Asteroid General Data

2018 HR

General information

Preliminary designation	2018 HR
Group	Apollo
Absolute magnitude	25.53
Approximate diameter (m)	21
Approximate mass (kg)	1.65·10⁷
Number of observations	25
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	276.179732
a – orbit major semiaxis (astronomical units)	1.47516800
e – orbit eccentricity	0.34143000
ω – orbit ascending node-perihelion angle (degrees)	306.455616
Ω – longitude of orbit ascending node (degrees)	210.300447
i – orbit inclination to the ecliptic plane (degrees)	16.995153

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	151.035648	1.47474538	0.34277723	304.516532	211.667994	16.870501	0.96923624	1.790920
01/21/1858	223.850878	1.47465823	0.34250877	304.807352	211.450671	16.891218	0.96957486	1.790761
01/29/1887	298.482214	1.47463225	0.34226510	305.046019	211.271791	16.903569	0.96991710	1.790714
02/07/1916	10.699711	1.47478224	0.34227579	305.388205	211.050092	16.923258	0.96999998	1.790987
02/14/1945	82.393685	1.47497442	0.34205743	305.646896	210.858842	16.940596	0.97044846	1.791337
02/22/1974	154.154942	1.47530817	0.34185996	305.898732	210.671180	16.952375	0.97095938	1.791945
03/02/2003	225.411750	1.47494512	0.34155861	306.203563	210.462875	16.976357	0.97116491	1.791284
03/09/2032	296.589528	1.47499851	0.34131243	306.465971	210.272815	16.995680	0.97156319	1.791381
03/17/2061	8.516589	1.47526330	0.34113712	306.753360	210.069060	17.012893	0.97199623	1.791863
03/25/2090	82.251617	1.47472411	0.34069925	307.021091	209.886728	17.032576	0.97228671	1.790881
04/03/2119	155.302082	1.47446182	0.34048392	307.320715	209.672248	17.052646	0.97243129	1.790403
04/10/2148	228.073603	1.47497718	0.34035747	307.615855	209.480759	17.070135	0.97295768	1.791342
04/18/2177	300.170812	1.47509316	0.34020222	307.911536	209.282815	17.087803	0.97326319	1.791554

Detailed table...

3D animation...

Calculation on the date...

Return to search