2001 UX4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7530815749 ± 2.98e-08
Semi-major axis (a)1.7206122095 AU ± 1.23e-09
Inclination (i)8.97461601° ± 7.08e-06
Long. of Asc. Node (Ω)182.29253365° ± 3.24e-05
Arg. of Perihelion (ω)333.96959280° ± 3.17e-05
Mean Anomaly (M)214.15160507° ± 4.56e-06
Mean Motion (n)0.4367046091°/day ± 4.69e-10
Perihelion dist (q)0.42485086 AU ± 5.13e-08
Aphelion dist (Q)3.01637356 AU ± 5.14e-08
Orbital Period2.25696332 yr ± 2.43e-09
Physical Parameters
H (abs. magnitude)19.36
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.353″
Uncertainty0
Orbit TypeApollo
MOID0.108685 AU
Observations Used242
Oppositions12
Arc Total2001-2022
First Observation Used2001-10-16
Last Observation Used2022-06-19
Observations (262)
Date Type RA Dec Mag Band Observatory
2019-11-04 08:27:02 C 00 38 59.08 -12 47 12.9 V T08
2019-11-04 08:35:40 C 00 38 57.26 -12 47 32.2 V T08
2019-11-04 08:50:55 C 00 38 54.00 -12 48 06.0 V T08
2019-11-05 08:45:08 C 00 33 56.94 -13 41 11.8 V T08
2019-11-05 08:49:15 C 00 33 55.98 -13 41 21.7 V T08
2019-11-05 08:57:19 C 00 33 54.28 -13 41 39.3 V T08
2019-11-05 09:11:27 C 00 33 51.22 -13 42 11.0 V T08
2019-11-15 07:47:05 C 23 38 31.28 -22 31 39.0 V T05
2019-11-15 07:52:27 C 23 38 29.90 -22 31 50.2 V T05
2019-11-15 08:04:19 C 23 38 26.85 -22 32 14.0 V T05
2019-11-15 08:20:42 C 23 38 22.63 -22 32 49.0 V T05
2019-11-18 02:54:36 C 23 21 20.83 -24 50 57.8 V 703
2019-11-18 03:01:07 C 23 21 19.21 -24 51 11.2 V 703
2019-11-18 03:07:37 C 23 21 17.48 -24 51 24.0 V 703
2019-11-18 03:14:09 C 23 21 15.74 -24 51 36.3 V 703
2019-11-24 06:20:28 C 22 41 40.67 -29 25 53.5 V T08
2019-11-24 06:28:28 C 22 41 38.40 -29 26 07.1 V T08
2019-11-24 06:33:11 C 22 41 37.00 -29 26 15.3 V T08
2019-11-24 06:47:53 C 22 41 32.78 -29 26 39.3 V T08
2020-07-25 05:27:26 C 21 16 59.72 -03 42 03.5 u H21
2020-07-25 05:35:54 C 21 16 59.11 -03 42 06.6 u H21
2020-07-25 05:40:52 C 21 16 58.77 -03 42 08.1 u H21
2021-09-27 23:54:56 C 23 40 48.13 -01 08 29.3 W84
2021-09-28 00:10:09 C 23 40 47.10 -01 08 37.6 W84
2021-09-28 03:58:20 C 23 40 31.75 -01 10 38.6 W84
2021-10-01 00:33:33 C 23 36 00.79 -01 47 03.0 W84
2021-10-01 01:42:55 C 23 35 56.13 -01 47 39.7 W84
2021-10-01 02:27:28 C 23 35 53.14 -01 48 03.3 W84
2021-10-01 03:12:14 C 23 35 50.14 -01 48 27.0 W84
2021-10-02 00:20:26 C 23 34 27.17 -01 59 38.7 W84
2021-10-02 00:26:13 C 23 34 26.78 -01 59 41.8 W84
2021-10-02 04:02:02 C 23 34 12.35 -02 01 36.0 W84
2021-10-03 00:16:31 C 23 32 53.33 -02 12 17.3 W84
2021-10-03 01:12:20 C 23 32 49.63 -02 12 46.7 W84
2021-10-03 02:06:52 C 23 32 46.00 -02 13 15.5 W84
2021-10-03 03:05:16 C 23 32 42.10 -02 13 46.4 W84
2022-05-31 00:36:38 C 23 03 27.727 +26 18 22.46 V A17
2022-05-31 00:59:18 C 23 03 19.982 +26 18 08.24 V A17
2022-05-31 01:25:07 C 23 03 11.062 +26 17 51.90 V A17
2022-06-05 10:46:10 C 22 19 47.341 +24 27 56.45 V G96
2022-06-05 10:52:30 C 22 19 45.232 +24 27 50.08 V G96
2022-06-05 10:58:50 C 22 19 43.104 +24 27 43.70 V G96
2022-06-05 11:05:10 C 22 19 40.994 +24 27 37.37 V G96
2022-06-06 06:17:54 S 22 13 23.174 +24 07 21.25 L C51
2022-06-06 07:51:47 S 22 12 52.714 +24 05 39.59 L C51
2022-06-06 09:25:05 C 22 12 25.042 +24 03 58.90 V 703
2022-06-06 09:25:40 S 22 12 22.224 +24 03 57.67 L C51
2022-06-06 09:25:51 S 22 12 22.202 +24 03 56.05 L C51
2022-06-06 09:32:41 C 22 12 22.522 +24 03 51.19 V 703
2022-06-06 09:40:17 C 22 12 19.984 +24 03 43.09 V 703