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
2018-11-10 07:33:54 C 23 08 16.21 +65 14 05.6 o 291
2018-11-10 07:36:22 C 23 08 16.85 +65 14 04.9 o 291
2018-11-14 01:56:47 C 23 30 46.05 +64 43 28.8 18.8 q H21
2018-11-14 01:58:06 C 23 30 46.32 +64 43 28.4 u H21
2018-11-14 02:03:11 C 23 30 47.44 +64 43 26.2 u H21
2018-11-14 02:04:30 C 23 30 47.76 +64 43 25.5 18.6 q H21
2018-11-14 02:09:35 C 23 30 48.86 +64 43 23.7 u H21
2018-11-14 02:12:12 C 23 30 49.45 +64 43 22.9 q H21
2018-11-14 04:28:51 C 23 31 23.347 +64 42 30.85 V T12
2018-11-14 04:29:51 C 23 31 23.560 +64 42 30.48 V T12
2018-11-14 04:31:49 C 23 31 23.995 +64 42 29.76 V T12
2018-11-19 05:24:14 C 23 57 31.14 +63 44 20.2 U I41
2018-11-19 05:37:52 C 23 57 33.72 +63 44 12.5 U I41
2018-11-19 05:58:01 C 23 57 37.56 +63 44 01.2 U I41
2018-11-19 06:46:52 C 23 57 46.87 +63 43 32.5 U I41
2018-11-21 05:05:16 C 00 06 51.29 +63 17 46.7 o 695
2018-11-21 05:09:02 C 00 06 51.97 +63 17 44.5 o 695
2018-11-21 05:12:47 C 00 06 52.65 +63 17 42.2 o 695
2018-12-23 04:59:45 C 01 55 41.35 +54 50 13.5 o 695
2018-12-23 05:08:03 C 01 55 42.26 +54 50 08.1 o 695
2018-12-23 05:16:20 C 01 55 43.16 +54 50 02.7 o 695
2019-01-04 07:05:17 C 02 27 03.31 +51 57 01.1 o 291
2019-01-04 07:13:55 C 02 27 04.34 +51 56 56.6 o 291
2019-01-04 07:22:33 C 02 27 05.14 +51 56 50.9 o 291
2022-05-17 02:03:40 C 15 34 47.47 -54 08 31.4 V 807
2022-05-17 02:13:31 C 15 34 46.34 -54 08 37.1 V 807
2022-05-17 02:23:37 C 15 34 45.32 -54 08 43.3 V 807
2022-11-23 04:34:36 C 22 58 25.208 +49 05 44.95 V G96
2022-11-23 04:41:36 C 22 58 26.753 +49 05 48.80 V G96
2022-11-23 04:48:35 C 22 58 28.286 +49 05 52.62 V G96