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
2023-12-04 06:22:13 C 02 44 07.441 +29 09 23.74 X F51
2023-12-04 06:42:14 C 02 44 03.970 +29 09 34.19 X F51
2023-12-04 07:01:35 C 02 44 00.608 +29 09 44.20 X F51
2023-12-04 07:21:59 C 02 43 57.054 +29 09 54.56 X F51
2023-12-08 05:21:15 C 02 27 32.284 +29 55 51.62 X F51
2023-12-08 05:46:36 C 02 27 27.171 +29 56 05.45 X F51
2023-12-08 06:24:21 C 02 27 19.505 +29 56 25.63 X F51
2023-12-13 03:43:05 C 02 02 39.980 +30 53 26.95 V G96
2023-12-13 03:51:22 C 02 02 37.950 +30 53 30.84 V G96
2023-12-13 03:59:34 C 02 02 35.902 +30 53 34.55 V G96
2023-12-13 04:07:45 C 02 02 33.850 +30 53 38.62 V G96
2023-12-14 04:12:47 C 01 56 50.046 +31 05 01.07 V G96
2023-12-14 04:20:59 C 01 56 47.875 +31 05 04.34 V G96
2023-12-14 04:29:08 C 01 56 45.798 +31 05 08.23 V G96
2023-12-14 04:37:19 C 01 56 43.685 +31 05 11.98 V G96