Impact Factor

Impact Factor is one of several quantitative tools generated for journals using Thomson Reuters’ Journal Citation Reports (JCR).

The impact factor of a journal is calculated by dividing the number of current-year citations to the articles published in that journal during the previous two years. Within JCR, journals are organized by subject listings so that publications are viewed within the context of their specific fields.

AIAA’s journals with the exception of the Journal of Thermophysics and Heat Transfer (JTHT) are ranked in the Engineering, Aerospace Sciences category. JTHT is ranked in the Engineering, Mechanical category and the Thermodynamics category. The Journal of Guidance, Control, and Dynamics also is ranked within the Instruments and Instrumentation category.

AIAA's 2018 Journal Impact Factors

Journal Name ISSN Total Cites Journal Impact Factor 5 Year Impact factor Immediacy Index Eigenfactor
Aerospace America 0740-722X83 0.0500.041 0.041 0.00003
AIAA Journal 0001-145220,946 1.9512.155 0.337 0.01402
Journal of Aerospace Information Systems 1940-3151236 0.7871.009 0.167 0.00068
Journal of Aircraft 0021-8669 6,355 0.9631.3660.214 0.00440
Journal of Guidance, Control and Dynamics 0731-5090 10,838 2.061 2.437 0.377 0.00963
Journal of Propulsion and Power 0748-4658 6,538 1.803 1.885 0.441 0.00589
Journal of Spacecraft and Rockets 0022-46503,720 1.016 1.210 0.215 0.00340
Journal of Thermophysics and Heat Transfer 0887-8722 2,455 1.051 1.153 0.375 0.00152

© Clarivate Analytics 2019

Journal impact factor is a useful tool for evaluating journals, but it should be used in an informed manner. Citation frequencies for individual articles vary greatly and a journal’s ranking is not indicative of the quality of all articles within the journal. It is also generally understood that a journal’s impact factor should not be used to assess the quality of work by a particular researcher or institution.


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2018 Journal Impact Factor, Journal Citation Reports (Web of Science Group, 2019)