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Revision as of 14:10, 21 July 2022

Template:Vital article

Brazil satellite launch

Brazil has successfully launched a satellite earlier this year. Should it be added to the launch-capable countries? [1] [2]

References

  1. ^ http://www.brazilgovnews.gov.br/news/2017/05/brazil-launches-satellite-that-will-democratise-broadband-access
  2. ^ https://www.telecompaper.com/news/brazil-launches-sgdc-satellite--1194800

Free speech satellites

Hackers plan space satellites to combat censorship, BBC, 30 December 2011. Something interesting to put under private satellite section? CarolMooreDC 18:29, 2 January 2012 (UTC)[reply]

Arab sat question, and citations for dates

What is the proper country attribution for the Arab Sat satellites? I'm referring to this string of edits, all of which are in good faith (there was a typo earlier that's been corrected), but I'm not sure if the 1985 launch, or the 2000 launch should be listed.

In a related note, there needs to be a lot better attribution with cites for all of these dates. Dates like this are often targets of vandals making subtle changes, and adding in citations is the best way to combat that. Obviously people adding in specific dates have some source they're reading from. Shadowjams (talk) 22:22, 21 February 2013 (UTC)[reply]

  • Arabsat is a Saudi Arabian company; it does have a multinational element (as do several other similar companies), however it is primarily Saudi Arabian, and its satellites are considered Saudi Arabian. --W. D. Graham 11:27, 22 February 2013 (UTC)[reply]

Radio waves used

Is there a section in the article about what type of radio waves are used for satellites?--Wyn.junior (talk) 00:22, 18 March 2014 (UTC)[reply]

Reference question

Can this be used as a reference?--Wyn.junior (talk) 01:54, 29 March 2014 (UTC)[reply]

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Remove Kenya 1st satellite entry. Incorrectly listed as Scout B S175C in 1970.

Please see Talk:Timeline_of_first_artificial_satellites_by_country for full motivation. — Preceding unsigned comment added by Arnobarnard (talk • contribs) 08:07, 9 November 2018 (UTC)[reply]

Operational Satellites

A credible web site says there are about 2,666 operational satellites orbiting Earth. This article says 1,900. Who's right? — Preceding unsigned comment added by 71.163.124.210 (talk) 19:07, 31 July 2020 (UTC)[reply]

Statistics

Payloads (satellites, dispensers, capsules) launched by year
Payloads by year
Year Payloads
2020 1,261
2019 522
2018 570
2017 444
2016 222
2015 236
2014 258
2013 207
2012 132
2011 131
2010 122
2009 129
2008 108
2007 117
2006 98
2005 75
2004 72
2003 90
2002 96
2001 92
2000 123
1999 130
1998 163
1997 158
1996 104
1995 107
1994 127
1993 112
1992 132
1991 141
1990 168
1989 137
1988 143
1987 138
1986 135
1985 167
1984 166
1983 161
1982 144
1981 158
1980 130
1979 123
1978 164
1977 137
1976 158
1975 154
1974 126
1973 136
1972 129
1971 153
1970 131
1969 136
1968 139
1967 156
1966 141
1965 160
1964 107
1963 74
1962 79
1961 39
1960 20
1959 14
1958 8
1957 2
1956 0
Payloads in orbit by year end
Year Active
satellites		 Inactive
satellites		 Rocket
bodies
2020 3,368 2,987 1,891
2019 2,298 2,899 1,872
2018 2,043 2,782 1,844
2017 1,787 2,720 1,783
2016 1,465 2,647 1,752
2015 1,363 2,598 1,719
2014 1,260 2,557 1,682

Sources:

See also - https://planet4589.org/space/stats/figs/satannual.jpg — Preceding unsigned comment added by Barecode (talk • contribs) 22:54, 22 January 2021 (UTC)[reply]

Largest amount of satellites launched on a single rocket:

Honorable mentions:

  • Long March 8 - 22 satellites, 27 February 2022

Failed deployments:

  • 110 satellites on a Falcon 9 rocket, on 18 April 2014, mission SpaceX CRS-3 - 6 cubesats, one of them containing 104 chipsats which failed to deploy
  • 18 satellites on a Dnepr rocket, 26 July 2006

Largest number of identical satellites launched:

  • 103 Chipsat satellites on a Antares 230 rocket, on 17 November 2018 - mission Cygnus NG-10 - satellites deployed from a KickSat on 18 March 2019
  • 88 Planet Lab satellites on a PSLV rocket, on 15 February 2017 - mission PSLV-C37
  • 60 Starlink satellites on a Falcon 9 rocket in 24 May 2019
  • 12 Orbcomm satellites on a Falcon 9 rocket in 22 December 2015

Max and min satellites launched in a single year:

  • 2020 - 1,261
  • 2018 - 570
  • 2019 - 522

..

  • 2001 - 92
  • 2005 - 75
  • 2004 - 72

Satellites by country

https://www.ucsusa.org/resources/satellite-database 4,550 satellites at Sep 1, 2021

  • USA - 2,805
  • China - 467
  • UK - 349
  • Russia - 168
  • Japan - 91
  • India - 61
  • Canada - 57
  • Germany - 47
  • France - 31

-- Barecode (talk) 02:49, 25 December 2021 (UTC)[reply]

Contradiction within the first two sentences

"In the context of spaceflight, a satellite is an object that has been intentionally placed into orbit. These objects are called artificial satellites to distinguish them from natural satellites such as Earth's Moon."

These two sentences contradict each other, or at least semantically very much not clear what satellite is, only artificially orbited objects are satellites or what. 91.82.182.182 (talk) 22:05, 19 January 2022 (UTC)[reply]

"In the context of spaceflight" part removes the contradiction. In the context of spaceflight, the term "satellite" is synonymous with "artificial satellite," and need not have the "artificial" qualifier. --OuroborosCobra (talk) 23:06, 19 January 2022 (UTC)[reply]
Then I propose the opening sentence to be a generic definition, not specific use cases. 91.82.182.182 (talk) 13:46, 20 January 2022 (UTC)[reply]
OTOH the Satellite disambiguation starts with "A satellite is an artificial object which has been intentionally placed into orbit, such as:" so I don't even know anymore. It's murky, and needs some rewording for sure, but I don't know how. 91.82.182.182 (talk) 13:47, 20 January 2022 (UTC)[reply]
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