Asteroid General Data

2021 TP₉

General information

Preliminary designation	2021 TP₉
Group	Apollo
Absolute magnitude	25.15
Approximate diameter (m)	25
Approximate mass (kg)	2.79·10⁷
Number of observations	59
Arc length (days)	8

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	340.502512
a – orbit major semiaxis (astronomical units)	1.43324300
e – orbit eccentricity	0.34643900
ω – orbit ascending node-perihelion angle (degrees)	315.941568
Ω – longitude of orbit ascending node (degrees)	8.793058
i – orbit inclination to the ecliptic plane (degrees)	9.391824

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	81.910111	1.43034979	0.34519660	313.653697	10.274495	9.352509	0.93659791	1.710661
01/21/1858	72.145201	1.42950223	0.34509110	313.954564	10.052560	9.351121	0.93619372	1.709141
01/29/1887	67.996213	1.42713926	0.34427225	314.167753	9.825027	9.376037	0.93581482	1.704905
02/07/1916	76.996591	1.42671745	0.34418098	314.410163	9.620574	9.380510	0.93566844	1.704149
02/14/1945	85.441283	1.42702364	0.34435858	314.753918	9.392393	9.381987	0.93561581	1.704698
02/22/1974	78.357242	1.43033305	0.34526766	315.226748	9.180333	9.390006	0.93648530	1.710631
03/02/2003	67.238423	1.42980302	0.34518111	315.498583	8.957357	9.393401	0.93626203	1.709680
03/09/2032	49.719296	1.43295432	0.34606432	315.984918	8.770151	9.389823	0.93705996	1.715336
03/17/2061	13.387032	1.43423028	0.34653912	316.304639	8.590470	9.385021	0.93721338	1.717627
03/25/2090	338.358519	1.43340643	0.34622400	316.646868	8.339076	9.385627	0.93712673	1.716148
04/03/2119	308.118995	1.43251716	0.34581023	316.848647	8.120407	9.396010	0.93713806	1.714551
04/10/2148	286.530933	1.43149178	0.34536141	317.063579	7.884109	9.407355	0.93710976	1.712710
04/18/2177	269.519782	1.43070673	0.34504803	317.371217	7.633001	9.411613	0.93704420	1.711302

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