2018 UA1

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6240927868 ± 2.74e-08
Semi-major axis (a)2.5284221627 AU ± 5.16e-09
Inclination (i)18.44643034° ± 1.04e-05
Long. of Asc. Node (Ω)358.93686062° ± 3.15e-05
Arg. of Perihelion (ω)348.28705109° ± 3.42e-05
Mean Anomaly (M)282.38448573° ± 2.33e-06
Mean Motion (n)0.2451533846°/day ± 7.50e-10
Perihelion dist (q)0.95045213 AU ± 6.92e-08
Aphelion dist (Q)4.10639220 AU ± 6.97e-08
Orbital Period4.02044738 yr ± 1.23e-08
Physical Parameters
H (abs. magnitude)19.91
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.250″
Uncertainty0
Orbit TypeApollo
MOID0.045153 AU
Observations Used215
Oppositions9
Arc Total2010-2022
First Observation Used2010-10-23
Last Observation Used2022-11-23
Observations (230)
Date Type RA Dec Mag Band Observatory
2010-10-12 12:17:21 S 12 31 53.148 +82 11 46.68 L C51
2010-10-12 13:52:31 S 12 31 19.987 +82 17 13.52 L C51
2010-10-12 15:27:41 S 12 30 46.152 +82 22 38.24 L C51
2010-10-12 17:03:02 S 12 30 12.206 +82 28 01.13 L C51
2010-10-12 20:13:22 S 12 29 02.191 +82 38 38.65 L C51
2010-10-12 23:23:53 S 12 27 49.404 +82 49 08.11 L C51
2010-10-23 09:23:09 C 03 27 33.952 +87 03 35.48 V F51
2010-10-23 09:41:59 C 03 27 10.204 +87 03 11.42 V F51
2010-11-10 06:52:13 C 01 59 03.563 +78 01 01.22 V F51
2010-11-10 07:08:52 C 01 59 02.955 +78 00 42.44 V F51
2010-11-16 06:56:20 C 01 59 38.506 +75 14 19.68 V F51
2014-10-11 00:58:20 S 08 59 25.723 +76 47 24.14 L C51
2014-10-11 04:07:45 S 08 57 54.432 +76 54 01.80 L C51
2014-10-11 05:42:33 S 08 57 08.729 +76 57 18.47 L C51
2014-10-11 07:17:10 S 08 56 22.704 +77 00 33.01 L C51
2014-10-11 08:51:47 S 08 55 36.953 +77 03 46.19 L C51
2018-10-10 02:43:08 C 18 11 46.09 +30 52 24.1 V G96
2018-10-10 02:52:47 C 18 11 49.97 +30 54 06.0 V G96
2018-10-16 17:58:40 S 19 22 52.36 +51 40 22.0 L C51
2018-10-16 21:07:10 S 19 24 19.56 +51 56 45.1 L C51
2018-10-16 22:41:25 S 19 25 03.17 +52 04 51.3 L C51
2018-10-17 06:51:51 C 19 28 47.03 +52 46 29.4 U T05
2018-10-17 07:01:14 C 19 28 51.22 +52 47 14.5 U T05
2018-10-17 07:02:39 C 19 28 51.84 +52 47 20.8 U T05
2018-10-17 07:08:36 C 19 28 54.42 +52 47 49.2 U T05
2018-10-17 07:18:51 C 19 28 59.01 +52 48 37.9 U T05
2018-10-17 07:22:11 C 19 29 00.43 +52 48 54.1 U T05
2018-10-17 07:34:45 C 19 29 06.05 +52 49 53.5 U T05
2018-10-17 09:18:03 C 19 29 52.56 +52 57 58.3 U T05
2018-10-17 09:18:43 C 19 29 52.86 +52 58 01.5 U T05
2018-10-17 09:22:17 C 19 29 54.49 +52 58 17.9 U T05
2018-10-17 09:28:27 C 19 29 57.34 +52 58 47.2 U T05
2018-10-17 09:38:06 C 19 30 01.72 +52 59 31.4 U T05
2018-10-17 09:43:05 C 19 30 04.04 +52 59 54.8 U T05
2018-10-17 09:52:34 C 19 30 08.37 +53 00 38.8 U T05
2018-10-17 17:07:05 C 19 33 36.04 +53 35 16.7 q K61
2018-10-17 17:07:51 C 19 33 36.42 +53 35 20.1 q K61
2018-10-17 17:08:14 C 19 33 36.57 +53 35 22.3 q K61
2018-10-17 17:32:26 C 19 33 47.44 +53 37 12.6 V G34
2018-10-17 17:34:20 C 19 33 48.22 +53 37 21.3 V G34
2018-10-17 17:36:20 C 19 33 49.34 +53 37 30.7 V G34
2018-10-17 17:38:15 C 19 33 49.99 +53 37 39.2 V G34
2018-10-17 17:56:27 C 19 33 57.77 +53 39 15.0 17.5 u C82
2018-10-17 17:58:33 C 19 33 58.63 +53 39 24.1 17.8 u C82
2018-10-17 17:58:33 C 19 33 58.64 +53 39 24.1 17.6 u C82
2018-10-17 18:00:38 C 19 33 59.54 +53 39 33.5 17.9 u C82
2018-10-17 18:04:51 C 19 34 01.44 +53 39 52.6 17.8 u C82
2018-10-17 18:06:56 C 19 34 02.36 +53 40 02.3 18.1 u C82
2018-10-17 18:09:01 C 19 34 03.29 +53 40 12.1 18.5 u C82
2018-10-17 18:13:50 C 19 34 06.23 +53 40 28.8 V K30