Asteroid General Data

2018 PW₂₁

General information

Preliminary designation	2018 PW₂₁
Group	Amor
Absolute magnitude	24.95
Approximate diameter (m)	27
Approximate mass (kg)	3.68·10⁷
Number of observations	25
Arc length (days)	26

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	220.901562
a – orbit major semiaxis (astronomical units)	2.13715900
e – orbit eccentricity	0.49131700
ω – orbit ascending node-perihelion angle (degrees)	154.235199
Ω – longitude of orbit ascending node (degrees)	143.297036
i – orbit inclination to the ecliptic plane (degrees)	9.185645

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	102.322079	2.13594419	0.49090778	149.746673	145.944413	8.844343	1.08739257	3.121659
01/21/1858	210.775151	2.13423661	0.49157640	150.661496	145.485314	8.912972	1.08509626	3.117916
01/29/1887	317.526775	2.13557057	0.49063127	150.948427	145.191391	8.935606	1.08779287	3.120840
02/07/1916	64.049723	2.13517411	0.49172521	151.945614	144.714304	9.007988	1.08525516	3.119971
02/14/1945	169.973481	2.13439503	0.49084854	152.273864	144.415314	9.035697	1.08673034	3.118264
02/22/1974	279.188089	2.13479814	0.49155440	153.133882	143.990650	9.099748	1.08542873	3.119147
03/02/2003	25.754228	2.13564911	0.49112818	153.471889	143.702336	9.123832	1.08677164	3.121012
03/09/2032	132.416266	2.13588021	0.49168578	154.324108	143.268439	9.190560	1.08569828	3.121519
03/17/2061	238.473892	2.13503131	0.49060539	154.670248	142.978402	9.215244	1.08757345	3.119658
03/25/2090	347.497533	2.13449953	0.49148765	155.433870	142.590538	9.277583	1.08541938	3.118493
04/03/2119	93.086273	2.13767074	0.48939670	155.789839	142.368032	9.287440	1.09150173	3.125445
04/10/2148	197.191468	2.13662722	0.49179471	156.686297	141.903678	9.368660	1.08584525	3.123156
04/18/2177	298.446386	2.14010252	0.48961974	156.973213	141.710724	9.376507	1.09226607	3.130779

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