Asteroid General Data

2021 PH

General information

Preliminary designation	2021 PH
Group	Apollo
Absolute magnitude	22.83
Approximate diameter (m)	72
Approximate mass (kg)	6.88·10⁸
Number of observations	22
Arc length (days)	13

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	275.067555
a – orbit major semiaxis (astronomical units)	1.13672000
e – orbit eccentricity	0.10844800
ω – orbit ascending node-perihelion angle (degrees)	349.594062
Ω – longitude of orbit ascending node (degrees)	129.181116
i – orbit inclination to the ecliptic plane (degrees)	41.641784

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	247.815637	1.13668103	0.10874794	348.608511	129.650583	41.632377	1.01306931	1.211877
01/21/1858	225.518608	1.13691332	0.10889599	348.834307	129.580802	41.631066	1.01310802	1.212248
01/29/1887	202.228990	1.13716074	0.10899485	348.941889	129.513921	41.631080	1.01321608	1.212644
02/07/1916	179.959357	1.13695903	0.10882362	349.089348	129.444263	41.634308	1.01323103	1.212322
02/14/1945	158.993597	1.13667237	0.10855578	349.220535	129.375776	41.638272	1.01328001	1.211863
02/22/1974	139.539694	1.13651376	0.10833457	349.360722	129.305937	41.642527	1.01339003	1.211609
03/02/2003	121.079370	1.13679232	0.10856042	349.498149	129.235643	41.640438	1.01338167	1.212055
03/09/2032	101.643770	1.13670627	0.10837107	349.587812	129.167730	41.642320	1.01352020	1.211917
03/17/2061	79.093995	1.13690942	0.10853477	349.812074	129.097063	41.641019	1.01351521	1.212242
03/25/2090	55.630480	1.13692687	0.10844837	349.928961	129.027966	41.641015	1.01362900	1.212270
04/03/2119	33.425982	1.13703669	0.10851708	350.058436	128.958229	41.640739	1.01364879	1.212446
04/10/2148	12.691594	1.13665055	0.10810965	350.215899	128.892128	41.644994	1.01376766	1.211828
04/18/2177	353.354222	1.13655690	0.10801825	350.381310	128.822540	41.647108	1.01378801	1.211678

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