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
2021-08-15 21:47:57 C 21 27 38.77 +04 28 56.5 V 089
2021-08-15 21:51:18 C 21 27 39.87 +04 29 23.3 V 089
2021-08-15 21:54:39 C 21 27 40.97 +04 29 50.5 V 089
2021-08-15 21:58:00 C 21 27 42.06 +04 30 17.1 V 089
2021-08-16 09:20:53 C 21 32 02.51 +06 04 07.3 V T05
2021-08-16 09:25:30 C 21 32 04.02 +06 04 45.3 V T05
2021-08-16 09:32:05 C 21 32 06.18 +06 05 40.0 V T05
2021-08-16 10:08:55 C 21 32 18.19 +06 10 44.8 V T05
2021-08-16 21:24:58 C 21 36 44.12 +07 43 58.1 V 089
2021-08-16 21:28:20 C 21 36 45.38 +07 44 25.9 V 089
2021-08-16 21:31:42 C 21 36 46.59 +07 44 55.5 V 089
2021-08-16 21:38:26 C 21 36 48.96 +07 45 52.6 V 089
2021-08-16 21:39:08 C 21 36 54.00 +07 45 42.6 V Z80
2021-08-16 21:41:48 C 21 36 50.19 +07 46 20.8 V 089
2021-08-16 21:45:10 C 21 36 51.39 +07 46 50.3 V 089
2021-08-16 21:48:32 C 21 36 52.59 +07 47 18.4 V 089
2021-08-16 21:48:34 C 21 36 57.48 +07 47 02.9 V Z80
2021-08-16 21:51:54 C 21 36 53.80 +07 47 47.8 V 089
2021-08-16 21:53:54 C 21 36 59.46 +07 47 48.8 V Z80
2021-08-16 22:10:31 C 21 37 01.39 +07 50 21.2 V L18
2021-08-16 22:11:37 C 21 37 01.77 +07 50 30.7 V L18
2021-08-16 22:12:43 C 21 37 02.19 +07 50 40.0 V L18
2021-08-16 22:13:49 C 21 37 02.56 +07 50 49.8 V L18
2021-08-16 22:14:55 C 21 37 02.97 +07 50 58.9 V L18
2021-08-17 09:26:18 C 21 41 42.29 +09 29 32.0 V T05
2021-08-17 10:17:06 C 21 42 00.51 +09 36 59.8 V T05
2021-08-17 10:21:15 C 21 42 02.03 +09 37 36.5 V T05
2021-08-17 10:46:23 C 21 42 11.04 +09 41 17.7 V T05
2021-08-17 20:41:05 C 21 46 32.44 +11 07 56.4 o K88
2021-08-17 20:41:29 C 21 46 32.61 +11 07 59.9 o K88
2021-08-17 20:41:54 C 21 46 32.76 +11 08 03.4 o K88
2021-08-17 20:42:19 C 21 46 32.93 +11 08 07.0 o K88
2021-08-17 21:13:30 C 21 46 44.47 +11 13 02.9 V 073
2021-08-17 21:14:33 C 21 46 44.91 +11 13 10.2 V 073
2021-08-17 21:15:35 C 21 46 45.21 +11 13 20.7 V 073
2021-08-17 21:15:35 C 21 46 45.28 +11 13 24.0 V 073
2021-08-17 21:16:38 C 21 46 45.71 +11 13 31.6 V 073
2021-08-17 21:20:50 C 21 46 47.07 +11 14 04.5 V 073
2021-08-17 21:21:53 C 21 46 47.56 +11 14 16.7 V 073
2021-08-17 21:22:55 C 21 46 48.13 +11 14 25.1 V 073
2021-08-17 21:39:41 C 21 46 54.70 +11 17 00.7 V 073
2021-08-17 21:40:44 C 21 46 55.09 +11 17 07.8 V 073
2021-08-17 21:41:47 C 21 46 55.53 +11 17 17.6 V 073
2021-08-17 21:46:31 C 21 47 00.18 +11 18 00.4 V 160
2021-08-17 21:48:58 C 21 47 01.14 +11 18 22.8 V 160
2021-08-17 21:51:24 C 21 47 02.12 +11 18 44.5 V 160
2021-08-18 19:41:38 C 21 57 04.26 +14 39 39.3 q L47
2021-08-18 20:48:31 C 21 57 33.64 +14 50 14.9 q L47
2021-08-18 21:15:58 C 21 57 43.93 +14 54 24.9 o K88
2021-08-18 21:16:22 C 21 57 44.10 +14 54 28.8 o K88