Asteroid General Data

1999 RU₂

General information

Preliminary designation	1999 RU₂
Group	Amor
Absolute magnitude	20.17
Approximate diameter (m)	250
Approximate mass (kg)	2.72·10¹⁰
Number of observations	141
Arc length (days)	61

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	256.254082
a – orbit major semiaxis (astronomical units)	2.80639100
e – orbit eccentricity	0.56017600
ω – orbit ascending node-perihelion angle (degrees)	202.965784
Ω – longitude of orbit ascending node (degrees)	179.409149
i – orbit inclination to the ecliptic plane (degrees)	5.450412

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	38.957509	2.82275289	0.55122100	200.510810	181.926782	5.404223	1.26679221	4.742528
01/21/1858	75.189109	2.82686350	0.54866382	200.920848	181.508828	5.390214	1.27586578	4.752891
01/29/1887	104.079813	2.83473309	0.54544548	201.370159	181.086302	5.375738	1.28854074	4.772752
02/07/1916	130.432588	2.84162193	0.54291480	201.727900	180.574667	5.363469	1.29886333	4.790160
02/14/1945	161.346114	2.83176085	0.54851018	201.977312	180.216580	5.405681	1.27851120	4.765248
02/22/1974	204.332140	2.81310558	0.55651067	202.461221	179.941132	5.433164	1.24758232	4.718236
03/02/2003	257.719849	2.80827793	0.55898347	202.747635	179.678706	5.444168	1.23849698	4.706096
03/09/2032	314.747524	2.81727063	0.55572993	203.126121	179.182539	5.425247	1.25162901	4.728719
03/17/2061	8.304298	2.81968256	0.55376721	203.675777	178.732378	5.414290	1.25823483	4.734792
03/25/2090	55.639184	2.82014769	0.55318174	204.072883	178.247220	5.406688	1.26009349	4.735964
04/03/2119	94.153865	2.82545022	0.55036910	204.531678	177.795336	5.387418	1.27040973	4.749327
04/10/2148	124.510711	2.83518829	0.54612726	205.067501	177.333576	5.365185	1.28681468	4.773902
04/18/2177	150.432649	2.84258674	0.54291643	205.462346	176.756213	5.346438	1.29929971	4.792600

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