{"id": 1014840, "name": "Number of tracked objects in lower Earth orbit", "unit": "objects", "createdAt": "2025-03-07T11:15:33.000Z", "updatedAt": "2025-03-07T11:15:33.000Z", "coverage": "", "timespan": "1958-2024", "datasetId": 6984, "shortUnit": "", "columnOrder": 0, "shortName": "n_objects", "catalogPath": "grapher/space/2025-03-04/lower_earth_objects_by_type/lower_earth_objects_by_type#n_objects", "descriptionShort": "Objects are subtracted from the time series after they have reentered the Earth's atmosphere. Not all objects are tracked: in 2021, the European Space Agency estimated there were more than 130 million space debris objects larger than 1 millimeter.", "licenses": "[{\"url\": \"https://www.space-track.org/documentation#/odr\", \"name\": \"USSPACECOM Basic SSA Data, redistribution allowed with attribution\"}]", "type": "int", "grapherConfigIdETL": "01957051-548b-7279-b6fb-deefff113f4e", "datasetName": "Number of lower Earth objects in space by type", "updatePeriodDays": 365, "datasetVersion": "2025-03-04", "nonRedistributable": false, "display": {"unit": "objects", "numDecimalPlaces": 0}, "schemaVersion": 2, "processingLevel": "major", "presentation": {"topicTagsLinks": ["Space Exploration & Satellites"]}, "descriptionKey": ["[Low Earth orbit](#dod:low_earth_orbit) is defined by a point of closest approach to Earth below 2,000 kilometers.", "Debris are assigned to the launch date of the original object from which they were separated."], "dimensions": {"years": {"values": [{"id": 1958}, {"id": 1959}, {"id": 1960}, {"id": 1961}, {"id": 1962}, {"id": 1963}, {"id": 1964}, {"id": 1965}, {"id": 1966}, {"id": 1967}, {"id": 1968}, {"id": 1969}, {"id": 1970}, {"id": 1971}, {"id": 1972}, {"id": 1973}, {"id": 1974}, {"id": 1975}, {"id": 1976}, {"id": 1977}, {"id": 1978}, {"id": 1979}, {"id": 1980}, {"id": 1981}, {"id": 1982}, {"id": 1983}, {"id": 1984}, {"id": 1985}, {"id": 1986}, {"id": 1987}, {"id": 1988}, {"id": 1989}, {"id": 1990}, {"id": 1991}, {"id": 1992}, {"id": 1993}, {"id": 1994}, {"id": 1995}, {"id": 1996}, {"id": 1997}, {"id": 1998}, {"id": 1999}, {"id": 2000}, {"id": 2001}, {"id": 2002}, {"id": 2003}, {"id": 2004}, {"id": 2005}, {"id": 2006}, {"id": 2007}, {"id": 2008}, {"id": 2009}, {"id": 2010}, {"id": 2011}, {"id": 2012}, {"id": 2013}, {"id": 2014}, {"id": 2015}, {"id": 2016}, {"id": 2017}, {"id": 2018}, {"id": 2019}, {"id": 2020}, {"id": 2021}, {"id": 2022}, {"id": 2023}, {"id": 2024}]}, "entities": {"values": [{"id": 298672, "name": "Debris", "code": null}, {"id": 298671, "name": "Payloads", "code": null}, {"id": 298670, "name": "Rocket bodies", "code": null}]}}, "origins": [{"id": 3030, "title": "Number of objects in space", "description": "This dataset is extracted from Space-Track.org, a website maintained by the 18th Space Defense Squadron of the United States Space Force.\n\nThe original data includes information on thousands of space objects tracked over time, including their launch date and decay date (if they have reentered the Earth's atmosphere).", "producer": "United States Space Force", "citationFull": "United States Space Force - Number of objects in space (2025). 18th Space Defense Squadron.", "urlMain": "https://www.space-track.org/", "dateAccessed": "2025-04-03", "datePublished": "2025-04-03"}]}