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
2021-08-18 21:16:47 C 21 57 44.22 +14 54 32.4 o K88
2021-08-18 21:17:11 C 21 57 44.41 +14 54 36.7 o K88
2021-08-19 09:01:07 C 22 03 28.30 +16 47 33.3 V T08
2021-08-19 09:14:23 C 22 03 34.05 +16 49 41.2 V T08
2021-08-19 09:22:17 C 22 03 37.48 +16 50 57.3 V T08
2021-08-19 10:08:36 C 22 03 57.47 +16 58 22.5 V T08
2021-08-19 23:28:10 C 22 10 44.90 +19 04 24.5 V Z80
2021-08-19 23:31:33 C 22 10 46.48 +19 04 57.2 V Z80
2021-08-19 23:35:20 C 22 10 48.27 +19 05 33.7 V Z80
2021-08-20 20:38:44 C 22 22 15.51 +22 29 54.1 V 595
2021-08-20 20:46:32 C 22 22 19.51 +22 31 11.1 V 595
2021-08-20 20:54:20 C 22 22 23.58 +22 32 28.8 V 595
2021-08-20 21:02:08 C 22 22 27.63 +22 33 46.0 V 595
2021-08-20 21:31:04 C 22 22 41.97 +22 38 14.0 V G34
2021-08-20 21:32:44 C 22 22 42.81 +22 38 30.4 V G34
2021-08-20 21:34:23 C 22 22 43.68 +22 38 46.7 V G34
2021-08-20 21:36:03 C 22 22 44.55 +22 39 03.3 V G34
2021-08-20 21:37:42 C 22 22 45.39 +22 39 19.5 V G34
2021-08-20 22:05:26 C 22 22 56.38 +22 44 09.6 V 089
2021-08-20 22:08:58 C 22 22 58.18 +22 44 44.3 V 089
2021-08-20 22:12:30 C 22 22 59.95 +22 45 18.8 V 089
2021-08-20 22:16:02 C 22 23 01.75 +22 45 53.0 V 089
2021-08-20 22:19:33 C 22 23 03.55 +22 46 27.1 V 089
2021-08-20 22:23:05 C 22 23 05.35 +22 47 01.7 V 089
2021-08-20 22:26:37 C 22 23 07.14 +22 47 36.1 V 089
2021-08-21 09:43:30 C 22 29 38.88 +24 38 42.9 V T05
2021-08-21 09:46:08 C 22 29 40.23 +24 39 08.6 V T05
2021-08-21 09:50:12 C 22 29 42.32 +24 39 48.5 V T05
2021-08-21 09:58:52 C 22 29 46.73 +24 41 13.2 V T05
2021-08-21 15:04:33 C 22 32 47.62 +25 29 30.5 q D29
2021-08-21 15:17:17 C 22 32 54.36 +25 31 34.8 q D29
2021-08-21 15:30:01 C 22 33 01.12 +25 33 39.3 q D29
2021-08-21 22:10:06 C 22 37 01.96 +26 36 18.0 V Z80
2021-08-21 22:12:17 C 22 37 03.17 +26 36 38.4 V Z80
2021-08-23 22:32:07 C 23 08 08.61 +34 01 01.1 V Z80
2021-08-23 22:38:07 C 23 08 12.51 +34 01 54.4 V Z80
2021-08-23 22:44:07 C 23 08 16.32 +34 02 47.9 V Z80
2021-08-24 13:46:33 C 23 18 24.90 +36 12 20.9 V T08
2021-08-24 13:59:11 C 23 18 32.97 +36 14 00.5 V T08
2021-08-24 14:18:28 C 23 18 45.38 +36 16 33.0 V T08
2021-08-25 02:28:22 C 23 27 52.36 +37 53 01.9 X W34
2021-08-25 02:39:21 C 23 27 59.87 +37 54 33.2 X W34
2021-08-25 02:50:30 C 23 28 07.54 +37 56 05.6 X W34
2021-08-25 12:24:35 C 23 34 47.62 +39 11 36.6 V T05
2021-08-25 12:29:17 C 23 34 50.67 +39 12 11.2 V T05
2021-08-25 12:49:50 C 23 35 04.10 +39 14 43.4 V T05
2021-08-25 13:31:02 C 23 35 31.21 +39 19 44.0 V T05
2021-08-25 22:48:06 C 23 42 38.78 +40 25 45.3 V J69
2021-08-25 22:50:16 C 23 42 40.30 +40 26 01.7 V J69
2021-08-25 23:02:23 C 23 42 48.74 +40 27 32.1 V J69