Asteroid General Data

2021 UP₄

General information

Preliminary designation	2021 UP₄
Group	Apollo
Absolute magnitude	24.10
Approximate diameter (m)	40
Approximate mass (kg)	1.19·10⁸
Number of observations	28
Arc length (days)	69

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	97.334099
a – orbit major semiaxis (astronomical units)	2.41817500
e – orbit eccentricity	0.60478900
ω – orbit ascending node-perihelion angle (degrees)	120.159936
Ω – longitude of orbit ascending node (degrees)	314.170145
i – orbit inclination to the ecliptic plane (degrees)	1.492369

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	176.218346	2.41911069	0.60461443	98.541735	333.979878	1.352431	0.95648147	3.762567
01/21/1858	87.726546	2.40793052	0.61149929	102.842245	329.919209	1.392647	0.93548273	3.736513
01/29/1887	1.249337	2.41390839	0.60552719	103.804948	328.955741	1.390923	0.95222124	3.750436
02/07/1916	266.329790	2.40436320	0.60961778	110.503904	323.165399	1.424251	0.93862064	3.728213
02/14/1945	186.420622	2.40737648	0.60855242	110.973279	322.567124	1.423338	0.94236169	3.735224
02/22/1974	85.475991	2.41252536	0.60643281	117.574200	316.895622	1.471610	0.94949083	3.747214
03/02/2003	357.518424	2.41001939	0.61052404	118.716533	315.744384	1.480313	0.93864461	3.741377
03/09/2032	259.413407	2.42600205	0.60130186	122.566608	312.183174	1.517258	0.96724250	3.778656
03/17/2061	157.137734	2.41171733	0.60881276	126.153408	309.153175	1.561210	0.94343304	3.745331
03/25/2090	68.416555	2.41286498	0.60858216	126.507102	308.621409	1.562867	0.94443841	3.748005
04/03/2119	320.029532	2.41399669	0.60331614	131.518843	304.592325	1.627879	0.95759353	3.750642
04/10/2148	235.645994	2.40357134	0.60801656	133.110473	303.048789	1.650822	0.94216017	3.726371
04/18/2177	146.858595	2.41846700	0.59902009	134.995211	301.524368	1.672181	0.96975669	3.761065

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