Asteroid General Data

2021 RO₁₆

General information

Preliminary designation	2021 RO₁₆
Group	Apollo
Absolute magnitude	26.59
Approximate diameter (m)	13
Approximate mass (kg)	3.82·10⁶
Number of observations	33
Arc length (days)	30

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	0.387326
a – orbit major semiaxis (astronomical units)	1.18600800
e – orbit eccentricity	0.26411500
ω – orbit ascending node-perihelion angle (degrees)	219.361460
Ω – longitude of orbit ascending node (degrees)	60.106408
i – orbit inclination to the ecliptic plane (degrees)	0.414125

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	239.361871	1.18491533	0.26355123	146.693477	135.241899	0.533468	0.87262944	1.289827
01/21/1858	70.191701	1.18056096	0.26232595	160.256349	120.573769	0.406949	0.87086919	1.282724
01/29/1887	293.249866	1.18175062	0.26270600	160.444169	120.097470	0.409668	0.87129764	1.284663
02/07/1916	115.185171	1.18490765	0.26360906	174.562434	105.214614	0.428386	0.87255525	1.289815
02/14/1945	286.110980	1.18662982	0.26420431	175.455482	104.097469	0.433609	0.87311711	1.292628
02/22/1974	89.059348	1.18541948	0.26392438	175.781860	103.647034	0.432894	0.87255838	1.290651
03/02/2003	264.855702	1.18557897	0.26393948	175.859853	103.634959	0.434541	0.87265787	1.290911
03/09/2032	86.189673	1.18617883	0.26425352	219.307351	60.155231	0.413963	0.87272689	1.291891
03/17/2061	236.975836	1.18819714	0.26484998	219.172093	59.756355	0.418254	0.87350315	1.295190
03/25/2090	30.109886	1.18779352	0.26480202	220.566999	57.463518	0.428286	0.87326340	1.294530
04/03/2119	191.138708	1.18506874	0.26403873	235.680854	41.863678	0.493106	0.87216469	1.290078
04/10/2148	7.238079	1.18573688	0.26422220	235.501515	41.876864	0.491652	0.87243887	1.291169
04/18/2177	225.493485	1.18052174	0.26278189	240.703263	35.699521	0.530789	0.87030200	1.282660

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