2021 TX9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.2859122808 ± 3.52e-04
Semi-major axis (a)	1.2364323443 AU ± 5.33e-04
Inclination (i)	14.87485597° ± 2.10e-02
Long. of Asc. Node (Ω)	8.49981910° ± 2.04e-03
Arg. of Perihelion (ω)	85.76505227° ± 1.57e-02
Mean Anomaly (M)	307.91427066° ± 6.53e-01
Mean Motion (n)	0.7168969621°/day ± 4.64e-04
Perihelion dist (q)	0.88292115 AU ± 5.78e-04
Aphelion dist (Q)	1.58994354 AU ± 8.12e-04
Orbital Period	1.37485069 yr ± 8.90e-04

Physical Parameters

H (abs. magnitude)	25.27
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-06-02
RMS Residual	0.220″
Uncertainty	3
Orbit Type	Apollo
MOID	0.075518 AU
Observations Used	16
Oppositions	1
Arc Total	2021-2021
First Observation Used	2021-10-09
Last Observation Used	2021-10-11

Observations (16)

Date	Type	RA	Dec	Mag	Band	Observatory
2021-10-09 04:49:38	C	22 44 40.94	+05 50 22.7	–	V	G96
2021-10-09 04:57:52	C	22 44 37.69	+05 51 01.5	–	V	G96
2021-10-09 05:06:06	C	22 44 34.38	+05 51 39.2	–	V	G96
2021-10-09 05:14:20	C	22 44 31.05	+05 52 19.3	–	V	G96
2021-10-09 06:30:29	C	22 44 00.69	+05 58 16.4	–	V	G96
2021-10-09 06:32:52	C	22 43 59.77	+05 58 27.4	–	V	G96
2021-10-09 06:35:14	C	22 43 58.80	+05 58 38.7	–	V	G96
2021-10-10 00:36:02	C	22 37 08.69	+07 25 41.6	–	V	807
2021-10-10 00:42:02	C	22 37 06.25	+07 26 10.8	–	V	807
2021-10-10 00:47:49	C	22 37 03.88	+07 26 38.5	–	V	807
2021-10-11 00:09:20	C	22 27 54.73	+09 19 43.9	–	V	807
2021-10-11 00:16:54	C	22 27 51.56	+09 20 21.0	–	V	807
2021-10-11 00:24:14	C	22 27 48.49	+09 20 57.1	–	V	807
2021-10-11 00:58:49	C	22 27 35.16	+09 22 06.6	–	u	H21
2021-10-11 01:11:50	C	22 27 29.74	+09 23 10.4	–	u	H21
2021-10-11 01:22:59	C	22 27 25.15	+09 24 05.5	–	u	H21