Asteroid General Data

2021 LD₁

General information

Preliminary designation	2021 LD₁
Group	Apollo
Absolute magnitude	20.30
Approximate diameter (m)	230
Approximate mass (kg)	2.27·10¹⁰
Number of observations	109
Arc length (days)	130

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	37.750636
a – orbit major semiaxis (astronomical units)	2.80304100
e – orbit eccentricity	0.64722000
ω – orbit ascending node-perihelion angle (degrees)	183.560583
Ω – longitude of orbit ascending node (degrees)	110.835233
i – orbit inclination to the ecliptic plane (degrees)	39.257842

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	208.381443	2.77359720	0.66234369	176.557947	113.368705	39.105145	0.93652259	4.619189
01/21/1858	312.380057	2.76576134	0.66458639	176.850588	113.271285	39.210937	0.92767398	4.599628
01/29/1887	50.387497	2.79802243	0.65044429	177.872061	112.856695	38.995022	0.97806471	4.680340
02/07/1916	116.505374	2.80519748	0.64530862	179.554188	112.271386	39.213166	0.99497936	4.698354
02/14/1945	188.039215	2.78493378	0.65408231	180.935254	111.777749	39.475313	0.96335785	4.647538
02/22/1974	287.824184	2.77366838	0.65940061	181.488923	111.546456	39.605106	0.94470976	4.619366
03/02/2003	27.145284	2.78293048	0.65500012	182.036252	111.349357	39.459035	0.96011069	4.642524
03/09/2032	97.761123	2.80459444	0.64727925	183.540374	110.831966	39.267103	0.98923865	4.696839
03/17/2061	172.658995	2.78556100	0.65902546	185.035493	110.156995	39.476748	0.94980539	4.649108
03/25/2090	278.869701	2.76324040	0.66790002	185.686911	109.959124	39.438323	0.91767207	4.593340
04/03/2119	17.358363	2.77956776	0.66294338	186.142492	109.790554	39.150845	0.93687172	4.634112
04/10/2148	76.326704	2.79985376	0.66465476	188.968931	108.715073	38.330127	0.93891764	4.684936
04/18/2177	154.800303	2.77313761	0.67848147	189.739341	108.285501	38.280319	0.89161514	4.618041

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