Asteroid General Data

2021 ER₁

General information

Preliminary designation	2021 ER₁
Group	Amor
Absolute magnitude	24.39
Approximate diameter (m)	35
Approximate mass (kg)	7.98·10⁷
Number of observations	44
Arc length (days)	34

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	121.550512
a – orbit major semiaxis (astronomical units)	1.74847300
e – orbit eccentricity	0.36073200
ω – orbit ascending node-perihelion angle (degrees)	219.964575
Ω – longitude of orbit ascending node (degrees)	349.015613
i – orbit inclination to the ecliptic plane (degrees)	8.785810

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	295.152370	1.74787107	0.35953330	217.055932	350.836094	8.914557	1.11945321	2.310812
01/21/1858	135.857513	1.74763474	0.36036703	217.338566	350.619976	8.903474	1.11784480	2.310344
01/29/1887	335.670837	1.74840858	0.35983471	217.849939	350.303637	8.879435	1.11927049	2.311878
02/07/1916	174.612141	1.74881084	0.36001110	218.323628	350.059297	8.856982	1.11921953	2.312676
02/14/1945	15.083141	1.74791587	0.36036375	218.668570	349.792629	8.842325	1.11803036	2.310901
02/22/1974	215.402171	1.74768745	0.36004465	219.057492	349.525001	8.826728	1.11844193	2.310448
03/02/2003	54.540061	1.74813432	0.36006316	219.658182	349.215182	8.798777	1.11869555	2.311335
03/09/2032	254.339381	1.74823865	0.36060918	220.003592	348.988556	8.783490	1.11780774	2.311541
03/17/2061	93.538683	1.74831169	0.36025957	220.528989	348.657543	8.761235	1.11846568	2.311686
03/25/2090	292.891530	1.74856597	0.36049397	220.965348	348.409615	8.741222	1.11821848	2.312191
04/03/2119	133.658448	1.74753830	0.36137256	221.294577	348.181888	8.728015	1.11602590	2.310153
04/10/2148	333.835144	1.74801214	0.36072608	221.744743	347.868182	8.709686	1.11745857	2.311092
04/18/2177	172.709866	1.74872809	0.36062495	222.294869	347.577280	8.683422	1.11809312	2.312512

Detailed table...

3D animation...

Calculation on the date...

Return to search