Asteroid General Data

2018 PG₂₁ (894855)

General information

Preliminary designation	2018 PG₂₁
Number	894855
Group	Apollo
Absolute magnitude	19.43
Approximate diameter (m)	350
Approximate mass (kg)	7.55·10¹⁰
Number of observations	237
Arc length (days)	3041

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	34.413124
a – orbit major semiaxis (astronomical units)	2.55134600
e – orbit eccentricity	0.63590500
ω – orbit ascending node-perihelion angle (degrees)	189.966783
Ω – longitude of orbit ascending node (degrees)	37.597549
i – orbit inclination to the ecliptic plane (degrees)	15.829439

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	323.814408	2.57832280	0.61678948	180.871694	41.988180	17.276910	0.98804041	4.140059
01/21/1858	325.128612	2.57337554	0.61577784	180.783995	41.864262	17.276922	0.98874792	4.128149
01/29/1887	349.941109	2.54318915	0.62966977	181.530334	41.465339	17.441937	0.94181983	4.055726
02/07/1916	51.367203	2.53834455	0.63599847	184.485944	40.274794	17.070133	0.92396129	4.044143
02/14/1945	72.733340	2.57606561	0.61940924	185.785388	39.691650	16.596500	0.98042676	4.134624
02/22/1974	79.528266	2.57520576	0.61949165	185.779374	39.570130	16.585591	0.97988729	4.132554
03/02/2003	103.617838	2.53759813	0.63858277	186.969158	38.947096	16.625566	0.91713168	4.042359
03/09/2032	157.818447	2.55158239	0.63641333	190.023517	37.599236	15.830217	0.92772133	4.075820
03/17/2061	173.967897	2.57677962	0.62519690	190.700512	37.196040	15.524186	0.96578500	4.136343
03/25/2090	178.767892	2.57553721	0.62721322	190.622276	37.063103	15.531602	0.96012622	4.133352
04/03/2119	210.900542	2.53789081	0.64981261	192.428556	36.151029	15.305576	0.88873735	4.043058
04/10/2148	260.517865	2.56432424	0.63806315	195.769449	34.245685	14.229110	0.92812345	4.106388
04/18/2177	271.075826	2.57757628	0.63213477	196.069050	33.959032	14.078418	0.94820068	4.138261

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