2019 UD4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3475448897 ± 8.48e-09
Semi-major axis (a)1.5676885844 AU ± 2.96e-09
Inclination (i)3.33616118° ± 1.41e-06
Long. of Asc. Node (Ω)310.41636292° ± 7.50e-06
Arg. of Perihelion (ω)39.88728781° ± 1.32e-05
Mean Anomaly (M)49.56660471° ± 3.92e-06
Mean Motion (n)0.5021374147°/day ± 1.42e-09
Perihelion dist (q)1.02284643 AU ± 1.34e-08
Aphelion dist (Q)2.11253074 AU ± 1.39e-08
Orbital Period1.96286167 yr ± 5.55e-09
Physical Parameters
H (abs. magnitude)23.17
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.267″
Uncertainty0
Orbit TypeAmor
MOID0.031996 AU
Observations Used340
Oppositions1
Arc Total2019-2021
First Observation Used2019-08-20
Last Observation Used2021-10-11
Observations (353)
Date Type RA Dec Mag Band Observatory
2021-08-26 09:00:06 C 23 50 07.27 +41 38 44.0 V 703
2021-08-26 09:08:57 C 23 50 13.26 +41 39 43.9 V 703
2021-08-26 09:17:55 C 23 50 19.35 +41 40 44.8 V 703
2021-08-26 09:26:15 C 23 50 25.08 +41 41 41.2 V 703
2021-08-27 20:12:13 C 00 17 11.93 +45 14 07.3 Z L34
2021-08-27 20:54:11 C 00 17 43.03 +45 18 18.7 Z L34
2021-08-27 21:05:05 C 00 17 51.01 +45 19 23.2 Z L34
2021-08-27 21:34:56 C 00 18 12.76 +45 22 19.0 Z L34
2021-08-28 12:34:52 C 00 29 31.75 +46 42 01.0 V T08
2021-08-28 13:25:55 C 00 30 06.86 +46 46 06.8 V T08
2021-08-28 13:29:55 C 00 30 09.63 +46 46 25.8 V T08
2021-08-28 14:10:42 C 00 30 37.75 +46 49 35.3 V T08
2021-08-28 20:40:03 C 00 35 59.50 +47 17 59.9 V K83
2021-08-28 20:43:45 C 00 36 02.34 +47 18 19.1 V K83
2021-08-28 20:47:28 C 00 36 05.07 +47 18 38.2 V K83
2021-08-28 21:22:46 C 00 36 30.51 +47 20 58.4 V Z80
2021-08-28 21:29:26 C 00 36 35.49 +47 21 31.2 V Z80
2021-08-28 21:36:06 C 00 36 40.42 +47 22 04.7 V Z80
2021-08-28 22:19:32 C 00 37 12.89 +47 25 40.7 q J69
2021-08-28 22:29:33 C 00 37 20.27 +47 26 30.0 q J69
2021-08-28 22:39:32 C 00 37 27.61 +47 27 19.0 q J69
2021-08-28 22:49:32 C 00 37 34.95 +47 28 08.0 q J69
2021-08-28 22:51:30 C 00 37 35.64 +47 28 54.8 V 160
2021-08-28 22:56:29 C 00 37 39.20 +47 29 18.9 V 160
2021-08-28 23:01:25 C 00 37 42.72 +47 29 42.5 V 160
2021-08-29 02:33:34 C 00 40 13.10 +47 45 45.9 V 204
2021-08-29 02:44:33 C 00 40 20.86 +47 46 33.1 V 204
2021-08-29 02:55:37 C 00 40 28.69 +47 47 20.5 V 204
2021-08-30 10:23:33 C 01 04 20.878 +49 50 31.34 V G37
2021-08-30 10:23:57 C 01 04 21.140 +49 50 32.58 V G37
2021-08-30 10:24:20 C 01 04 21.410 +49 50 33.88 V G37
2021-08-30 10:25:17 C 01 04 22.047 +49 50 37.06 V G37
2021-08-30 10:40:47 C 01 04 46.28 +49 51 51.3 V T05
2021-08-30 10:47:25 C 01 04 50.74 +49 52 15.7 V T05
2021-08-30 11:17:20 C 01 05 10.78 +49 54 04.2 V T05
2021-08-30 11:29:15 C 01 05 18.82 +49 54 48.2 V T05
2021-08-30 23:22:19 C 01 14 03.83 +50 31 04.7 V L18
2021-08-30 23:26:59 C 01 14 06.97 +50 31 18.8 V L18
2021-08-30 23:31:39 C 01 14 10.14 +50 31 33.3 V L18
2021-09-02 02:43:33 C 01 49 55.48 +52 30 50.3 V K87
2021-09-02 02:45:57 C 01 49 56.98 +52 30 55.0 V K87
2021-09-02 02:49:36 C 01 49 59.26 +52 31 00.4 V K87
2021-09-05 11:38:10 C 02 38 16.92 +53 54 54.1 V T08
2021-09-05 11:42:50 C 02 38 19.08 +53 54 58.0 V T08
2021-09-05 11:50:52 C 02 38 22.84 +53 55 04.4 V T08
2021-09-05 12:06:12 C 02 38 30.00 +53 55 15.1 V T08
2021-10-02 09:27:26 C 04 53 44.91 +49 23 10.0 V G96
2021-10-02 09:35:10 C 04 53 45.12 +49 23 07.0 V G96
2021-10-02 09:42:55 C 04 53 45.30 +49 23 03.8 V G96
2021-10-11 09:59:14 C 04 58 44.92 +47 39 27.3 V G96