Scimago Journal & Country Rank


Country United States  - SIR icon SIR Ranking of United States
H Index
Subject Area and CategoryEarth and Planetary Sciences
Space and Planetary Science

Physics and Astronomy
Astronomy and Astrophysics
Publisher Academic Press Inc.
Publication typeJournals
ISSN10902643, 00191035
Scope Icarus is devoted to the publication of original contributions in the field of Solar System studies. Manuscripts reporting the results of new research - observational, experimental, or theoretical - concerning the astronomy, geology, meteorology, physics, chemistry, biology, and other scientific aspects of our Solar System or extrasolar systems are welcome. The journal generally does not publish papers devoted exclusively to the Sun, the Earth, celestial mechanics, meteoritics, or astrophysics. Icarus does not publish papers that provide "improved" versions of Bode's law, or other numerical relations, without a sound physical basis. Icarus does not publish meeting announcements or general notices. Reviews, historical papers, and manuscripts describing spacecraft instrumentation may be considered, but only with prior approval of the editor. An entire issue of the journal is occasionally devoted to a single subject, usually arising from a conference on the same topic. The language of publication is English. American or British usage is accepted, but not a mixture of these.


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The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

Astronomy and Astrophysics1999Q1
Astronomy and Astrophysics2000Q1
Astronomy and Astrophysics2001Q1
Astronomy and Astrophysics2002Q1
Astronomy and Astrophysics2003Q1
Astronomy and Astrophysics2004Q1
Astronomy and Astrophysics2005Q1
Astronomy and Astrophysics2006Q1
Astronomy and Astrophysics2007Q1
Astronomy and Astrophysics2008Q1
Astronomy and Astrophysics2009Q1
Astronomy and Astrophysics2010Q1
Astronomy and Astrophysics2011Q1
Astronomy and Astrophysics2012Q1
Astronomy and Astrophysics2013Q2
Astronomy and Astrophysics2014Q1
Astronomy and Astrophysics2015Q1
Astronomy and Astrophysics2016Q1
Astronomy and Astrophysics2017Q1
Astronomy and Astrophysics2018Q1
Astronomy and Astrophysics2019Q1
Space and Planetary Science1999Q1
Space and Planetary Science2000Q1
Space and Planetary Science2001Q1
Space and Planetary Science2002Q1
Space and Planetary Science2003Q1
Space and Planetary Science2004Q1
Space and Planetary Science2005Q1
Space and Planetary Science2006Q1
Space and Planetary Science2007Q1
Space and Planetary Science2008Q1
Space and Planetary Science2009Q1
Space and Planetary Science2010Q1
Space and Planetary Science2011Q1
Space and Planetary Science2012Q1
Space and Planetary Science2013Q2
Space and Planetary Science2014Q1
Space and Planetary Science2015Q1
Space and Planetary Science2016Q1
Space and Planetary Science2017Q1
Space and Planetary Science2018Q1
Space and Planetary Science2019Q1

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per documentYearValue
Cites / Doc. (4 years)19992.466
Cites / Doc. (4 years)20002.435
Cites / Doc. (4 years)20012.357
Cites / Doc. (4 years)20023.292
Cites / Doc. (4 years)20032.802
Cites / Doc. (4 years)20042.958
Cites / Doc. (4 years)20053.878
Cites / Doc. (4 years)20063.291
Cites / Doc. (4 years)20073.376
Cites / Doc. (4 years)20082.992
Cites / Doc. (4 years)20093.552
Cites / Doc. (4 years)20103.699
Cites / Doc. (4 years)20113.364
Cites / Doc. (4 years)20123.403
Cites / Doc. (4 years)20133.223
Cites / Doc. (4 years)20143.320
Cites / Doc. (4 years)20153.928
Cites / Doc. (4 years)20163.342
Cites / Doc. (4 years)20173.189
Cites / Doc. (4 years)20183.620
Cites / Doc. (4 years)20193.347
Cites / Doc. (3 years)19992.466
Cites / Doc. (3 years)20002.529
Cites / Doc. (3 years)20012.379
Cites / Doc. (3 years)20023.234
Cites / Doc. (3 years)20032.758
Cites / Doc. (3 years)20042.961
Cites / Doc. (3 years)20053.972
Cites / Doc. (3 years)20063.342
Cites / Doc. (3 years)20073.399
Cites / Doc. (3 years)20082.908
Cites / Doc. (3 years)20093.571
Cites / Doc. (3 years)20103.725
Cites / Doc. (3 years)20113.453
Cites / Doc. (3 years)20123.397
Cites / Doc. (3 years)20133.184
Cites / Doc. (3 years)20143.268
Cites / Doc. (3 years)20153.962
Cites / Doc. (3 years)20163.434
Cites / Doc. (3 years)20173.177
Cites / Doc. (3 years)20183.614
Cites / Doc. (3 years)20193.385
Cites / Doc. (2 years)19992.538
Cites / Doc. (2 years)20002.618
Cites / Doc. (2 years)20012.343
Cites / Doc. (2 years)20023.116
Cites / Doc. (2 years)20032.628
Cites / Doc. (2 years)20042.973
Cites / Doc. (2 years)20053.850
Cites / Doc. (2 years)20063.280
Cites / Doc. (2 years)20073.072
Cites / Doc. (2 years)20082.928
Cites / Doc. (2 years)20093.524
Cites / Doc. (2 years)20103.727
Cites / Doc. (2 years)20113.453
Cites / Doc. (2 years)20123.346
Cites / Doc. (2 years)20133.045
Cites / Doc. (2 years)20143.175
Cites / Doc. (2 years)20153.976
Cites / Doc. (2 years)20163.333
Cites / Doc. (2 years)20173.112
Cites / Doc. (2 years)20183.655
Cites / Doc. (2 years)20193.373
Total Cites 

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Self Cites1999518
Self Cites2000513
Self Cites2001488
Self Cites2002591
Self Cites2003475
Self Cites2004567
Self Cites2005766
Self Cites2006623
Self Cites2007813
Self Cites2008719
Self Cites2009914
Self Cites20101061
Self Cites20111201
Self Cites20121114
Self Cites20131082
Self Cites20141228
Self Cites20151310
Self Cites20161216
Self Cites20171056
Self Cites20181045
Self Cites20191110
Total Cites19991492
Total Cites20001439
Total Cites20011449
Total Cites20022047
Total Cites20031925
Total Cites20041895
Total Cites20052705
Total Cites20062406
Total Cites20072675
Total Cites20082681
Total Cites20093432
Total Cites20103833
Total Cites20113757
Total Cites20124008
Total Cites20133954
Total Cites20143938
Total Cites20154830
Total Cites20164406
Total Cites20174191
Total Cites20184590
Total Cites20193974
External Cites per Doc 
Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

External Cites per document19991.610
External Cites per document20001.627
External Cites per document20011.578
External Cites per document20022.300
External Cites per document20032.077
External Cites per document20042.075
External Cites per document20052.847
External Cites per document20062.476
External Cites per document20072.366
External Cites per document20082.128
External Cites per document20092.620
External Cites per document20102.694
External Cites per document20112.349
External Cites per document20122.453
External Cites per document20132.312
External Cites per document20142.249
External Cites per document20152.888
External Cites per document20162.486
External Cites per document20172.377
External Cites per document20182.791
External Cites per document20192.440
Cites per document19992.466
Cites per document20002.529
Cites per document20012.379
Cites per document20023.234
Cites per document20032.758
Cites per document20042.961
Cites per document20053.972
Cites per document20063.342
Cites per document20073.399
Cites per document20082.908
Cites per document20093.571
Cites per document20103.725
Cites per document20113.453
Cites per document20123.397
Cites per document20133.184
Cites per document20143.268
Cites per document20153.962
Cites per document20163.434
Cites per document20173.177
Cites per document20183.614
Cites per document20193.385
% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

YearInternational Collaboration
Citable documents 
Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Non-citable documents19991
Non-citable documents20001
Non-citable documents20011
Non-citable documents20022
Non-citable documents20036
Non-citable documents20048
Non-citable documents200514
Non-citable documents200620
Non-citable documents200725
Non-citable documents200829
Non-citable documents200928
Non-citable documents201025
Non-citable documents201121
Non-citable documents201221
Non-citable documents201324
Non-citable documents201429
Non-citable documents201528
Non-citable documents201633
Non-citable documents201737
Non-citable documents201836
Non-citable documents201931
Citable documents1999605
Citable documents2000569
Citable documents2001609
Citable documents2002633
Citable documents2003698
Citable documents2004640
Citable documents2005681
Citable documents2006720
Citable documents2007787
Citable documents2008922
Citable documents2009961
Citable documents20101029
Citable documents20111088
Citable documents20121180
Citable documents20131242
Citable documents20141205
Citable documents20151219
Citable documents20161283
Citable documents20171319
Citable documents20181270
Citable documents20191174
Cited documents 
Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Uncited documents1999139
Uncited documents2000127
Uncited documents2001143
Uncited documents2002106
Uncited documents2003154
Uncited documents2004127
Uncited documents2005104
Uncited documents2006139
Uncited documents2007147
Uncited documents2008197
Uncited documents2009141
Uncited documents2010191
Uncited documents2011153
Uncited documents2012190
Uncited documents2013217
Uncited documents2014205
Uncited documents2015179
Uncited documents2016204
Uncited documents2017234
Uncited documents2018211
Uncited documents2019201
Cited documents1999467
Cited documents2000443
Cited documents2001467
Cited documents2002529
Cited documents2003550
Cited documents2004521
Cited documents2005591
Cited documents2006601
Cited documents2007665
Cited documents2008754
Cited documents2009848
Cited documents2010863
Cited documents2011956
Cited documents20121011
Cited documents20131049
Cited documents20141029
Cited documents20151068
Cited documents20161112
Cited documents20171122
Cited documents20181095
Cited documents20191004
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The users of Scimago Journal & Country Rank have the possibility to dialogue through comments linked to a specific journal. The purpose is to have a forum in which general doubts about the processes of publication in the journal, experiences and other issues derived from the publication of papers are resolved. For topics on particular articles, maintain the dialogue through the usual channels with your editor.

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