Asteroid General Data

1999 JU₃ (162173 Ryugu)

General information

Preliminary designation	1999 JU₃
Name	Ryugu
Number	162173
Group	Apollo
Absolute magnitude	19.55
Approximate diameter (m)	330
Approximate mass (kg)	6.40·10¹⁰
Number of observations	4235
Arc length (days)	14345

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	138.184864
a – orbit major semiaxis (astronomical units)	1.19090800
e – orbit eccentricity	0.19104300
ω – orbit ascending node-perihelion angle (degrees)	211.606711
Ω – longitude of orbit ascending node (degrees)	251.289174
i – orbit inclination to the ecliptic plane (degrees)	5.866470

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	115.851862	1.19208741	0.19175956	208.589354	253.541797	5.884011	0.96349325	1.301556
01/21/1858	219.919068	1.19235812	0.19191727	208.921559	253.300987	5.883209	0.96352400	1.301999
01/29/1887	333.164780	1.18976497	0.19037899	209.439453	253.024451	5.892664	0.96325871	1.297754
02/07/1916	104.296246	1.18975726	0.19042995	209.757097	252.813737	5.891921	0.96319185	1.297741
02/14/1945	219.046319	1.19268916	0.19196510	210.333991	252.248561	5.875695	0.96373447	1.302541
02/22/1974	320.441488	1.19143977	0.19124965	210.791554	251.990573	5.876299	0.96357734	1.300495
03/02/2003	87.013351	1.18901689	0.19002830	211.294566	251.718744	5.884585	0.96307003	1.296530
03/09/2032	214.857969	1.19100771	0.19111589	211.653029	251.261178	5.866498	0.96338721	1.299788
03/17/2061	314.853489	1.19331447	0.19255951	211.982993	250.738906	5.841631	0.96353042	1.303566
03/25/2090	17.815298	1.20096097	0.19729015	211.462776	250.185404	5.734592	0.96402319	1.316115
04/03/2119	27.994848	1.20206668	0.19797373	211.818715	249.740312	5.718266	0.96408905	1.317933
04/10/2148	27.723871	1.20299261	0.19863324	212.224065	249.275750	5.702173	0.96403829	1.319456
04/18/2177	16.590928	1.20429906	0.19933609	212.611672	248.781885	5.679523	0.96423879	1.321606

Detailed table...

3D animation...

Calculation on the date...

Return to objects selection