Asteroid General Data

1989 UP (496816)

General information

Preliminary designation	1989 UP
Number	496816
Group	Apollo
Absolute magnitude	20.54
Approximate diameter (m)	210
Approximate mass (kg)	1.63·10¹⁰
Number of observations	371
Arc length (days)	12162

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	168.180097
a – orbit major semiaxis (astronomical units)	1.86150200
e – orbit eccentricity	0.47213600
ω – orbit ascending node-perihelion angle (degrees)	17.839171
Ω – longitude of orbit ascending node (degrees)	53.150846
i – orbit inclination to the ecliptic plane (degrees)	3.854482

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	321.828763	1.85931860	0.47178604	13.750238	55.486653	4.210716	0.98211803	2.535312
01/21/1858	110.026737	1.86455161	0.47246000	14.332247	55.001645	4.120248	0.98362556	2.546022
01/29/1887	245.488349	1.86721993	0.47379904	14.868780	54.535742	4.061718	0.98253292	2.551490
02/07/1916	23.225219	1.86778778	0.47343407	15.399673	54.245419	4.044400	0.98351342	2.552654
02/14/1945	157.442574	1.86512143	0.47307401	16.487780	53.838097	3.887002	0.98278095	2.547190
02/22/1974	296.627059	1.86745699	0.47333377	16.968352	53.563541	3.867026	0.98352653	2.551976
03/02/2003	75.637316	1.86424900	0.47256236	17.462128	53.336050	3.859973	0.98327510	2.545403
03/09/2032	224.213053	1.86240781	0.47186371	17.889381	53.118563	3.850771	0.98360516	2.541633
03/17/2061	13.835168	1.86421396	0.47304085	18.585687	52.583272	3.800226	0.98236460	2.545331
03/25/2090	154.650569	1.86762180	0.47333810	19.170429	52.103807	3.759367	0.98360525	2.552313
04/03/2119	291.253603	1.86605978	0.47348166	19.604558	51.843303	3.746726	0.98251470	2.549112
04/10/2148	63.513381	1.86901026	0.47345577	20.191051	51.417319	3.715219	0.98411656	2.555160
04/18/2177	185.598705	1.87186227	0.47438955	20.922393	50.849929	3.662883	0.98387036	2.561011

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