Asteroid General Data

1997 ET₃₀ (168378)

General information

Preliminary designation	1997 ET₃₀
Number	168378
Group	Amor
Absolute magnitude	16.91
Approximate diameter (m)	1 100
Approximate mass (kg)	2.45·10¹²
Number of observations	1237
Arc length (days)	13370

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	87.237873
a – orbit major semiaxis (astronomical units)	2.13665600
e – orbit eccentricity	0.44946700
ω – orbit ascending node-perihelion angle (degrees)	263.353750
Ω – longitude of orbit ascending node (degrees)	23.207101
i – orbit inclination to the ecliptic plane (degrees)	6.811832

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	356.591642	2.13787115	0.44971627	257.689960	27.547168	6.908028	1.17643572	3.125884
01/21/1858	96.833897	2.13952056	0.44813216	258.155135	27.137676	6.898298	1.18073259	3.129503
01/29/1887	199.941650	2.13718691	0.44960987	259.515102	26.207518	6.872656	1.17628657	3.124384
02/07/1916	302.474530	2.13797762	0.44788584	259.892881	25.818261	6.867659	1.18040771	3.126118
02/14/1945	46.677988	2.13714266	0.44939047	261.330297	24.858734	6.841799	1.17673111	3.124287
02/22/1974	150.182865	2.13756772	0.44847049	261.638677	24.498914	6.836978	1.17893168	3.125219
03/02/2003	254.633172	2.13809839	0.44949522	263.060927	23.515411	6.812802	1.17703337	3.126383
03/09/2032	358.055932	2.13737350	0.44900498	263.395563	23.146311	6.811786	1.17768215	3.124793
03/17/2061	102.725062	2.13683711	0.45071988	264.397620	22.438157	6.784323	1.17372215	3.123617
03/25/2090	205.436454	2.13734818	0.44905291	265.165459	21.794497	6.780661	1.17756576	3.124737
04/03/2119	309.707872	2.13660128	0.45121651	266.194096	21.059782	6.763968	1.17253150	3.123100
04/10/2148	51.644723	2.13812656	0.44921707	266.947006	20.440468	6.759908	1.17764361	3.126445
04/18/2177	154.542849	2.13637842	0.45166730	268.091936	19.657410	6.745187	1.17144615	3.122611

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