2021 XQ1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.5867435526 ± 3.02e-04
Semi-major axis (a)	1.1538059168 AU ± 4.25e-04
Inclination (i)	7.76397162° ± 5.31e-03
Long. of Asc. Node (Ω)	247.11511636° ± 2.90e-04
Arg. of Perihelion (ω)	67.23065978° ± 1.62e-03
Mean Anomaly (M)	117.64865424° ± 6.87e-01
Mean Motion (n)	0.7952673150°/day ± 4.39e-04
Perihelion dist (q)	0.47681773 AU ± 3.90e-04
Aphelion dist (Q)	1.83079410 AU ± 7.58e-04
Orbital Period	1.23936476 yr ± 6.84e-04

Physical Parameters

H (abs. magnitude)	27.76
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-06-02
RMS Residual	0.273″
Uncertainty	3
Orbit Type	Apollo
MOID	0.001567 AU
Observations Used	15
Oppositions	1
Arc Total	2021-2021
First Observation Used	2021-12-02
Last Observation Used	2021-12-04

Observations (16)

Date	Type	RA	Dec	Mag	Band	Observatory
2021-12-02 04:39:51	C	03 06 02.07	+03 29 46.1	–	V	G96
2021-12-02 04:48:00	C	03 06 07.18	+03 30 40.0	–	V	G96
2021-12-02 04:56:09	C	03 06 12.33	+03 31 35.0	–	V	G96
2021-12-02 05:04:18	C	03 06 17.48	+03 32 29.7	–	V	G96
2021-12-02 07:10:08	C	03 07 33.14	+03 45 48.5	–	V	I52
2021-12-02 07:11:29	C	03 07 33.95	+03 45 56.7	–	V	I52
2021-12-02 07:12:50	C	03 07 34.72	+03 46 04.8	–	V	I52
2021-12-02 07:14:11	C	03 07 35.50	+03 46 13.2	–	V	I52
2021-12-03 02:02:06	C	03 16 56.14	+05 14 41.1	–	u	807
2021-12-03 02:11:01	C	03 16 58.72	+05 15 10.3	–	u	807
2021-12-03 02:19:59	C	03 17 01.30	+05 15 39.0	–	u	807
2021-12-03 03:37:05	C	03 17 32.92	+05 15 06.6	–	V	I52
2021-12-03 03:39:24	C	03 17 33.60	+05 15 14.2	–	V	I52
2021-12-03 03:41:43	C	03 17 34.29	+05 15 20.8	–	V	I52
2021-12-04 02:58:41	C	03 23 31.82	+06 10 04.2	–	u	H21
2021-12-04 03:09:30	C	03 23 33.48	+06 10 23.7	–	u	H21