Asteroid General Data

2021 PM₄

General information

Preliminary designation	2021 PM₄
Group	Amor
Absolute magnitude	26.53
Approximate diameter (m)	13
Approximate mass (kg)	4.15·10⁶
Number of observations	26
Arc length (days)	29

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	357.175059
a – orbit major semiaxis (astronomical units)	1.87900300
e – orbit eccentricity	0.42978200
ω – orbit ascending node-perihelion angle (degrees)	144.574646
Ω – longitude of orbit ascending node (degrees)	161.840123
i – orbit inclination to the ecliptic plane (degrees)	2.602328

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	93.091227	1.87968156	0.42885466	140.453934	164.478759	2.502694	1.07357136	2.577075
01/21/1858	189.586792	1.87726784	0.42856201	140.976596	164.111087	2.515625	1.07274217	2.572113
01/29/1887	289.661229	1.87772012	0.42848494	141.746704	163.628677	2.535203	1.07314532	2.573042
02/07/1916	24.270214	1.87999953	0.42919605	142.308987	163.283492	2.544704	1.07311117	2.577729
02/14/1945	118.328549	1.87847666	0.42927253	142.903204	162.922159	2.559076	1.07209823	2.574597
02/22/1974	213.285177	1.88018093	0.42930726	143.458071	162.550534	2.574473	1.07300560	2.578102
03/02/2003	306.123321	1.87947073	0.42971326	144.038974	162.197974	2.587208	1.07183723	2.576641
03/09/2032	42.404576	1.87912357	0.42928085	144.568155	161.820554	2.603306	1.07245180	2.575927
03/17/2061	135.952823	1.88062644	0.42912778	145.142635	161.460699	2.611463	1.07359739	2.579018
03/25/2090	230.997763	1.87830816	0.42914441	145.776674	161.053414	2.630928	1.07224271	2.574251
04/03/2119	326.480839	1.87992889	0.42898731	146.200755	160.801099	2.640978	1.07346325	2.577584
04/10/2148	60.317014	1.87949711	0.42921793	146.713934	160.496347	2.654225	1.07278325	2.576696
04/18/2177	158.111097	1.87868764	0.42911174	147.404119	160.075152	2.672771	1.07252072	2.575031

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