The structure of κ Cygnid and August Draconid meteoroid streams

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Table 3

Orbital elements of previously proposed parent bodies of κ Cygnids (upper part) and objects with similar (a, q, i) as κ Cygnids (lower part).

Object	a	^q	i	ω	Ω	π	H
	(AU)	(AU)	(°)	(°)	(°)	(°)	(mag)
153311 (2001 MG1)	2.50	0.89	28	219	142	1	17.4
144861 (2004 LA12)	2.51	0.63	39	199	159	359	15.4
361861 (2008 ED69)	2.91	0.76	36	173	150	323	17.0
(2021 HK12)	3.29	1.04	47	169	187	356	17.7

		0.94	28	190	130	335
κ Cygnids	3.7	1.01	44	215	154	355

(2001 XQ)	3.63	1.01	29	190	251	80	19.2
(2010 HY22)	3.66	1.01	44	343	19	2	16.7
(2015 OA22)	3.51	1.07	45	357	347	344	19.8
21P/Giacobini-Zinner	3.5	1.01	32	173	195	8

Notes. Semimajor axis, perihelion distance, inclination, argument of perihelion, longitude of the ascending node, longitude of the perihelion, and absolute magnitude are given. Upper and lower limits are given for κ Cygnids.

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