2023 UA3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.7425770643 ± 7.06e-04
Semi-major axis (a)	2.3833382790 AU ± 7.04e-03
Inclination (i)	29.80925540° ± 5.70e-03
Long. of Asc. Node (Ω)	241.00508459° ± 1.54e-02
Arg. of Perihelion (ω)	171.66705323° ± 3.47e-02
Mean Anomaly (M)	196.89211846° ± 8.66e-01
Mean Motion (n)	0.2678759620°/day ± 1.19e-03
Perihelion dist (q)	0.61352594 AU ± 2.47e-03
Aphelion dist (Q)	4.15315062 AU ± 1.24e-02
Orbital Period	3.67941295 yr ± 1.63e-02

Physical Parameters

H (abs. magnitude)	20.32
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-06-02
RMS Residual	0.226″
Uncertainty	3
Orbit Type	Apollo
MOID	0.365317 AU
Observations Used	17
Oppositions	1
Arc Total	2023-2023
First Observation Used	2023-10-16
Last Observation Used	2023-10-24

Observations (17)

Date	Type	RA	Dec	Mag	Band	Observatory
2023-10-16 02:30:52	C	16 50 52.613	+12 10 46.27	–	V	V00
2023-10-16 02:38:47	C	16 50 52.667	+12 10 42.60	–	V	V00
2023-10-16 02:46:43	C	16 50 52.710	+12 10 38.89	–	V	V00
2023-10-16 02:54:38	C	16 50 52.746	+12 10 34.54	–	V	V00
2023-10-16 03:04:04	C	16 50 52.789	+12 10 29.64	–	V	V00
2023-10-16 03:06:46	C	16 50 52.840	+12 10 28.42	–	V	V00
2023-10-16 03:09:03	C	16 50 52.822	+12 10 27.41	–	V	V00
2023-10-16 03:11:45	C	16 50 52.847	+12 10 26.00	–	V	V00
2023-10-17 02:18:00	C	16 51 01.85	+11 58 51.2	–	o	291
2023-10-17 02:38:49	C	16 51 01.89	+11 58 40.1	–	o	291
2023-10-18 02:25:54	C	16 51 08.09	+11 46 05.3	–	V	291
2023-10-18 02:44:37	C	16 51 08.11	+11 45 54.7	–	V	291
2023-10-20 01:59:09	C	16 51 09.67	+11 18 39.1	–	V	691
2023-10-20 02:17:29	C	16 51 09.60	+11 18 27.4	–	V	691
2023-10-20 02:35:48	C	16 51 09.52	+11 18 16.1	–	V	691
2023-10-24 01:49:37	C	16 50 15.39	+10 11 26.9	–	V	691
2023-10-24 02:20:26	C	16 50 14.74	+10 11 02.0	–	V	691