2018 HH

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5257820570 ± 1.54e-07
Semi-major axis (a)2.7063066271 AU ± 5.12e-07
Inclination (i)15.56283940° ± 2.91e-05
Long. of Asc. Node (Ω)354.20633665° ± 2.86e-05
Arg. of Perihelion (ω)243.60167581° ± 9.47e-05
Mean Anomaly (M)245.52130891° ± 1.73e-04
Mean Motion (n)0.2213842776°/day ± 6.28e-08
Perihelion dist (q)1.28337916 AU ± 4.83e-07
Aphelion dist (Q)4.12923409 AU ± 8.86e-07
Orbital Period4.45210606 yr ± 1.26e-06
Physical Parameters
H (abs. magnitude)19.51
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.343″
Uncertainty0
Orbit TypeAmor
MOID0.370821 AU
Observations Used129
Oppositions3
Arc Total2014-2018
First Observation Used2014-08-27
Last Observation Used2018-07-08
Observations (181)
Date Type RA Dec Mag Band Observatory
2018-04-24 04:12:58 C 10 41 46.46 -13 25 51.3 U G96
2018-04-24 04:22:25 C 10 41 46.15 -13 26 01.7 U G96
2018-04-24 04:31:53 C 10 41 45.80 -13 26 11.4 U G96
2018-04-24 04:41:20 C 10 41 45.43 -13 26 21.2 U G96
2018-04-26 04:37:56 C 10 40 22.26 -14 17 42.7 U I52
2018-04-26 04:44:25 C 10 40 22.09 -14 17 50.5 U I52
2018-04-26 04:47:49 C 10 40 21.99 -14 17 54.0 U I52
2018-05-08 03:50:43 C 10 37 41.71 -19 25 58.7 U V06
2018-05-08 03:56:49 C 10 37 41.73 -19 26 06.5 U 703
2018-05-08 04:06:10 C 10 37 41.76 -19 26 15.2 U V06
2018-05-08 04:12:24 C 10 37 41.77 -19 26 22.1 U 703
2018-05-08 04:20:11 C 10 37 41.90 -19 26 29.7 U 703
2018-05-08 04:21:12 C 10 37 41.80 -19 26 31.2 U V06
2018-05-08 04:36:40 C 10 37 41.86 -19 26 47.7 U V06
2018-05-13 00:24:13 C 10 39 23.67 -21 30 46.2 u 807
2018-05-13 00:27:22 C 10 39 23.76 -21 30 49.3 u 807
2018-05-13 00:30:23 C 10 39 23.82 -21 30 52.6 u 807
2018-05-16 05:01:59 C 10 41 22.81 -22 53 17.1 o 691
2018-05-16 05:07:02 C 10 41 22.96 -22 53 22.9 o 691
2018-05-16 05:14:34 C 10 41 23.17 -22 53 31.3 o 691
2018-05-20 23:49:02 S 10 45 39.922 -24 56 27.49 L C51
2018-05-21 03:27:55 C 10 45 49.60 -25 00 37.8 U I52
2018-05-21 03:29:01 C 10 45 49.63 -25 00 40.1 U I52
2018-05-21 03:34:06 C 10 45 49.81 -25 00 43.8 U I52
2018-05-21 06:06:02 S 10 45 56.59 -25 03 13.4 L C51
2018-05-21 09:14:22 S 10 46 05.11 -25 06 36.4 L C51
2018-05-21 09:14:32 S 10 46 05.07 -25 06 36.7 L C51
2018-05-21 12:22:07 S 10 46 13.58 -25 09 56.4 L C51
2018-05-21 15:31:21 S 10 46 22.19 -25 13 22.6 L C51
2018-05-21 17:05:36 S 10 46 26.51 -25 15 03.7 L C51
2018-05-21 18:39:51 S 10 46 30.929 -25 16 42.89 L C51
2018-05-21 21:48:11 S 10 46 39.586 -25 20 07.87 L C51
2018-05-21 23:22:26 S 10 46 44.028 -25 21 49.57 L C51
2018-05-22 00:56:41 S 10 46 48.398 -25 23 30.84 L C51
2018-05-22 02:30:12 S 10 46 52.74 -25 25 09.9 L C51
2018-05-22 04:04:27 S 10 46 57.25 -25 26 51.9 L C51
2018-05-22 05:39:26 S 10 47 01.70 -25 28 34.9 L C51
2018-05-22 07:13:41 S 10 47 06.22 -25 30 16.6 L C51
2018-05-22 08:47:45 S 10 47 10.69 -25 31 56.8 L C51
2018-05-22 08:47:55 S 10 47 10.75 -25 31 57.5 L C51
2018-05-22 10:22:00 S 10 47 15.20 -25 33 39.0 L C51
2018-05-22 11:55:31 S 10 47 19.70 -25 35 19.3 L C51
2018-05-22 15:04:45 S 10 47 28.80 -25 38 43.1 L C51
2018-05-22 18:13:15 S 10 47 37.96 -25 42 06.6 L C51
2018-05-23 00:30:04 S 10 47 56.573 -25 48 52.45 L C51
2018-05-23 03:37:50 S 10 48 05.91 -25 52 12.5 L C51
2018-05-26 18:00:09 S 10 52 50.35 -27 25 14.6 L C51
2018-05-26 18:00:19 S 10 52 50.38 -27 25 16.1 L C51
2018-05-26 21:08:39 S 10 53 01.766 -27 28 38.17 L C51
2018-05-27 00:17:09 S 10 53 13.056 -27 32 00.10 L C51