD
Reported parent body
Marsden group

Reference: 4) Cook, 1973

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

Parameter set 4

MDC status code
1
MDC status
single established shower, group
Activity
annual
Shower group
00297
Peak solar longitude
126.5 °
Radiant right ascension
340.1 °
Radiant declination
-17 °
Right ascension drift
0.9 °/day
Declination drift
0.2 °/day
Geocentric speed
40.8 km/s
Semimajor axis
2.33 AU
Perihelion distance
0.07 AU
Eccentricity
Not reported
Argument of perihelion
152.4 °
Ascending node
306.5 °
Inclination
32.5 °
Observed members
48
Technique
R
Submitted on
SD
Reported parent body
Marsden group

Reference: 5) Nilson, 1964

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

Parameter set 5

MDC status code
1
MDC status
single established shower, group
Activity
annual
Shower group
00297
Peak solar longitude
128.2 °
Radiant right ascension
341 °
Radiant declination
-15.8 °
Right ascension drift
Not reported
Declination drift
Not reported
Geocentric speed
40.8 km/s
Semimajor axis
Not reported
Perihelion distance
0.078 AU
Eccentricity
0.972
Argument of perihelion
151.1 °
Ascending node
308.2 °
Inclination
26.9 °
Observed members
11
Technique
P
Submitted on
SD
Reported parent body
Marsden group

Reference: 6) Jopek et al., 2003

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

Parameter set 6

MDC status code
1
MDC status
single established shower, group
Activity
2002/06
Shower group
00297
Peak solar longitude
126.5 °
Radiant right ascension
341 °
Radiant declination
-16.1 °
Right ascension drift
0.78 °/day
Declination drift
0.25 °/day
Geocentric speed
41.1 km/s
Semimajor axis
2.38 AU
Perihelion distance
0.065 AU
Eccentricity
0.9726
Argument of perihelion
153.9 °
Ascending node
306.2 °
Inclination
30.9 °
Observed members
4,722
Technique
R
Submitted on
SD
Reported parent body
Marsden group

Reference: 7) Brown et al., 2008

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

Parameter set 7

MDC status code
1
MDC status
single established shower, group
Activity
2007/08
Shower group
00297
Peak solar longitude
129.7 °
Radiant right ascension
341.9 °
Radiant declination
-16.2 °
Right ascension drift
0.62 °/day
Declination drift
0.26 °/day
Geocentric speed
39.4 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
324
Technique
T
Submitted on
SD
Reported parent body
Marsden group

Reference: 8) SonotaCo, 2009

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

Parameter set 8

MDC status code
1
MDC status
single established shower, group
Activity
annual
Shower group
00297
Peak solar longitude
128 °
Radiant right ascension
341.3 °
Radiant declination
-15.7 °
Right ascension drift
0.95 °/day
Declination drift
0.38 °/day
Geocentric speed
41.3 km/s
Semimajor axis
2.59 AU
Perihelion distance
0.069 AU
Eccentricity
0.975
Argument of perihelion
152.9 °
Ascending node
306.6 °
Inclination
29 °
Observed members
1,382
Technique
T
Submitted on
SD
Reported parent body
2008 Y12, Marsden group

Reference: 9) Jenniskens et al., 2016, Icarus, 266, 331

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