Asteroid General Data

1991 JW (207945)

General information

Preliminary designation	1991 JW
Number	207945
Group	Apollo
Absolute magnitude	19.61
Approximate diameter (m)	320
Approximate mass (kg)	5.89·10¹⁰
Number of observations	355
Arc length (days)	25842

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	23.419494
a – orbit major semiaxis (astronomical units)	1.03898200
e – orbit eccentricity	0.11866700
ω – orbit ascending node-perihelion angle (degrees)	301.990563
Ω – longitude of orbit ascending node (degrees)	53.842889
i – orbit inclination to the ecliptic plane (degrees)	8.709186

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	135.435535	1.03857754	0.11862788	302.152322	55.736626	8.751138	0.91537329	1.058422
01/21/1858	274.912580	1.03949088	0.11886566	302.089162	55.420835	8.739908	0.91593111	1.059819
01/29/1887	62.679178	1.03824037	0.11849230	301.913432	55.091425	8.739975	0.91521687	1.057907
02/07/1916	217.195434	1.03858509	0.11850780	301.959609	54.893171	8.736205	0.91550466	1.058434
02/14/1945	359.392931	1.03949201	0.11883696	301.968602	54.570753	8.722437	0.91596194	1.059821
02/22/1974	142.453721	1.03808441	0.11840012	301.748643	54.250837	8.722689	0.91517509	1.057669
03/02/2003	298.081136	1.03833010	0.11841165	301.804094	54.048860	8.720897	0.91537972	1.058044
03/09/2032	83.929577	1.03959018	0.11869515	301.902530	53.720023	8.704811	0.91619587	1.059971
03/17/2061	223.503457	1.03927813	0.11858220	301.898026	53.523360	8.704728	0.91603824	1.059493
03/25/2090	18.289881	1.03819142	0.11827502	301.751312	53.195032	8.703746	0.91539931	1.057832
04/03/2119	168.140962	1.03950889	0.11868947	301.761454	52.864029	8.686553	0.91613013	1.059846
04/10/2148	306.574563	1.03942446	0.11861339	301.840759	52.665504	8.686098	0.91613480	1.059717
04/18/2177	98.178528	1.03818664	0.11827038	301.611356	52.338447	8.685041	0.91539991	1.057825

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