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Template:Known and suspected companions of Earth

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Known and suspected companions of Earth
Name Eccentricity Diameter
(m)
Discoverer Date of Discovery Type Current Type
Moon 0.055 3474800 ? Prehistory Natural satellite Natural satellite
1913 Great Meteor Procession ? ? ? 1913-02-09 Possible Temporary satellite Destroyed
3753 Cruithne 0.515 5000 Duncan Waldron 1986-10-10 Quasi-satellite Horseshoe orbit
1991 VG 0.053 5–12 Spacewatch 1991-11-06 Temporary satellite Apollo asteroid
(85770) 1998 UP1 0.345 210–470 Lincoln Lab's ETS 1998-10-18 Horseshoe orbit Horseshoe orbit
54509 YORP 0.230 124 Lincoln Lab's ETS 2000-08-03 Horseshoe orbit Horseshoe orbit
2001 GO2 0.168 35–85 Lincoln Lab's ETS 2001-04-13 Possible Horseshoe orbit Possible Horseshoe orbit
2002 AA29 0.013 20–100 LINEAR 2002-01-09 Quasi-satellite Horseshoe orbit
2003 YN107 0.014 10–30 LINEAR 2003-12-20 Quasi-satellite Horseshoe orbit
(164207) 2004 GU9 0.136 160–360 LINEAR 2004-04-13 Quasi-satellite Quasi-satellite
(277810) 2006 FV35 0.377 140–320 Spacewatch 2006-03-29 Quasi-satellite Quasi-satellite
2006 JY26 0.083 6–13 Catalina Sky Survey 2006-05-06 Horseshoe orbit Horseshoe orbit
2006 RH120 0.024 2–3 Catalina Sky Survey 2006-09-13 Temporary satellite Apollo asteroid
(419624) 2010 SO16 0.075 357 WISE 2010-09-17 Horseshoe orbit Horseshoe orbit
(706765) 2010 TK7 0.191 150–500 WISE 2010-10-01 Earth trojan Earth trojan
2013 BS45 0.083 20–40 Spacewatch 2010-01-20 Horseshoe orbit Horseshoe orbit
2013 LX28 0.452 130–300 Pan-STARRS 2013-06-12 Quasi-satellite temporary Quasi-satellite temporary
2014 OL339 0.461 70–160 EURONEAR 2014-07-29 Quasi-satellite temporary Quasi-satellite temporary
2015 SO2 0.108 50–110 Črni Vrh Observatory 2015-09-21 Quasi-satellite Horseshoe orbit temporary
2015 XX169 0.184 9–22 Mount Lemmon Survey 2015-12-09 Horseshoe orbit temporary Horseshoe orbit temporary
2015 YA 0.279 9–22 Catalina Sky Survey 2015-12-16 Horseshoe orbit temporary Horseshoe orbit temporary
2015 YQ1 0.404 7–16 Mount Lemmon Survey 2015-12-19 Horseshoe orbit temporary Horseshoe orbit temporary
469219 Kamoʻoalewa 0.104 40-100 Pan-STARRS 2016-04-27 Quasi-satellite stable Quasi-satellite stable
DN16082203 ? ? ? 2016-08-22 Possible Temporary satellite Destroyed
2020 CD3 0.017 1–6 Mount Lemmon Survey 2020-02-15 Temporary satellite Apollo asteroid
2020 PN1 0.127 10–50 ATLAS-HKO 2020-08-12 Horseshoe orbit temporary Horseshoe orbit temporary
2020 PP1 0.074 10–20 Pan-STARRS 2020-08-12 Quasi-satellite stable Quasi-satellite stable
(614689) 2020 XL5 0.387 1100-1260 Pan-STARRS 2020-12-12 Earth trojan Earth trojan
2022 NX1 0.025 5-15 Moonbase South Observatory 2020-07-02 Temporary satellite Apollo asteroid
2023 FW13 0.177 10-20 Pan-STARRS 2023-03-28 Quasi-satellite Quasi-satellite
2024 PT5 0.021 7–13 ATLAS South Africa, Sutherland 2024-08-07 Temporary satellite Temporary satellite