NDLI: Possible meteoroid streams associated with (69230) Hermes and 2002 SY$

Content Provider	Springer Nature Link
Author	Jopek, T. J. Valsecchi, G. B. Froeschlé, Cl.
Copyright Year	2005
Abstract	The orbits of (69230) Hermes and 2002 SY$_{50}$ are similar and the Earth approaches both of them twice: at the end of October the local orbital minimum distances are smaller than 0.007 AU, and at the end of April the distances are smaller than 0.04 AU. This gives us opportunities to observe the meteors associated with these asteroids. Using the geocentric parameters of the orbital close encounters (the theoretical radiants) and our D $_{ N }$ distance function (Valsecchi et al. Mon. Not. R. Astron. Soc. 304 (1999) 743), we searched for meteoroids originated by Hermes and 2002 SY$_{50}$. A search among 1830 good quality photographic meteors gave negative results: we found no meteor dynamically similar to Hermes or 2002 SY$_{50}$. In a second search, done in a set of 62150 radio meteors, we applied two methods (M1, M2) and in both cases we found two streams; the streams found with the M1 method had 43 and 30 members, those found with the M2 method had 39 and 14 members. However, these results do not look convincing, due to the small number of common members in the corresponding streams. We therefore conclude that amongst the IAU meteors used in our search there are no compact streams associated with Hermes and 2002 SY$_{50}$.
Starting Page	5
Ending Page	10
Page Count	6
File Format	PDF
ISSN	01679295
Journal	Earth, Moon, and Planets
Volume Number	95
Issue Number	1-4
e-ISSN	15730794
Language	English
Publisher	Springer Netherlands
Publisher Date	2005-07-16
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	Asteroids meteoroid streams Astrophysics Extraterrestrial Physics, Space Sciences Planetology Astronomy
Content Type	Text
Resource Type	Article
Subject	Astronomy and Astrophysics Space and Planetary Science

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