Asteroid General Data

2004 HC (276770)

General information

Preliminary designation	2004 HC
Number	276770
Group	Aten
Absolute magnitude	19.94
Approximate diameter (m)	270
Approximate mass (kg)	3.73·10¹⁰
Number of observations	245
Arc length (days)	7681

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	231.090114
a – orbit major semiaxis (astronomical units)	0.78915100
e – orbit eccentricity	0.59868700
ω – orbit ascending node-perihelion angle (degrees)	159.374416
Ω – longitude of orbit ascending node (degrees)	202.973151
i – orbit inclination to the ecliptic plane (degrees)	28.985017

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	247.686825	0.78933792	0.59953142	158.844121	203.550134	28.906107	0.31610504	0.701286
01/21/1858	26.801374	0.78931933	0.59954669	158.930606	203.463454	28.914089	0.31608554	0.701261
01/29/1887	167.216566	0.78920235	0.59927263	159.003431	203.379378	28.934538	0.31625498	0.701105
02/07/1916	310.870781	0.78911075	0.59929215	159.093722	203.291652	28.938558	0.31620287	0.700983
02/14/1945	93.554806	0.78923410	0.59908968	159.155367	203.208158	28.951911	0.31641209	0.701147
02/22/1974	235.773748	0.78911307	0.59895525	159.247456	203.124675	28.966649	0.31646965	0.700986
03/02/2003	20.319738	0.78913031	0.59882058	159.314476	203.040556	28.970904	0.31658284	0.701009
03/09/2032	162.968002	0.78909504	0.59865132	159.398050	202.957587	28.988228	0.31670225	0.700962
03/17/2061	307.450486	0.78912780	0.59857739	159.477417	202.872249	28.991370	0.31677374	0.701006
03/25/2090	91.395962	0.78916286	0.59835819	159.553067	202.787916	29.009186	0.31696080	0.701053
04/03/2119	235.626678	0.78909711	0.59835368	159.645600	202.705898	29.023834	0.31693795	0.700965
04/10/2148	18.792703	0.78917342	0.59825827	159.715453	202.617900	29.030960	0.31704390	0.701067
04/18/2177	166.865991	0.78897412	0.59798055	159.797387	202.535629	29.051492	0.31718294	0.700801

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