Natural and technogeneous contamination of near-Earth space

Адушкин, В. В.; Veniaminov, S. S.; Козлов, С. И.; Doronin, A P; Silnikov, М.V.

doi:10.1016/j.actaastro.2016.12.038

Cited by 7 publications

(2 citation statements)

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“…Moreover, both parameters themselves are able to significantly vary [1,8]. So, in the low Earth orbital (LEO) region the average relative conjunction velocity of SOs v avr equals approximately 10 km per second (the maximum one is 17 km/s), in the vicinity of semi-synchronous circular orbits it is about 4 km per second (the maximum one is 7.8 km/s).…”

Section: On Some Possible Constructions For Criteria Of the Danger Ofmentioning

confidence: 99%

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Challenging Aspects in Evaluating the Potential Danger of Space Objects Breakups and Collisions for Space Flights

Адушкин¹,

Aksenov²,

Veniaminov³

et al. 2018

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Abstract. The increasing near-Earth space (NES) exploration with its technogeneous contamination, and the resulting growth of space objects breakups risk for space flights makes more urgent the problem of estimating this danger, an adequate and accurate estimate being very important. In practice, given the complexity of obtaining the accurate estimates of this characteristic because of the large uncertainty in the initial data, it is a common practice simplifying the calculations, neglecting a set of factors, included some essential ones. In this work, some challenging aspects in evaluating and using the estimates of potential danger of space objects breakups and possible ways of improving these estimates are discussed.

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Section: On Some Possible Constructions For Criteria Of the Danger Ofmentioning

confidence: 99%

“…And in the geostationary belt v avr ≈ 0.5 km /s, the maximum relative conjunction velocity theoretically is equal to 6 km/s. Although the latter is practically an unlikely case in view of the fact that in GEO (in contrast to LEO) all SOs are moving on the whole in the same direction [1,8].…”

Section: On Some Possible Constructions For Criteria Of the Danger Ofmentioning

confidence: 99%