Asteroid General Data

2011 GP₂₈

General information

Preliminary designation	2011 GP₂₈
Group	Apollo
Absolute magnitude	29.37
Approximate diameter (m)	4
Approximate mass (kg)	8.20·10⁴
Number of observations	14
Arc length (days)	1

Approaches

Date	Object	r, AU	r, km
04/06/2011 07:40:48 PM	Earth	0.000637	95 352

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	108.611555
a – orbit major semiaxis (astronomical units)	1.50366638
e – orbit eccentricity	0.50434904
ω – orbit ascending node-perihelion angle (degrees)	256.590323
Ω – longitude of orbit ascending node (degrees)	16.138441
i – orbit inclination to the ecliptic plane (degrees)	3.809021

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	144.368707	1.59836528	0.52160117	247.997079	19.648917	4.087189	0.76465607	2.020760
01/21/1858	284.966804	1.59446880	0.52103602	248.584800	19.201576	4.090128	0.76369313	2.013375
01/29/1887	75.925038	1.59419496	0.52020972	249.529218	18.367822	4.095803	0.76487925	2.012856
02/07/1916	227.718450	1.59351707	0.52023058	249.968839	18.018631	4.086496	0.76452076	2.011573
02/14/1945	20.832907	1.59407409	0.52070968	250.690685	17.476972	4.072214	0.76402429	2.012627
02/22/1974	171.906285	1.59418999	0.52070581	251.352957	16.968445	4.055421	0.76408600	2.012847
03/02/2003	324.663671	1.59296507	0.52007413	251.997360	16.471034	4.043262	0.76450515	2.010527
03/09/2032	97.611296	1.50362920	0.50426200	256.619208	16.103391	3.808375	0.74540614	1.843791
03/17/2061	4.990248	1.50332681	0.50450150	257.087407	15.694559	3.803441	0.74489618	1.843235
03/25/2090	282.712422	1.50160690	0.50401135	257.662325	15.261315	3.809459	0.74477998	1.840073
04/03/2119	178.970766	1.50779483	0.50596762	258.204383	14.863856	3.798675	0.74489947	1.851459
04/10/2148	58.199994	1.50913111	0.50603665	258.627731	14.393260	3.801346	0.74545545	1.853920
04/18/2177	297.835672	1.50796741	0.50572205	259.104145	14.016824	3.799072	0.74535504	1.851776

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