2020 CD3

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Orbit

Aten-type Geocentric Chaotic Tidal forces Momentum

20 related topics

Overview

Near-Earth asteroid Minimoon Earth Temporary satellite Mount Lemmon Observatory

18 related topics

Discovery

Constellation Virgo AU Near-Earth Object Confirmation Page Minor Planet Electronic Circular

8 related topics

Physical characteristics

Carbonaceous C-type asteroids Car

3 related topics

Key facts & relationships

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Absolute magnitude (H): 31.80±0.34 31.8
Alternative designations: C26FED2
Aphelion: 1.0418 AU
Apparent magnitude: >30 (current) 20 (at discovery)
Argument of perihelion: 49.972°
Discovered by: Theodore A. Pruyne · Kacper W. Wierzchoś

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Physical characteristics

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Map overview Semantic statistics

Nodes59

Edges58

Triples150

Avg. degree1.97

Density0.033898

Components1

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2020 CD3

Top relations

related to External links · 42

2020 CD3 → Archived, August, Bob King, But Not, CD3, Close, Color, D104, Deborah Byrd, Discovery, Dynamic SiteEphemerides, Earth, Earth Has, EarthSky, Ephemeris, Feb, JPL Small-Body DatabaseClose, Long, March, Mini-Moon

related to Discovery · 21

2020 CD3 → Although, Arizona, AU, Catalina Sky Survey, CD3, Earth, February, Follow-up, Kacper Wierzchoś, Minor Planet Center, Minor Planet Center's Near-Earth, Minor Planet Electronic Circular, Mount Lemmon Observatory, Mount Lemmon Survey, NEOCP, No, Object Confirmation Page, The, Theodore Pruyne, Tucson

related to Future approaches · 21

2020 CD3 → After, AU, August, Being, By, CD3, Earth, Earth's Hill, It, Jet Propulsion Laboratory's Sentry, JPL Horizon's, JPL's, March, October, Palermo Scale, September, Sun, The, Torino Scale, With

related to Temporary capture · 17

2020 CD3 → Because, CD3, CD3's, Christmas Day, Due, Earth, Earth's, Earth-like, May, Moon, Moon's, Nominal, Over, Sun, The, The Moon, Yarkovsky

related to Nomenclature · 7

2020 CD3 → After, C26FED2, CD3, February, Minor Planet Center, The, Upon

related to Physical characteristics · 7

2020 CD3 → Assuming, C-type, CD3, November, Studies, The, The JPL Sentry

related to Orbit · 6

2020 CD3 → Apollo-type, Aten-type, AU, CD3, Earth-crossing, Prior

Discovered by · 2

2020 CD3 → Kacper W. Wierzchoś, Theodore A. Pruyne

is a · 2

2020 CD3 → second known temporary captured object discovered in situ around Earth, temporarily captured object or a temporary satellite of Earth

Absolute magnitude (H) · 1

2020 CD3 → 31.80±0.34 31.8

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Important terminology

2020 cd3 earth discovery orbit captured km object around asteroid au temporary close small planet approach february temporarily minor discovered

Entity relationships Subject–Predicate–Object triples

Subject	Predicate	Object	Confidence	Src
2020 CD3	Absolute magnitude (H)	31.80±0.34 31.8	1.00	infobox
2020 CD3	Alternative designations	C26FED2	1.00	infobox
2020 CD3	Aphelion	1.0418 AU	1.00	infobox
2020 CD3	Apparent magnitude	>30 (current) 20 (at discovery)	1.00	infobox
2020 CD3	Argument of perihelion	49.972°	1.00	infobox
2020 CD3	Discovered by	Theodore A. Pruyne	1.00	infobox
2020 CD3	Discovered by	Kacper W. Wierzchoś	1.00	infobox
2020 CD3	Discovery date	15 February 2020	1.00	infobox
2020 CD3	Discovery site	Mt. Lemmon Obs. (CSS)	1.00	infobox
2020 CD3	Earliest precovery date	9 May 2018	1.00	infobox
2020 CD3	Earth MOID	0.0212 AU (3.17 million km; 8.3 LD)	1.00	infobox
2020 CD3	Eccentricity	0.01245 (Geocentric hyperbolic e=58901)	1.00	infobox
2020 CD3	Geometric albedo	0.35 (assumed V-type) 0.23 (assumed from main belt)	1.00	infobox
2020 CD3	Inclination	0.63407°	1.00	infobox
2020 CD3	Longitude of ascending node	82.211°	1.00	infobox
2020 CD3	Mass	~4,900 kg (est.)	1.00	infobox
2020 CD3	Mean anomaly	151.09°	1.00	infobox
2020 CD3	Mean density	2.1±0.7 g/cm3	1.00	infobox
2020 CD3	Mean diameter	0.9±0.1 m (albedo of 0.35) 1.2±0.1 m (albedo of 0.23)	1.00	infobox
2020 CD3	Mean motion	0° 56m 40.373s / day	1.00	infobox
2020 CD3	Minor planet category	NEO · Arjuna · Apollo temporarily captured · co-orbital	1.00	infobox
2020 CD3	Observation arc	2.03 yr (742 days)	1.00	infobox
2020 CD3	Orbital period (sidereal)	1.04 yr (381.25 d)	1.00	infobox
2020 CD3	Perihelion	1.0162 AU	1.00	infobox
2020 CD3	Semi-major axis	1.029 AU	1.00	infobox
2020 CD3	Spectral type	V B–V=0.90±0.07 V–R=0.46±0.08 R–I=0.44±0.06	1.00	infobox
2020 CD3	Synodic rotation period	1,146.8 s or 19.114 min (double-peaked solution) 573.4 s (single-peaked solution)	1.00	infobox
2020 CD3	is a	temporarily captured object or a temporary satellite of Earth	0.90	text
2020 CD3	is a	second known temporary captured object discovered in situ around Earth	0.90	text

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