Asteroid General Data

2012 SW₂₀ (482488)

General information

Preliminary designation	2012 SW₂₀
Number	482488
Group	Apollo
Absolute magnitude	19.77
Approximate diameter (m)	300
Approximate mass (kg)	4.72·10¹⁰
Number of observations	293
Arc length (days)	1500

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	241.691372
a – orbit major semiaxis (astronomical units)	2.47009600
e – orbit eccentricity	0.67474800
ω – orbit ascending node-perihelion angle (degrees)	63.527736
Ω – longitude of orbit ascending node (degrees)	208.605464
i – orbit inclination to the ecliptic plane (degrees)	10.049164

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	93.210375	2.55432827	0.62682271	50.308072	220.715000	11.055406	0.95321731	4.082401
01/21/1858	141.249173	2.54205052	0.63252964	50.435028	220.398687	11.062618	0.93412821	4.053003
01/29/1887	220.254312	2.50960574	0.65062682	53.265212	217.990114	10.845536	0.87678894	3.975657
02/07/1916	343.168855	2.48817538	0.66502014	57.430361	214.336523	10.491224	0.83348865	3.924841
02/14/1945	151.966604	2.45625665	0.68222927	60.605512	211.438368	10.294620	0.78052646	3.849561
02/22/1974	353.921717	2.44741444	0.68608935	61.008872	210.998141	10.286157	0.76826945	3.828793
03/02/2003	201.879089	2.45232387	0.68325931	61.442239	210.482201	10.234198	0.77675075	3.840319
03/09/2032	29.466572	2.46866604	0.67461705	63.725357	208.386210	10.053165	0.80326185	3.878771
03/17/2061	172.138705	2.50477092	0.66359261	71.310765	201.770423	9.484475	0.84262346	3.964173
03/25/2090	266.574875	2.53143342	0.65038593	79.254410	194.599238	9.199986	0.88502473	4.027638
04/03/2119	320.931786	2.55283057	0.64053054	81.532799	192.524157	9.129980	0.91766463	4.078811
04/10/2148	357.120314	2.55786455	0.63740463	81.852209	192.016783	9.121198	0.92746985	4.090882
04/18/2177	37.977078	2.54967234	0.64135816	82.340060	191.461984	9.128974	0.91441919	4.071244

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