Asteroid General Data

2015 HB₉

General information

Preliminary designation	2015 HB₉
Group	Apollo
Absolute magnitude	24.83
Approximate diameter (m)	29
Approximate mass (kg)	4.34·10⁷
Number of observations	53
Arc length (days)	22

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	280.551261
a – orbit major semiaxis (astronomical units)	2.10322000
e – orbit eccentricity	0.55023300
ω – orbit ascending node-perihelion angle (degrees)	303.791666
Ω – longitude of orbit ascending node (degrees)	217.618239
i – orbit inclination to the ecliptic plane (degrees)	5.360791

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	318.080694	2.10635056	0.54933929	293.121540	226.340695	4.981610	0.94924944	3.057008
01/21/1858	140.374007	2.10082607	0.55420477	294.180238	225.343521	5.009599	0.93653823	3.044989
01/29/1887	333.734252	2.09761864	0.55573694	296.759746	223.334386	5.089294	0.93189447	3.038018
02/07/1916	164.972044	2.10293374	0.55062881	298.317726	222.112653	5.140543	0.94499783	3.049573
02/14/1945	348.176982	2.10312083	0.54891746	298.724677	221.546449	5.166067	0.94868110	3.049980
02/22/1974	176.831266	2.10059215	0.55305881	299.905093	220.478471	5.196001	0.93884117	3.044481
03/02/2003	15.227201	2.09689336	0.55465896	302.468922	218.632404	5.299422	0.93383267	3.036443
03/09/2032	206.748476	2.10278144	0.55023585	303.817726	217.574119	5.362233	0.94575571	3.049241
03/17/2061	28.527033	2.10491518	0.54883625	304.080341	217.153818	5.377922	0.94966143	3.053884
03/25/2090	216.026090	2.09962446	0.55268341	305.162883	216.211612	5.425050	0.93919685	3.042377
04/03/2119	51.970898	2.09923700	0.55239245	307.978606	214.232448	5.550415	0.93963433	3.041535
04/10/2148	242.248480	2.10339810	0.54816923	308.794313	213.550403	5.591509	0.95037998	3.050583
04/18/2177	65.765498	2.10251236	0.54902008	309.108582	213.097256	5.610948	0.94819085	3.048656

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