2022 WH18

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2663819030 ± 1.59e-05
Semi-major axis (a)1.3901232395 AU ± 3.29e-05
Inclination (i)2.19992797° ± 1.15e-04
Long. of Asc. Node (Ω)237.88584037° ± 2.05e-04
Arg. of Perihelion (ω)208.12324326° ± 8.14e-05
Mean Anomaly (M)281.25434447° ± 2.27e-02
Mean Motion (n)0.6013569305°/day ± 2.14e-05
Perihelion dist (q)1.01981957 AU ± 3.27e-05
Aphelion dist (Q)1.76042691 AU ± 4.71e-05
Orbital Period1.63900378 yr ± 5.82e-05
Physical Parameters
H (abs. magnitude)25.89
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.298″
Uncertainty2
Orbit TypeAmor
MOID0.038482 AU
Observations Used28
Oppositions1
Arc Total2022-2023
First Observation Used2022-11-24
Last Observation Used2023-02-12
Observations (29)
Date Type RA Dec Mag Band Observatory
2022-11-24 05:32:14 C 00 45 57.252 +04 59 30.13 U F51
2022-11-24 05:49:42 C 00 45 58.171 +04 59 16.40 U F51
2022-11-24 06:10:26 C 00 45 59.306 +04 58 59.73 U F51
2022-11-24 06:30:56 C 00 46 00.413 +04 58 43.28 U F51
2022-12-20 04:32:22 C 02 42 58.568 -03 20 12.62 V G96
2022-12-20 04:39:51 C 02 43 00.628 -03 20 17.63 V G96
2022-12-20 04:47:22 C 02 43 02.662 -03 20 23.28 V G96
2022-12-20 06:07:44 C 02 43 24.841 -03 21 16.96 V V06
2022-12-20 06:11:07 C 02 43 25.774 -03 21 19.22 V V06
2022-12-20 06:14:29 C 02 43 26.720 -03 21 21.38 V V06
2022-12-20 06:17:52 C 02 43 27.660 -03 21 23.76 V V06
2022-12-21 05:17:14 C 02 50 45.560 -03 36 38.23 V I52
2022-12-21 05:22:48 C 02 50 47.101 -03 36 41.40 V I52
2022-12-21 05:28:22 C 02 50 48.721 -03 36 45.04 V I52
2022-12-21 05:33:56 C 02 50 50.305 -03 36 48.49 V I52
2022-12-25 08:21:07 C 03 23 56.720 -04 31 55.30 V I52
2022-12-25 08:31:07 C 03 23 59.990 -04 32 00.30 V I52
2023-01-09 06:34:47 C 05 28 55.43 -04 45 21.3 V 691
2023-01-09 06:48:35 C 05 28 59.29 -04 45 16.1 V 691
2023-01-11 21:44:06 C 05 47 46.50 -04 20 17.6 X 033
2023-01-11 21:48:06 C 05 47 47.58 -04 20 16.3 X 033
2023-01-11 21:52:05 C 05 47 48.65 -04 20 14.5 X 033
2023-01-11 21:56:24 C 05 47 49.78 -04 20 12.5 X 033
2023-01-15 03:07:24 C 06 08 43.35 -03 39 03.1 V 807
2023-01-15 03:12:42 C 06 08 44.52 -03 38 59.5 V 807
2023-01-15 03:18:02 C 06 08 45.71 -03 38 57.4 V 807
2023-02-12 05:17:04 C 07 56 57.68 +03 21 18.3 o 291
2023-02-12 05:34:17 C 07 56 59.10 +03 21 29.0 o 291
2023-02-12 05:51:35 C 07 57 00.60 +03 21 39.4 o 291