2018 WA2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5318866798 ± 1.16e-07
Semi-major axis (a)1.8469122271 AU ± 5.08e-09
Inclination (i)3.01770681° ± 5.33e-06
Long. of Asc. Node (Ω)21.00772596° ± 1.52e-04
Arg. of Perihelion (ω)122.25397000° ± 1.75e-04
Mean Anomaly (M)257.35375914° ± 1.01e-05
Mean Motion (n)0.3926837154°/day ± 1.62e-09
Perihelion dist (q)0.86456421 AU ± 2.14e-07
Aphelion dist (Q)2.82926024 AU ± 2.14e-07
Orbital Period2.50997494 yr ± 1.04e-08
Physical Parameters
H (abs. magnitude)22.59
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.236″
Uncertainty0
Orbit TypeApollo
MOID0.004703 AU
Observations Used103
Oppositions3
Arc Total2018-2023
First Observation Used2018-11-28
Last Observation Used2023-12-14
Observations (115)
Date Type RA Dec Mag Band Observatory
2018-12-08 08:13:06 C 05 57 35.59 +47 31 59.6 u H21
2018-12-08 08:22:54 C 05 57 38.06 +47 32 36.7 u H21
2018-12-09 03:43:12 C 06 03 20.93 +48 50 38.7 V G40
2018-12-09 04:13:17 C 06 03 29.65 +48 52 40.6 V G40
2018-12-09 04:23:14 C 06 03 32.55 +48 53 21.3 V G40
2018-12-09 07:52:18 C 06 04 44.82 +49 08 03.5 V G96
2018-12-09 08:00:18 C 06 04 47.20 +49 08 37.5 V G96
2018-12-09 08:08:33 C 06 04 49.65 +49 09 12.5 V G96
2018-12-09 08:17:07 C 06 04 52.07 +49 09 49.8 V G96
2018-12-10 04:46:26 C 06 12 13.17 +50 39 22.0 V I52
2018-12-10 04:46:43 C 06 12 13.32 +50 39 23.3 V I52
2018-12-10 04:49:27 C 06 12 14.32 +50 39 36.5 V I52
2018-12-10 04:49:43 C 06 12 14.37 +50 39 37.9 V I52
2018-12-10 11:44:10 C 06 14 50.50 +51 12 03.7 V T08
2018-12-10 11:54:46 C 06 14 54.55 +51 12 53.1 V T08
2018-12-10 12:08:15 C 06 14 59.38 +51 13 55.6 V T08
2018-12-10 12:22:51 C 06 15 04.76 +51 15 02.5 V T08
2018-12-11 00:12:42 C 06 20 13.79 +52 11 06.5 V G40
2018-12-11 00:33:27 C 06 20 22.37 +52 12 49.2 V G40
2018-12-11 01:13:59 C 06 20 39.22 +52 16 10.4 V G40
2018-12-12 01:34:39 C 06 32 48.73 +54 19 01.6 V K38
2018-12-12 01:47:09 C 06 32 55.32 +54 20 06.4 V K38
2018-12-12 01:59:37 C 06 33 01.91 +54 21 10.9 V K38
2018-12-12 02:12:04 C 06 33 08.56 +54 22 15.3 V K38
2018-12-13 10:59:53 C 06 54 40.46 +57 22 29.5 V I52
2018-12-13 11:01:35 C 06 54 41.71 +57 22 38.5 V I52
2018-12-13 11:03:16 C 06 54 42.96 +57 22 47.9 V I52
2018-12-13 11:04:57 C 06 54 44.18 +57 22 56.8 V I52
2018-12-14 13:00:32 C 07 17 39.45 +59 53 04.4 V T08
2018-12-14 13:24:23 C 07 18 02.01 +59 55 21.1 V T08
2018-12-14 13:29:41 C 07 18 07.26 +59 55 51.0 V T08
2018-12-14 13:45:58 C 07 18 22.77 +59 57 22.7 V T08
2018-12-20 08:45:40 C 11 49 03.41 +63 59 33.4 V 703
2018-12-20 08:53:30 C 11 49 21.05 +63 58 44.5 V 703
2018-12-20 09:01:21 C 11 49 38.74 +63 57 53.4 V 703
2018-12-20 09:09:11 C 11 49 56.41 +63 57 02.9 V 703
2018-12-20 11:14:07 C 11 54 32.93 +63 43 08.2 V I52
2018-12-20 11:17:36 C 11 54 40.58 +63 42 44.4 V I52
2018-12-20 11:21:05 C 11 54 48.14 +63 42 19.8 V I52
2018-12-20 11:21:21 C 11 54 48.74 +63 42 18.2 V I52
2023-11-16 11:51:30 C 03 32 14.344 +26 01 59.22 X F51
2023-11-16 12:08:32 C 03 32 12.977 +26 02 05.43 X F51
2023-11-16 12:43:44 C 03 32 10.194 +26 02 18.36 X F51
2023-11-30 19:25:26 C 02 56 34.730 +28 29 20.29 V J95
2023-11-30 19:37:14 C 02 56 32.986 +28 29 27.17 V J95
2023-11-30 19:49:25 C 02 56 31.238 +28 29 32.68 V J95
2023-12-03 04:13:19 C 02 48 13.907 +28 56 38.69 V G96
2023-12-03 04:21:26 C 02 48 12.568 +28 56 42.79 V G96
2023-12-03 04:29:33 C 02 48 11.221 +28 56 46.79 V G96
2023-12-03 04:37:40 C 02 48 09.875 +28 56 50.93 V G96