2018 UH1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5386871120
Semi-major axis (a)1.7639150127 AU
Inclination (i)4.17925089°
Long. of Asc. Node (Ω)200.66282388° ± 5.00e+00
Arg. of Perihelion (ω)252.09376257° ± 6.00e+00
Mean Anomaly (M)349.52450978°
Mean Motion (n)0.4207143700°/day
Perihelion dist (q)0.81371940 AU
Aphelion dist (Q)2.71411200 AU
Orbital Period2.34270030 yr
Physical Parameters
H (abs. magnitude)25.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.580″
Uncertainty
Orbit TypeApollo
MOID0.013113 AU
Observations Used77
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-10-22
Observations (77)
Date Type RA Dec Mag Band Observatory
2018-10-19 22:33:38 C 01 46 19.88 -01 07 38.0 V 595
2018-10-19 22:39:46 C 01 46 23.04 -01 08 31.9 V 595
2018-10-19 22:52:03 C 01 46 29.29 -01 10 20.8 V 595
2018-10-20 00:09:50 C 01 47 10.09 -01 21 49.8 q K63
2018-10-20 00:11:10 C 01 47 10.80 -01 22 01.6 q K63
2018-10-20 21:33:39 C 02 02 21.55 -05 16 23.1 V J69
2018-10-20 21:45:40 C 02 02 31.30 -05 19 02.6 V J69
2018-10-20 22:09:11 C 02 02 50.41 -05 24 16.7 V J69
2018-10-20 22:21:12 C 02 03 00.21 -05 26 58.2 V J69
2018-10-20 23:46:40 C 02 04 10.53 -05 46 22.6 V Z80
2018-10-20 23:50:00 C 02 04 13.26 -05 47 08.4 V Z80
2018-10-20 23:53:21 C 02 04 16.11 -05 47 53.8 V Z80
2018-10-20 23:56:41 C 02 04 18.92 -05 48 41.4 V Z80
2018-10-21 00:00:01 C 02 04 21.67 -05 49 26.5 V Z80
2018-10-21 00:03:20 C 02 04 24.42 -05 50 13.0 V Z80
2018-10-21 06:32:30 C 02 10 36.02 -07 25 21.1 u H21
2018-10-21 06:35:19 C 02 10 38.73 -07 26 05.9 u H21
2018-10-21 06:37:50 C 02 10 41.10 -07 26 45.3 u H21
2018-10-21 07:05:01 C 02 11 14.43 -07 33 25.1 V 703
2018-10-21 07:10:49 C 02 11 20.01 -07 34 56.4 V 703
2018-10-21 07:16:36 C 02 11 25.58 -07 36 31.4 V 703
2018-10-21 07:22:23 C 02 11 31.12 -07 38 02.8 V 703
2018-10-22 10:05:32 C 02 50 48.22 -17 06 36.3 U T05
2018-10-22 10:23:32 C 02 51 22.79 -17 15 00.1 U T05
2018-10-22 10:44:14 C 02 52 02.74 -17 24 41.6 U T05
2018-10-22 10:48:12 C 02 52 10.39 -17 26 32.7 U T05
2018-10-22 11:12:32 C 02 52 58.06 -17 38 03.2 U T05