2018 QJ1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.5393573959 ± 6.24e-05
Semi-major axis (a)	2.1587142573 AU ± 2.78e-04
Inclination (i)	8.09981575° ± 6.09e-04
Long. of Asc. Node (Ω)	140.24550707° ± 3.44e-04
Arg. of Perihelion (ω)	151.10424812° ± 7.03e-04
Mean Anomaly (M)	114.34578158° ± 1.64e-01
Mean Motion (n)	0.3107560098°/day ± 6.01e-05
Perihelion dist (q)	0.99439576 AU ± 1.86e-04
Aphelion dist (Q)	3.32303276 AU ± 4.49e-04
Orbital Period	3.17170466 yr ± 6.14e-04

Physical Parameters

H (abs. magnitude)	24.90
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-06-02
RMS Residual	0.335″
Uncertainty	3
Orbit Type	Apollo
MOID	0.015588 AU
Observations Used	16
Oppositions	1
Arc Total	2018-2018
First Observation Used	2018-08-07
Last Observation Used	2018-09-19

Observations (16)

Date	Type	RA	Dec	Mag	Band	Observatory
2018-08-07 14:48:38	C	00 09 43.547	+30 56 09.76	–	V	F51
2018-08-21 12:39:24	C	00 56 09.715	-13 54 04.69	–	U	F51
2018-08-21 12:55:18	C	00 56 09.508	-13 54 36.31	–	U	F51
2018-08-21 13:11:07	C	00 56 09.286	-13 55 07.68	–	U	F51
2018-08-21 13:26:57	C	00 56 09.077	-13 55 39.11	–	U	F51
2018-08-22 00:45:58	C	00 56 18.92	-14 17 45.9	–	V	L01
2018-08-22 00:56:04	C	00 56 18.83	-14 18 03.9	–	V	L01
2018-08-22 01:02:46	C	00 56 18.82	-14 18 17.8	–	V	L01
2018-08-23 07:36:36	C	00 56 33.63	-15 11 08.8	–	u	H21
2018-08-23 07:53:49	C	00 56 33.38	-15 11 37.4	–	u	H21
2018-08-23 08:07:32	C	00 56 33.18	-15 11 59.5	–	u	H21
2018-09-02 06:39:16	C	00 54 10.18	-19 15 06.8	–	U	807
2018-09-02 06:52:14	C	00 54 09.71	-19 15 15.0	–	U	807
2018-09-02 07:05:13	C	00 54 09.25	-19 15 23.2	–	U	807
2018-09-19 10:55:43	C	00 42 17.161	-21 03 06.12	–	V	568
2018-09-19 11:09:23	C	00 42 16.585	-21 03 06.13	–	V	568