Asteroid General Data

2021 ND₁

General information

Preliminary designation	2021 ND₁
Group	Apollo
Absolute magnitude	23.43
Approximate diameter (m)	55
Approximate mass (kg)	3.01·10⁸
Number of observations	22
Arc length (days)	13

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	89.410005
a – orbit major semiaxis (astronomical units)	2.55627700
e – orbit eccentricity	0.60809200
ω – orbit ascending node-perihelion angle (degrees)	216.986903
Ω – longitude of orbit ascending node (degrees)	111.290932
i – orbit inclination to the ecliptic plane (degrees)	18.369854

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	42.356424	2.56948264	0.58854931	210.567655	115.974914	19.765902	1.05721540	4.118785
01/21/1858	56.589861	2.57249596	0.58663464	210.749524	115.686834	19.696865	1.06338071	4.126033
01/29/1887	75.759556	2.55796168	0.59559781	210.939891	115.412252	19.720267	1.03444531	4.091115
02/07/1916	111.477471	2.55420189	0.60259657	212.995314	114.237169	19.279156	1.01504858	4.082098
02/14/1945	133.767842	2.57009409	0.59436468	214.323136	113.284956	18.901942	1.04252093	4.120255
02/22/1974	147.706286	2.57143221	0.59389866	214.356776	113.000080	18.861763	1.04426207	4.123474
03/02/2003	172.910055	2.55775260	0.60529346	214.876246	112.588689	18.810229	1.00956168	4.090613
03/09/2032	209.447331	2.56129779	0.60509663	217.855959	110.631257	18.146770	1.01146512	4.099121
03/17/2061	228.980682	2.56952461	0.59940483	218.518131	110.012661	17.969261	1.02933914	4.118886
03/25/2090	245.609433	2.56448883	0.60226203	218.494035	109.798204	17.966027	1.01999459	4.106784
04/03/2119	277.213399	2.55203307	0.61290693	219.640496	108.972767	17.783608	0.98787432	4.076900
04/10/2148	308.524267	2.56995542	0.60756537	222.739036	106.703459	17.101568	1.00853951	4.119922
04/18/2177	323.097780	2.57281813	0.60480247	223.067246	106.308172	17.029143	1.01677136	4.126808

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