2101 Adonis information

2101 Adonis
Discovery
Discovered by	E. Delporte
Discovery site	Uccle Obs.
Discovery date	12 February 1936
Designations
MPC designation	(2101) Adonis
Pronunciation	/əˈdoʊnɪs/, or; /əˈdɒnɪs/ (NAE)
Named after	Adonis; (Greek mythology)
Alternative designations	1936 CA
Minor planet category	NEO · PHA · Apollo
Orbital characteristics
	Epoch 27 April 2019 (JD 2458600.5)
	Uncertainty parameter 0
Observation arc	82.16 yr (30,009 d)
Aphelion	3.3069 AU
Perihelion	0.4415 AU
Semi-major axis	1.8742 AU
Eccentricity	0.7644
Orbital period (sidereal)	2.57 yr (937 d)
Mean anomaly	182.53°
Mean motion	0° 23m 2.76s / day
Inclination	1.3237°
Longitude of ascending node	349.57°
Argument of perihelion	43.551°
Earth MOID	0.0116 AU (4.52 LD)
Physical characteristics
Mean diameter	0.523 km (est. at 0.20); 0.6 km (Gehrels est.);
Absolute magnitude (H)	18.8

2101 Adonis, provisional designation: 1936 CA, is an asteroid on an extremely eccentric orbit, classified as potentially hazardous asteroid and near-Earth object of the Apollo group. Adonis measures approximately 1 kilometer (0.6 miles) in diameter. Discovered by Eugène Delporte at Uccle in 1936, it became a lost asteroid until 1977. It may also be an extinct comet and a source of meteor showers.^[6] It was named after Adonis from Greek mythology.^[3]

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^ "Adonis". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
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[2] "Adonis". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)

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2101 Adonis information

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