STRI 发表于 2025-3-21 18:54:07

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fastness 发表于 2025-3-21 21:15:01

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minion 发表于 2025-3-22 00:47:48

https://doi.org/10.1007/978-94-011-4527-5astronomy; chaos; cosmology; planet; solar system; star

VERT 发表于 2025-3-22 06:04:18

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Entirety 发表于 2025-3-22 10:22:03

The Use of Geocentric Variables to Search for Meteoroid Streams and Their ParentsA set of geocentric variables suitable for the identification of meteoroid streams has been recently proposed and successfully applied to photographic meteor orbits. We describe these variables and the secular invariance of some of them, and discuss their use to improve the search for meteoroid stream parents.

Anticlimax 发表于 2025-3-22 15:02:49

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吹牛大王 发表于 2025-3-22 19:13:45

Periodic Orbits Around a Massive Straight SegmentIn this paper, we consider the motion of a particle under the gravitational field of a massive straight segment This model is used as an approximation to the gravitational field of irregular shaped bodies, such as asteroids, comet nuclei and planets’s moons. For this potential, we find several families of periodic orbits and bifurcations.

搜寻 发表于 2025-3-22 22:43:08

Bianchi Cosmologies as Dynamical Systemsianchi class A cosmological models. We introduce new variables in which the Hamiltonian constraint for all the class A models is solved algebraically. We present results of dimension reduction of the investigated models.

PTCA635 发表于 2025-3-23 05:03:55

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制定法律 发表于 2025-3-23 07:45:39

Trojans in Stable Chaotic Motionper elements. For each time interval we compared the root mean squares of the orbital elements (a, e and i) with the corresponding proper element It turned out that the variations of the proper elements .. in the different time intervals are correlated with the corresponding r.m.s.(e); this is not the case for sin .. with r.m.s.(i).
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查看完整版本: Titlebook: Impact of Modern Dynamics in Astronomy; Proceedings of the I J. Henrard,S. Ferraz-Mello Conference proceedings 1999 Springer Science+Busine