2019 WL4

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5580688854 ± 3.53e-07
Semi-major axis (a)1.1925147206 AU ± 9.70e-08
Inclination (i)4.87846026° ± 5.07e-06
Long. of Asc. Node (Ω)186.19551597° ± 1.66e-04
Arg. of Perihelion (ω)99.98914133° ± 7.26e-05
Mean Anomaly (M)291.16030165° ± 3.10e-04
Mean Motion (n)0.7568619164°/day ± 9.24e-08
Perihelion dist (q)0.52700936 AU ± 4.24e-07
Aphelion dist (Q)1.85802008 AU ± 4.48e-07
Orbital Period1.30225377 yr ± 1.59e-07
Physical Parameters
H (abs. magnitude)21.61
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.150″
Uncertainty0
Orbit TypeApollo
MOID0.012111 AU
Observations Used41
Oppositions2
Arc Total2014-2023
First Observation Used2014-02-10
Last Observation Used2023-02-12
Observations (43)
Date Type RA Dec Mag Band Observatory
2014-02-10 10:26:39 C 10 01 30.711 +01 36 06.94 V F51
2014-02-10 10:44:26 C 10 01 28.673 +01 36 15.56 V F51
2014-02-10 11:02:15 C 10 01 26.639 +01 36 24.17 V F51
2014-02-10 11:20:10 C 10 01 24.604 +01 36 32.65 V F51
2014-02-20 09:18:17 C 09 30 19.581 +04 07 15.88 V F51
2014-02-20 09:35:21 C 09 30 16.878 +04 07 29.66 V F51
2014-02-20 09:52:30 C 09 30 14.189 +04 07 43.19 V F51
2014-02-20 10:09:41 C 09 30 11.488 +04 07 56.64 V F51
2019-11-26 10:53:02 C 04 09 11.408 +06 47 13.03 U F51
2019-11-26 11:10:04 C 04 09 08.880 +06 47 11.14 U F51
2019-11-26 11:27:01 C 04 09 06.365 +06 47 09.23 U F51
2019-11-26 11:43:56 C 04 09 03.857 +06 47 07.35 U F51
2019-11-26 22:11:25 C 04 07 36.445 +06 45 58.28 V J04
2019-11-26 22:15:46 C 04 07 35.815 +06 45 57.94 V J04
2019-11-26 22:20:06 C 04 07 35.192 +06 45 57.19 V J04
2019-11-28 10:22:52 C 04 02 39.681 +06 42 49.20 V 568
2019-11-28 10:24:14 C 04 02 39.491 +06 42 49.08 V 568
2019-11-28 10:25:37 C 04 02 39.303 +06 42 48.96 V 568
2019-11-28 10:27:33 C 04 02 39.033 +06 42 48.81 V 568
2019-11-28 10:28:56 C 04 02 38.845 +06 42 48.74 V 568
2019-11-28 10:30:18 C 04 02 38.655 +06 42 48.60 V 568
2019-11-29 22:37:35 C 03 58 01.12 +06 40 23.1 V K63
2019-11-29 22:41:59 C 03 58 00.55 +06 40 22.9 V K63
2019-11-29 22:46:58 C 03 57 59.94 +06 40 22.8 V K63
2019-12-02 06:20:34 C 03 51 26.47 +06 38 37.9 V I52
2019-12-02 06:25:44 C 03 51 25.88 +06 38 37.4 V I52
2019-12-02 06:30:55 C 03 51 25.26 +06 38 37.1 V I52
2019-12-02 06:36:04 C 03 51 24.67 +06 38 37.4 V I52
2019-12-03 09:02:26 C 03 48 31.625 +06 38 31.63 U F52
2019-12-03 09:19:54 C 03 48 29.674 +06 38 31.71 U F52
2019-12-03 09:37:23 C 03 48 27.703 +06 38 31.78 U F52
2019-12-14 05:06:35 C 03 27 26.37 +06 57 44.1 o 695
2019-12-14 05:22:25 C 03 27 25.40 +06 57 46.4 o 695
2019-12-14 05:38:14 C 03 27 24.42 +06 57 48.5 o 695
2019-12-17 03:48:59 C 03 23 43.87 +07 08 22.9 o 695
2019-12-17 04:00:35 C 03 23 43.26 +07 08 25.3 o 695
2019-12-19 03:06:29 C 03 21 39.75 +07 16 32.3 o 695
2019-12-19 03:15:58 C 03 21 39.31 +07 16 34.5 o 695
2020-01-14 03:44:48 C 03 17 29.42 +09 54 09.1 o 695
2020-01-14 04:06:56 C 03 17 29.80 +09 54 15.6 o 695
2020-01-14 04:33:00 C 03 17 30.25 +09 54 23.4 o 695
2023-02-12 03:16:51 C 07 32 18.72 +12 35 22.9 o 291
2023-02-12 03:59:56 C 07 32 14.59 +12 35 42.1 o 291