Asteroid General Data

1978 DA (2608 Seneca)

General information

Preliminary designation	1978 DA
Name	Seneca
Number	2608
Group	Amor
Absolute magnitude	17.48
Approximate diameter (m)	850
Approximate mass (kg)	1.12·10¹²
Number of observations	80
Arc length (days)	16284

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	84.166571
a – orbit major semiaxis (astronomical units)	2.53055800
e – orbit eccentricity	0.56475900
ω – orbit ascending node-perihelion angle (degrees)	38.712454
Ω – longitude of orbit ascending node (degrees)	166.418278
i – orbit inclination to the ecliptic plane (degrees)	14.429568

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	172.168135	2.51894311	0.56021738	26.789277	174.244952	16.377895	1.10778739	3.997865
01/21/1858	288.461837	2.48119295	0.58415755	29.645809	172.745458	16.097059	1.03178535	3.908332
01/29/1887	99.117470	2.45813807	0.59748841	30.536628	172.239964	16.086923	0.98942906	3.853985
02/07/1916	301.969785	2.44622099	0.60293944	30.569158	172.092360	16.128269	0.97129789	3.825993
02/14/1945	151.134961	2.45132976	0.60064581	30.590126	171.873221	16.079252	0.97894882	3.837985
02/22/1974	340.199903	2.46772387	0.59237535	31.429166	171.198152	15.855191	1.00590507	3.876551
03/02/2003	120.547060	2.50341270	0.57642488	35.599525	168.498004	14.999264	1.06038333	3.960949
03/09/2032	214.017586	2.52994445	0.56479935	38.793048	166.392293	14.422298	1.10103347	4.024084
03/17/2061	267.015947	2.55446201	0.55277814	40.087781	165.295798	14.162847	1.14241126	4.082722
03/25/2090	304.357878	2.55707692	0.55139239	40.105411	165.059175	14.144778	1.14712417	4.088992
04/03/2119	347.391781	2.54232560	0.55910964	40.136298	164.845715	14.176785	1.12088684	4.053660
04/10/2148	60.323070	2.51478549	0.57487706	41.590162	163.855772	14.064927	1.06909301	3.987971
04/18/2177	178.590463	2.48866548	0.59465128	44.877525	161.519796	13.649525	1.00877738	3.926001

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