IAA RAS IAA Minor Planet Database

2019 WU4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2579188764 ± 1.23e-06
Semi-major axis (a)1.6639054811 AU ± 4.86e-06
Inclination (i)23.72664333° ± 9.88e-05
Long. of Asc. Node (Ω)243.47959729° ± 1.61e-05
Arg. of Perihelion (ω)252.58983013° ± 2.49e-04
Mean Anomaly (M)240.03212763° ± 4.13e-03
Mean Motion (n)0.4592184175°/day ± 2.01e-06
Perihelion dist (q)1.23475285 AU ± 4.15e-06
Aphelion dist (Q)2.09305811 AU ± 6.45e-06
Orbital Period2.14631262 yr ± 9.41e-06
Physical Parameters
H (abs. magnitude)21.38
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.213″
Uncertainty1
Orbit TypeAmor
MOID0.390183 AU
Observations Used57
Oppositions1
Arc Total2019-2020
First Observation Used2019-11-24
Last Observation Used2020-03-15
Observations (59)
Date Type RA Dec Mag Band Observatory
2019-11-24 14:23:55 C 04 46 28.843 +20 03 28.35 – V F51
2019-11-24 14:42:23 C 04 46 27.841 +20 02 50.05 – V F51
2019-11-24 15:00:49 C 04 46 26.809 +20 02 11.22 – V F51
2019-11-24 15:19:18 C 04 46 25.783 +20 01 32.45 – V F51
2019-11-26 08:33:26 C 04 44 16.434 +18 34 38.65 – U F51
2019-11-26 08:50:59 C 04 44 15.401 +18 34 01.30 – U F51
2019-11-26 09:08:32 C 04 44 14.351 +18 33 23.87 – U F51
2019-11-29 10:51:00 C 04 40 07.219 +15 51 33.26 – V 568
2019-11-29 10:52:22 C 04 40 07.132 +15 51 30.18 – V 568
2019-11-29 10:53:45 C 04 40 07.047 +15 51 27.11 – V 568
2019-11-29 10:55:07 C 04 40 06.962 +15 51 24.04 – V 568
2019-11-29 21:47:36 C 04 39 30.25 +15 26 47.3 – V K63
2019-11-29 21:51:27 C 04 39 30.01 +15 26 38.5 – V K63
2019-11-29 21:55:54 C 04 39 29.75 +15 26 28.9 – V K63
2019-11-30 06:29:05 C 04 38 59.96 +15 07 13.0 – o 711
2019-11-30 06:34:24 C 04 38 59.62 +15 07 01.2 – o 711
2019-11-30 06:38:57 C 04 38 59.32 +15 06 50.6 – o 711
2019-11-30 21:50:17 C 04 38 06.90 +14 32 12.9 – V L01
2019-11-30 21:53:41 C 04 38 06.69 +14 32 05.2 – V L01
2019-11-30 21:59:22 C 04 38 06.31 +14 31 52.4 – V L01
2019-11-30 22:03:20 C 04 38 06.05 +14 31 43.6 – V L01
2019-12-02 07:11:05 C 04 36 10.12 +13 15 48.2 – V I52
2019-12-02 07:16:28 C 04 36 09.76 +13 15 32.4 – V I52
2019-12-15 04:18:33 C 04 18 46.90 +01 24 03.6 – u 807
2019-12-15 04:26:24 C 04 18 46.47 +01 23 46.2 – u 807
2019-12-15 04:33:16 C 04 18 46.10 +01 23 31.1 – u 807
2019-12-16 04:45:40 C 04 17 34.02 +00 31 03.6 – u 807
2019-12-16 04:56:53 C 04 17 33.42 +00 30 39.5 – u 807
2019-12-16 05:07:50 C 04 17 32.82 +00 30 16.1 – u 807
2019-12-20 08:52:54 C 04 13 01.51 -02 55 54.3 – V I52
2019-12-20 08:58:54 C 04 13 01.22 -02 56 06.1 – V I52
2019-12-20 09:04:53 C 04 13 00.98 -02 56 17.6 – V I52
2019-12-20 09:10:17 C 04 13 00.82 -02 56 28.9 – V I52
2019-12-22 03:35:50 C 04 11 20.21 -04 17 55.9 – u 807
2019-12-22 03:44:47 C 04 11 19.83 -04 18 12.6 – u 807
2019-12-22 03:53:20 C 04 11 19.47 -04 18 28.8 – u 807
2019-12-23 05:03:17 C 04 10 24.27 -05 05 35.4 – o 691
2019-12-23 05:33:37 C 04 10 23.01 -05 06 30.7 – o 691
2019-12-23 05:49:57 C 04 10 22.32 -05 07 00.1 – o 691
2019-12-24 09:00:54 C 04 09 26.022 -05 55 53.81 – U F52
2019-12-24 09:18:05 C 04 09 25.348 -05 56 24.42 – U F52
2019-12-24 09:35:15 C 04 09 24.695 -05 56 54.88 – U F52
2019-12-24 09:52:17 C 04 09 24.056 -05 57 24.85 – U F52
2020-01-01 02:25:11 C 04 04 56.24 -10 46 14.5 – u 807
2020-01-01 02:38:16 C 04 04 55.99 -10 46 32.4 – u 807
2020-01-01 02:51:22 C 04 04 55.71 -10 46 50.1 – u 807
2020-01-14 02:44:25 C 04 05 08.43 -16 16 50.7 – V 807
2020-01-14 02:52:32 C 04 05 08.52 -16 16 57.0 – V 807
2020-01-14 03:00:39 C 04 05 08.61 -16 17 03.3 – V 807
2020-01-22 06:30:30 C 04 09 57.718 -18 22 40.35 – U F51