Asteroid General Data

2018 SE₃

General information

Preliminary designation	2018 SE₃
Group	Amor
Absolute magnitude	23.44
Approximate diameter (m)	54
Approximate mass (kg)	2.96·10⁸
Number of observations	43
Arc length (days)	1641

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	178.709450
a – orbit major semiaxis (astronomical units)	1.17758700
e – orbit eccentricity	0.01876700
ω – orbit ascending node-perihelion angle (degrees)	78.488975
Ω – longitude of orbit ascending node (degrees)	186.627098
i – orbit inclination to the ecliptic plane (degrees)	36.733746

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	280.520011	1.17744809	0.01859399	78.355606	187.166435	36.719034	1.15555464	1.277654
01/21/1858	177.661392	1.17743410	0.01857931	78.565155	187.086256	36.720832	1.15555820	1.277631
01/29/1887	75.350771	1.17745992	0.01860298	78.321266	187.008371	36.723826	1.15555566	1.277673
02/07/1916	333.098818	1.17740102	0.01857715	78.089239	186.929030	36.726062	1.15552826	1.277577
02/14/1945	230.499386	1.17738877	0.01866859	78.285358	186.848856	36.726752	1.15540858	1.277557
02/22/1974	127.742682	1.17741473	0.01864662	78.455572	186.770243	36.728713	1.15545993	1.277600
03/02/2003	24.855348	1.17751503	0.01874797	78.446767	186.690435	36.728879	1.15543901	1.277763
03/09/2032	281.846283	1.17748316	0.01872066	78.298629	186.615056	36.730202	1.15543989	1.277711
03/17/2061	178.498124	1.17752340	0.01875369	78.306034	186.535802	36.731034	1.15544048	1.277777
03/25/2090	74.744828	1.17751742	0.01870295	78.387945	186.458943	36.734274	1.15549438	1.277767
04/03/2119	330.677409	1.17763731	0.01884771	78.417234	186.380952	36.735681	1.15544154	1.277962
04/10/2148	226.327348	1.17757503	0.01883116	78.538848	186.301320	36.738748	1.15539993	1.277861
04/18/2177	121.894566	1.17760407	0.01885653	78.520516	186.222690	36.741206	1.15539854	1.277908

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