Asteroid General Data

2015 HB₁₇₇

General information

Preliminary designation	2015 HB₁₇₇
Group	Apollo
Absolute magnitude	24.57
Approximate diameter (m)	32
Approximate mass (kg)	6.22·10⁷
Number of observations	78
Arc length (days)	3654

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	11.027900
a – orbit major semiaxis (astronomical units)	1.07403100
e – orbit eccentricity	0.35905400
ω – orbit ascending node-perihelion angle (degrees)	177.577024
Ω – longitude of orbit ascending node (degrees)	158.424255
i – orbit inclination to the ecliptic plane (degrees)	1.619414

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	293.277587	1.07067941	0.35869201	169.860163	166.861390	1.477318	0.68663526	1.107873
01/21/1858	10.102415	1.06949919	0.35809565	170.682743	165.623965	1.548456	0.68651618	1.106041
01/29/1887	96.000803	1.06884901	0.35758241	172.590272	163.613522	1.582881	0.68664741	1.105033
02/07/1916	190.451454	1.06933239	0.35769248	172.897469	163.297684	1.585428	0.68684024	1.105782
02/14/1945	254.994153	1.07236257	0.35886746	173.153193	163.062200	1.595372	0.68752653	1.110486
02/22/1974	289.855151	1.07471260	0.35918223	175.037168	161.005312	1.599577	0.68869493	1.114138
03/02/2003	311.206661	1.07386378	0.35908509	175.825768	160.047779	1.614472	0.68825531	1.112819
03/09/2032	341.766436	1.07418695	0.35916317	177.796752	158.229063	1.625520	0.68837856	1.113321
03/17/2061	3.588721	1.07423148	0.35911342	177.813667	158.098422	1.664064	0.68846054	1.113390
03/25/2090	19.683836	1.07506528	0.35904384	178.125555	157.845142	1.690126	0.68906971	1.114687
04/03/2119	35.365004	1.07520284	0.35883517	179.173462	156.745749	1.716756	0.68938225	1.114901
04/10/2148	42.380063	1.07576416	0.35907465	180.994742	154.791638	1.732599	0.68948452	1.115774
04/18/2177	39.114067	1.07716534	0.35943586	181.415892	154.414936	1.766348	0.68999349	1.117955

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