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IAU 96 · NCC

Northern delta Cancrids

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.

7 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
00095
Peak solar longitude
296.3 °
Radiant right ascension
130 °
Radiant declination
20 °
Right ascension drift
Not reported
Declination drift
Not reported
Geocentric speed
26 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
Not reported
Submitted on
SD
Reported parent body
1991 AQ?

Reference: 1) IMO

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
1961
Shower group
00095
Peak solar longitude
300.2 °
Radiant right ascension
134.2 °
Radiant declination
14.1 °
Right ascension drift
1.1 °/day
Declination drift
Not reported
Geocentric speed
26.7 km/s
Semimajor axis
1.61 AU
Perihelion distance
0.371 AU
Eccentricity
0.77
Argument of perihelion
116.7 °
Ascending node
297.1 °
Inclination
0.3 °
Observed members
7
Technique
R
Submitted on
SD
Reported parent body
1991 AQ?

Reference: 2) Nilson, 1964

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
00095
Peak solar longitude
296.3 °
Radiant right ascension
126.6 °
Radiant declination
19.5 °
Right ascension drift
0.9 °/day
Declination drift
-0.2 °/day
Geocentric speed
26.2 km/s
Semimajor axis
2.273 AU
Perihelion distance
0.448 AU
Eccentricity
Not reported
Argument of perihelion
282.9 °
Ascending node
297.1 °
Inclination
0.3 °
Observed members
7
Technique
P
Submitted on
SD
Reported parent body
1991 AQ?

Reference: 3) Lindblad, 1971

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
1961/65
Shower group
00095
Peak solar longitude
292.9 °
Radiant right ascension
124.8 °
Radiant declination
20.8 °
Right ascension drift
Not reported
Declination drift
Not reported
Geocentric speed
25.8 km/s
Semimajor axis
1.901 AU
Perihelion distance
0.425 AU
Eccentricity
0.777
Argument of perihelion
287.9 °
Ascending node
292.9 °
Inclination
1.2 °
Observed members
27
Technique
R
Submitted on
SD
Reported parent body
1991 AQ?

Reference: 4) Sekanina, 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
1968/69
Shower group
00095
Peak solar longitude
297.1 °
Radiant right ascension
130.7 °
Radiant declination
19.7 °
Right ascension drift
Not reported
Declination drift
Not reported
Geocentric speed
26.4 km/s
Semimajor axis
1.829 AU
Perihelion distance
0.397 AU
Eccentricity
0.783
Argument of perihelion
291.3 °
Ascending node
120.2 °
Inclination
4.9 °
Observed members
6
Technique
R
Submitted on
SD
Reported parent body
1991 AQ?

Reference: 5) Sekanina, 1976

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
2013
Shower group
00095
Peak solar longitude
299 °
Radiant right ascension
131.4 °
Radiant declination
17.6 °
Right ascension drift
0.4 °/day
Declination drift
-0.2 °/day
Geocentric speed
29.9 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
900
Technique
V
Submitted on
SD
Reported parent body
1991 AQ?

Reference: 6) Molau et al., 2013

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
annual
Shower group
00095
Peak solar longitude
296 °
Radiant right ascension
127.6 °
Radiant declination
21.5 °
Right ascension drift
1.04 °/day
Declination drift
-0.25 °/day
Geocentric speed
27.2 km/s
Semimajor axis
2.23 AU
Perihelion distance
0.41 AU
Eccentricity
0.814
Argument of perihelion
286.6 °
Ascending node
290 °
Inclination
2.7 °
Observed members
74
Technique
T
Submitted on
SD
Reported parent body
1991 AQ?

Reference: 7) Jenniskens et al., 2016, Icarus, 266, 331

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