2018 WZ2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.3836082678 ± 2.00e+00
Semi-major axis (a)	1.6209505447 AU ± 3.00e+00
Inclination (i)	0.39853045° ± 4.00e+00
Long. of Asc. Node (Ω)	71.22777203° ± 5.00e+00
Arg. of Perihelion (ω)	332.18337176° ± 6.00e+00
Mean Anomaly (M)	146.83024698° ± 4.58e+00
Mean Motion (n)	0.4775960100°/day ± 1.33e+00
Perihelion dist (q)	0.99913780 AU ± 3.73e+00
Aphelion dist (Q)	2.24270720 AU ± 5.27e+00
Orbital Period	2.06368490 yr ± 5.73e+00

Physical Parameters

H (abs. magnitude)	27.80
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-04-18
RMS Residual	0.418″
Uncertainty	4
Orbit Type	Apollo
MOID	0.007034 AU
Observations Used	18
Oppositions	1
Arc Total	2018-2018
First Observation Used	—
Last Observation Used	2018-12-07

Observations (18)

Date	Type	RA	Dec	Mag	Band	Observatory
2018-11-29 05:50:20	C	03 42 48.27	+18 46 17.1	–	V	G96
2018-11-29 05:58:19	C	03 42 53.75	+18 46 41.8	–	V	G96
2018-11-29 06:06:19	C	03 42 59.20	+18 47 09.1	–	V	G96
2018-11-29 06:14:17	C	03 43 04.72	+18 47 34.2	–	V	G96
2018-11-29 09:06:03	C	03 45 01.86	+18 56 14.8	–	V	I52
2018-11-29 09:08:51	C	03 45 03.74	+18 56 22.2	–	V	I52
2018-11-29 09:11:38	C	03 45 05.67	+18 56 30.1	–	V	I52
2018-11-29 09:14:26	C	03 45 07.63	+18 56 38.6	–	V	I52
2018-11-30 05:21:17	C	03 59 34.11	+19 53 32.2	–	V	I52
2018-11-30 05:25:22	C	03 59 36.60	+19 53 44.0	–	V	I52
2018-11-30 05:29:28	C	03 59 39.17	+19 53 54.6	–	V	I52
2018-11-30 05:33:33	C	03 59 41.59	+19 54 05.3	–	V	I52
2018-12-03 00:21:15	C	04 38 19.318	+22 03 59.33	–	V	J04
2018-12-03 00:30:16	C	04 38 23.261	+22 04 12.16	–	V	J04
2018-12-03 00:39:17	C	04 38 27.202	+22 04 25.16	–	V	J04
2018-12-07 05:58:13	C	05 17 48.74	+23 37 39.8	–	u	H21
2018-12-07 06:17:59	C	05 17 53.96	+23 37 51.3	–	u	H21
2018-12-07 06:34:39	C	05 17 58.36	+23 38 00.4	–	u	H21