Asteroid General Data

1999 OR₃ (38239)

General information

Preliminary designation	1999 OR₃
Number	38239
Group	Apollo
Absolute magnitude	18.33
Approximate diameter (m)	570
Approximate mass (kg)	3.45·10¹¹
Number of observations	197
Arc length (days)	9339

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	146.621526
a – orbit major semiaxis (astronomical units)	2.03524000
e – orbit eccentricity	0.57578400
ω – orbit ascending node-perihelion angle (degrees)	28.552623
Ω – longitude of orbit ascending node (degrees)	199.753994
i – orbit inclination to the ecliptic plane (degrees)	9.404981

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	59.738759	2.02843818	0.58072819	24.310520	202.451284	9.719462	0.85046695	2.888972
01/21/1858	76.486512	2.02873808	0.58056702	24.422658	202.225991	9.711628	0.85091966	2.889612
01/29/1887	83.011155	2.03469141	0.57557828	25.246631	201.680058	9.613624	0.86356723	2.902341
02/07/1916	78.881028	2.03666130	0.57540797	26.256521	201.228371	9.553033	0.86475017	2.906557
02/14/1945	84.282116	2.03018129	0.58124190	26.741808	200.981177	9.565567	0.85015487	2.892696
02/22/1974	98.661282	2.02905705	0.58199374	26.869558	200.765101	9.564748	0.84815855	2.890294
03/02/2003	107.604610	2.03325597	0.57702166	27.570665	200.219323	9.484076	0.86002324	2.899270
03/09/2032	105.267441	2.03584806	0.57614551	28.580519	199.727630	9.405013	0.86290335	2.904816
03/17/2061	106.169771	2.02983340	0.58166393	29.319593	199.410102	9.395058	0.84915252	2.891953
03/25/2090	120.571138	2.02803138	0.58305142	29.430155	199.217532	9.399392	0.84558481	2.888103
04/03/2119	134.803124	2.03106810	0.58042480	29.761580	198.880077	9.360819	0.85218580	2.894592
04/10/2148	136.151160	2.03502227	0.57689093	30.988673	198.153848	9.245710	0.86103639	2.903049
04/18/2177	137.886812	2.03183432	0.58031262	31.828918	197.757683	9.216358	0.85273522	2.896230

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