Journal profile
ORiON
ISSN 0259-191X · eISSN 2224-0004 · Operations Research Society of South Africa (ORSSA) · South Africa
ORiON: diamond open access (no APC); no APC; review about 15 weeks (community reports); 3 articles in 2025.
Scope
Aims, scope and focus
ORiON is published by Operations Research Society of South Africa (ORSSA). By OpenAlex counts of its recent articles, its largest topics are History and Developments in Astronomy, Stellar, planetary, and galactic studies and Astronomy and Astrophysical Research, together about 44.9% of its articles. Its main subfields are Astronomy and Astrophysics. (generated from OpenAlex topic counts and CAS ranking data)
ORiON is the official journal of the Operations Research Society of South Africa (ORSSA) and is published biannually. Papers in the following categories are typically published in ORiON: Development of New Theory, which may be useful to operations research practitioners, or which may lead to the introduction of new methodologies or techniques. OR Success Stories, which describe demonstrably successful applications of operations research within the Southern African context (at the developing/developed economy interface) or similar environments elsewhere. OR Case Studies, which might not be "success stories", but which emphasize novel approaches or describe pitfalls in the application of operations research. OR Methodological Reviews, which survey new and potentially useful methodological developments, aimed at operations research practitioners especially in Southern Africa.
From the journal's Aims & Scope
Editorial board by country: none in mainland China; most named South Africa 14, United States 3, Canada 2, Australia 2, United Kingdom 1 (28 members with a country) Editorial board ↗Publisher website ·
Main research topics OpenAlex counts of recent articles; shares are approximate
- History and Developments in AstronomyPhysics and Astronomy21.6%
- Stellar, planetary, and galactic studiesPhysics and Astronomy12.7%
- Astronomy and Astrophysical ResearchPhysics and Astronomy10.6%
- Astro and Planetary SciencePhysics and Astronomy7.1%
- Historical Astronomy and Related StudiesPhysics and Astronomy5.5%
- Management and Optimization TechniquesBusiness, Management and Accounting5%
- Optimization and Mathematical ProgrammingEngineering3.8%
- Vehicle Routing Optimization MethodsEngineering3.3%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Not covered
Not covered by this edition.
CAS Xinrui Journal Ranking (March 2026)Not covered
Not covered by this edition.
CAS Journal Ranking, previous upgraded edition (December 2023)Not covered
Not covered by this edition.
Database indexing
DOAJLetPub
International journal early-warning lists: not listed in any editionLetPub
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- h-index
- 19OpenAlex ·
- i10-index
- 38OpenAlex ·
- 2-year mean citedness
- 0.31OpenAlex ·
- Share of gold OA articles
- 0%LetPub ·
Articles by year OpenAlex count · 743 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 2 | 2 | 51 |
| 2025 | 3 | 3 | 71 |
| 2024 | 8 | 8 | 86 |
| 2023 | 10 | 10 | 94 |
| 2022 | 17 | 17 | 101 |
| 2021 | 9 | 9 | 114 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
- Average review time (community reports)
- about 15 weeksLetPub ·
- Submission to publication (journal-reported)
- about 15 weeksDOAJ ·
- Peer review
- Double anonymous peer reviewDOAJ
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Diamond open access (no APC)DOAJ
Every article is open access and authors pay no article processing charge.
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| DOAJ | No APC | No | CC BY | |
| LetPub | No APC | No | — |
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Submission
Article types and submission policies (journal website)
What to prepare4 items from the author guidelines
- Abstract
- ≤ 300 words
- Reference style
- Harvard
- First submission
- Free format: the journal's layout is not required
- Cover letter
- Required
Article types accepted3
- letters to the editorReaders are invited to submit letters to the editor for possible publication in ORiON. These letters may be in response to material already published in ORiON, …Length not stated
- research articlesContributions in this section represent the main bulk of an issue and are subjected to double-blind peer review. Articles typically report on the development of…Length not stated
- special issue articles (by invitation only)Contributions in this section are typically centered around a special OR topic or theme, dedicated to a celebrated individual in the OR community, or mark an im…Length not stated
Policy excerpts from the journal's websiteLicense & copyright
- License & copyright Copyright Notice
The following license applies: Attribution CC BY This license lets others distribute, remix, tweak, and build upon your work, even commercially, as long as they credit you for the original creation.
Source ↗Publisher website ·
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- Operations Research Society of South Africa (ORSSA)
- Country or region
- South Africa
- Language
- English
- ISSN
- 0259-191X
- Electronic ISSN
- 2224-0004
- Society / sponsor
- Operations Research Society of South Africa
- Latest issue on the website
- Volume 42, Issue 1 (2026)
- Official links
- Journal homepage ↗LetPub
- Author guidelines ↗LetPub
- Aims & Scope ↗LetPub
- APC information ↗DOAJ
- Open access statement ↗DOAJ
- License & copyright ↗DOAJ
- Peer review process ↗LetPub
- Editorial board ↗LetPub
- Plagiarism policy ↗DOAJ
FAQ
Frequently asked questions about ORiON
How long does peer review take at ORiON?
Authors report an average review time of about 15 weeks. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
What are the manuscript requirements of ORiON?
According to the journal's author guidelines: Abstract: ≤ 300 words; Reference style: Harvard; First submission: Free format: the journal's layout is not required; Cover letter: Required. A model extracted these from the author guidelines and each was checked against the text; check the latest version on the journal's website before submitting.
Where are the editorial board members of ORiON based?
Of the 28 board members whose country the journal's board page names, none are in mainland China; the countries named most often are South Africa (14), United States (3) and Canada (2). Counted from the institutions listed on the board page; for reference only.
Which databases index ORiON?
According to LetPub and DOAJ records, ORiON is indexed in DOAJ.
Is ORiON open access, and what is the APC?
ORiON is a diamond open-access journal (no APC). It charges no article processing charge.
Sources and updates
The facts on this page come from LetPub, OpenAlex, DOAJ, Publisher website; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-26). Last updated: .