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
2021-08-12 22:18:43 C 21 04 33.67 -03 59 29.2 V L18
2021-08-12 22:21:13 C 21 04 34.33 -03 59 13.6 V L18
2021-08-12 22:23:43 C 21 04 34.92 -03 58 57.4 V L18
2021-08-12 22:29:34 C 21 04 39.49 -03 58 11.0 V K19
2021-08-12 22:34:48 C 21 04 40.78 -03 57 38.2 V K19
2021-08-12 22:40:02 C 21 04 42.05 -03 57 05.4 V K19
2021-08-13 21:49:29 C 21 11 31.22 -01 25 57.6 V K88
2021-08-13 21:51:37 C 21 11 31.80 -01 25 43.0 V K88
2021-08-13 21:53:44 C 21 11 32.36 -01 25 28.8 V K88
2021-08-13 21:55:52 C 21 11 32.94 -01 25 13.9 V K88
2021-08-13 22:58:47 C 21 11 51.34 -01 17 55.3 V 160
2021-08-13 23:01:42 C 21 11 52.12 -01 17 35.2 V 160
2021-08-13 23:04:36 C 21 11 52.90 -01 17 15.6 V 160
2021-08-14 09:22:58 C 21 15 10.19 -00 04 17.0 V T08
2021-08-14 09:26:59 C 21 15 11.28 -00 03 48.4 V T08
2021-08-14 09:34:19 C 21 15 13.24 -00 02 56.4 V T08
2021-08-14 20:20:45 C 21 18 49.62 +01 13 45.9 V G17
2021-08-14 20:25:09 C 21 18 50.97 +01 14 18.4 V G17
2021-08-14 20:29:33 C 21 18 52.28 +01 14 51.1 V G17
2021-08-14 20:52:54 C 21 18 56.02 +01 17 26.5 V L99
2021-08-14 21:01:54 C 21 18 58.65 +01 18 33.2 V L99
2021-08-14 21:10:54 C 21 19 01.34 +01 19 39.3 V L99
2021-08-14 21:23:07 C 21 19 04.87 +01 21 19.5 V 089
2021-08-14 21:26:28 C 21 19 05.88 +01 21 43.4 V 089
2021-08-14 21:29:49 C 21 19 06.87 +01 22 08.4 V 089
2021-08-14 21:33:10 C 21 19 07.80 +01 22 33.0 V 089
2021-08-14 21:36:31 C 21 19 08.87 +01 22 57.9 V 089
2021-08-14 21:39:52 C 21 19 09.80 +01 23 22.6 V 089
2021-08-14 21:43:13 C 21 19 10.82 +01 23 47.1 V 089
2021-08-14 21:46:34 C 21 19 11.79 +01 24 11.9 V 089
2021-08-14 21:49:55 C 21 19 12.82 +01 24 36.7 V 089
2021-08-14 21:53:16 C 21 19 13.80 +01 25 01.8 V 089
2021-08-14 22:31:18 C 21 19 28.85 +01 29 32.1 V G33
2021-08-14 22:33:00 C 21 19 29.35 +01 29 45.2 V G33
2021-08-14 22:36:21 C 21 19 30.34 +01 30 09.9 V G33
2021-08-14 22:38:03 C 21 19 30.88 +01 30 22.5 V G33
2021-08-14 22:39:44 C 21 19 31.41 +01 30 35.7 V G33
2021-08-14 23:28:04 C 21 19 45.31 +01 36 52.8 V 160
2021-08-14 23:30:38 C 21 19 46.08 +01 37 12.0 V 160
2021-08-14 23:33:14 C 21 19 46.85 +01 37 31.5 V 160
2021-08-15 20:31:04 C 21 27 14.47 +04 18 38.6 V L18
2021-08-15 20:32:04 C 21 27 14.77 +04 18 46.6 V L18
2021-08-15 20:33:04 C 21 27 15.05 +04 18 54.5 V L18
2021-08-15 20:34:04 C 21 27 15.41 +04 19 02.6 V L18
2021-08-15 20:35:04 C 21 27 15.75 +04 19 10.5 V L18
2021-08-15 20:36:04 C 21 27 16.11 +04 19 18.2 V L18
2021-08-15 21:27:51 C 21 27 32.23 +04 26 16.3 V 089
2021-08-15 21:34:33 C 21 27 34.40 +04 27 10.4 V 089
2021-08-15 21:37:54 C 21 27 35.48 +04 27 36.7 V 089
2021-08-15 21:44:36 C 21 27 37.68 +04 28 30.3 V 089