Asteroid General Data

2018 SP₂

General information

Preliminary designation	2018 SP₂
Group	Aten
Absolute magnitude	24.88
Approximate diameter (m)	28
Approximate mass (kg)	4.05·10⁷
Number of observations	59
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	242.858563
a – orbit major semiaxis (astronomical units)	0.92438100
e – orbit eccentricity	0.20539200
ω – orbit ascending node-perihelion angle (degrees)	303.463982
Ω – longitude of orbit ascending node (degrees)	187.194887
i – orbit inclination to the ecliptic plane (degrees)	26.780447

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	198.530969	0.92223206	0.21237049	303.386853	187.980499	26.636123	0.72637719	0.885648
01/21/1858	115.723139	0.92370099	0.21111234	303.009458	187.861383	26.640237	0.72869631	0.887764
01/29/1887	10.488348	0.92337998	0.21133269	303.254415	187.753606	26.648677	0.72823961	0.887302
02/07/1916	265.788985	0.92365869	0.21094703	303.166680	187.642522	26.652986	0.72881563	0.887703
02/14/1945	171.442071	0.92263816	0.20784677	303.745057	187.521507	26.743662	0.73087080	0.886233
02/22/1974	94.342020	0.92115217	0.20815713	304.214499	187.401202	26.763637	0.72940778	0.884092
03/02/2003	32.532125	0.92128547	0.20795776	304.236623	187.292949	26.768146	0.72969701	0.884284
03/09/2032	312.365042	0.92076373	0.20558514	304.651983	187.169310	26.836000	0.73146839	0.883533
03/17/2061	255.165024	0.92086728	0.20537231	304.714582	187.059066	26.841669	0.73174663	0.883682
03/25/2090	218.986646	0.91943598	0.20590769	305.220624	186.944232	26.858104	0.73011704	0.881623
04/03/2119	191.583217	0.91953753	0.20566039	305.246472	186.833168	26.864490	0.73042508	0.881769
04/10/2148	148.334259	0.92076156	0.20481275	304.940030	186.720631	26.864730	0.73217785	0.883530
04/18/2177	95.491340	0.92047951	0.20480353	305.111659	186.607603	26.872454	0.73196205	0.883124

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