2019 WS4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2179199166 ± 5.92e-05
Semi-major axis (a)1.1953594630 AU ± 7.53e-05
Inclination (i)8.67880496° ± 2.41e-03
Long. of Asc. Node (Ω)258.61746414° ± 1.16e-03
Arg. of Perihelion (ω)243.88635897° ± 1.07e-03
Mean Anomaly (M)151.15085396° ± 1.52e-01
Mean Motion (n)0.7541617298°/day ± 7.12e-05
Perihelion dist (q)0.93486683 AU ± 9.21e-05
Aphelion dist (Q)1.45585210 AU ± 1.16e-04
Orbital Period1.30691633 yr ± 1.23e-04
Physical Parameters
H (abs. magnitude)24.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.346″
Uncertainty3
Orbit TypeApollo
MOID0.035829 AU
Observations Used31
Oppositions1
Arc Total2019-2019
First Observation Used2019-11-26
Last Observation Used2019-12-22
Observations (32)
Date Type RA Dec Mag Band Observatory
2019-11-26 04:40:28 C 01 59 31.12 +36 15 55.7 V G96
2019-11-26 04:47:54 C 01 59 30.31 +36 15 39.7 V G96
2019-11-26 04:55:20 C 01 59 29.46 +36 15 22.9 V G96
2019-11-26 05:02:46 C 01 59 28.68 +36 15 06.4 V G96
2019-11-26 06:20:31 C 01 59 24.024 +36 12 18.17 U F52
2019-11-26 06:37:35 C 01 59 22.157 +36 11 40.59 U F52
2019-11-26 06:54:41 C 01 59 20.299 +36 11 02.14 U F52
2019-11-29 22:06:51 C 01 51 58.75 +32 32 51.7 V 033
2019-11-29 22:11:17 C 01 51 58.35 +32 32 39.3 V 033
2019-11-29 22:15:42 C 01 51 57.90 +32 32 26.3 V 033
2019-11-30 20:38:44 C 01 50 15.38 +31 30 43.1 V L01
2019-11-30 20:45:32 C 01 50 14.73 +31 30 24.5 V L01
2019-11-30 20:51:47 C 01 50 14.12 +31 30 06.6 V L01
2019-11-30 20:55:45 C 01 50 13.72 +31 29 55.7 V L01
2019-12-02 04:31:42 C 01 47 54.66 +29 58 37.6 V G96
2019-12-02 04:39:09 C 01 47 53.98 +29 58 15.4 V G96
2019-12-02 04:46:36 C 01 47 53.28 +29 57 53.0 V G96
2019-12-02 04:54:02 C 01 47 52.60 +29 57 30.7 V G96
2019-12-14 03:53:56 C 01 33 26.66 +12 36 11.1 o 695
2019-12-14 03:58:39 C 01 33 26.42 +12 35 51.1 o 695
2019-12-14 04:03:51 C 01 33 26.19 +12 35 29.4 o 695
2019-12-17 01:00:12 C 01 31 44.34 +07 39 03.3 u 807
2019-12-17 01:10:49 C 01 31 43.88 +07 38 16.4 u 807
2019-12-17 01:21:23 C 01 31 43.42 +07 37 29.3 u 807
2019-12-17 02:54:23 C 01 31 43.13 +07 29 05.7 o 691
2019-12-17 03:06:06 C 01 31 42.65 +07 28 12.9 o 691
2019-12-17 03:17:47 C 01 31 42.15 +07 27 21.4 o 691
2019-12-19 04:28:26 C 01 30 50.98 +03 46 28.5 o 691
2019-12-19 04:34:52 C 01 30 50.77 +03 46 00.0 o 691
2019-12-22 01:46:07 C 01 30 14.71 -01 33 00.7 o 291
2019-12-22 01:59:40 C 01 30 14.34 -01 34 04.1 o 291
2019-12-22 02:13:06 C 01 30 13.92 -01 35 06.6 o 291