Asteroid General Data

2009 RD₁

General information

Preliminary designation	2009 RD₁
Group	Amor
Absolute magnitude	20.48
Approximate diameter (m)	210
Approximate mass (kg)	1.77·10¹⁰
Number of observations	114
Arc length (days)	91

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	42.904576
a – orbit major semiaxis (astronomical units)	2.56811700
e – orbit eccentricity	0.54158900
ω – orbit ascending node-perihelion angle (degrees)	0.927062
Ω – longitude of orbit ascending node (degrees)	353.411277
i – orbit inclination to the ecliptic plane (degrees)	2.096336

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	102.974726	2.56891525	0.53819136	355.042299	356.341537	2.368328	1.18634727	4.117421
01/21/1858	117.779825	2.57014621	0.53844378	356.819259	355.921578	2.294085	1.18626697	4.120381
01/29/1887	121.412422	2.57920410	0.53079436	357.235707	355.529278	2.248499	1.21017710	4.142182
02/07/1916	124.939820	2.57422888	0.53495701	357.393072	355.162933	2.247619	1.19712709	4.130203
02/14/1945	140.617972	2.57110641	0.54088128	359.126366	354.681211	2.194840	1.18044309	4.122690
02/22/1974	146.792884	2.58123062	0.53067636	0.095833	354.056804	2.115239	1.21143255	4.147065
03/02/2003	148.158390	2.57845846	0.53385469	0.131750	353.705485	2.113832	1.20193632	4.140386
03/09/2032	159.512040	2.56773498	0.54190072	1.953049	353.115963	2.047535	1.17627754	4.114584
03/17/2061	166.711121	2.57918607	0.53313959	2.974488	352.556082	1.981483	1.20411986	4.142139
03/25/2090	166.102845	2.57679728	0.53418629	3.019809	352.210324	1.973340	1.20030749	4.136385
04/03/2119	176.360967	2.56612087	0.54369564	4.254508	351.719243	1.937754	1.17093215	4.110705
04/10/2148	184.073213	2.58053245	0.53435894	5.995931	350.923859	1.839237	1.20160188	4.145382
04/18/2177	182.439008	2.58263741	0.53316117	6.137626	350.471845	1.825008	1.20567543	4.150456

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