Asteroid General Data

2021 RP₂

General information

Preliminary designation	2021 RP₂
Group	Apollo
Absolute magnitude	30.26
Approximate diameter (m)	2
Approximate mass (kg)	2.40·10⁴
Number of observations	61
Arc length (days)	4

Approaches

Date	Object	r, AU	r, km
09/08/2021 01:48:00 PM	Earth	0.000803	120 060
09/09/2021 05:25:26 AM	Moon	0.000795	118 928
09/07/2110 05:45:36 PM	Earth	0.000047	6 989

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	69.738040
a – orbit major semiaxis (astronomical units)	1.10276156
e – orbit eccentricity	0.17642526
ω – orbit ascending node-perihelion angle (degrees)	73.164740
Ω – longitude of orbit ascending node (degrees)	342.197230
i – orbit inclination to the ecliptic plane (degrees)	0.031961

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	192.441870	1.03119918	0.16592865	100.114882	359.180991	0.287777	0.86009369	1.047163
01/21/1858	81.645516	1.03232067	0.16601266	101.659183	358.800847	0.281413	0.86094237	1.048872
01/29/1887	358.996057	1.01143472	0.16475100	101.736807	349.568241	0.140985	0.84479984	1.017202
02/07/1916	191.649940	1.01122748	0.16474576	102.076704	349.466862	0.136129	0.84463204	1.016890
02/14/1945	349.834930	1.02193167	0.16487659	99.301318	348.056897	0.121207	0.85343906	1.033079
02/22/1974	39.668316	1.01228324	0.16433841	97.792414	345.699791	0.102718	0.84592622	1.018483
03/02/2003	215.515122	1.01229526	0.16415208	98.400200	345.277016	0.098538	0.84612489	1.018501
03/09/2032	331.947931	1.10271675	0.17643703	73.833627	341.572114	0.031174	0.90815668	1.157968
03/17/2061	346.933880	1.10111451	0.17617391	78.783053	337.711815	0.028229	0.90712686	1.155445
03/25/2090	38.267964	1.09825894	0.17494461	83.541655	331.455373	0.026616	0.90612446	1.150953

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