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
2018-05-27 03:25:39 S 10 53 24.50 -27 35 23.6 L C51
2018-05-27 06:33:58 S 10 53 35.90 -27 38 45.2 L C51
2018-05-27 09:42:28 S 10 53 47.67 -27 42 08.1 L C51
2018-05-27 14:25:13 S 10 54 05.165 -27 47 12.62 L C51
2018-05-27 17:33:32 S 10 54 16.82 -27 50 34.8 L C51
2018-05-27 17:33:43 S 10 54 16.91 -27 50 37.1 L C51
2018-05-27 19:07:47 S 10 54 22.735 -27 52 17.40 L C51
2018-05-27 20:42:02 S 10 54 28.666 -27 53 59.57 L C51
2018-05-27 22:16:17 S 10 54 34.610 -27 55 40.30 L C51
2018-05-28 01:24:48 S 10 54 46.56 -27 59 03.5 L C51
2018-05-28 02:59:02 S 10 54 52.49 -28 00 45.2 L C51
2018-05-28 04:33:06 S 10 54 58.41 -28 02 25.2 L C51
2018-05-28 04:33:17 S 10 54 58.40 -28 02 25.6 L C51
2018-05-28 06:07:21 S 10 55 04.47 -28 04 07.4 L C51
2018-05-28 07:41:36 S 10 55 10.46 -28 05 48.6 L C51
2018-05-28 09:15:52 S 10 55 16.60 -28 07 30.6 L C51
2018-05-28 10:50:07 S 10 55 22.65 -28 09 11.4 L C51
2018-05-28 12:24:21 S 10 55 28.77 -28 10 52.4 L C51
2018-05-28 15:32:51 S 10 55 40.97 -28 14 15.5 L C51
2018-05-28 18:41:11 S 10 55 53.25 -28 17 38.9 L C51
2018-05-29 00:58:11 S 10 56 18.043 -28 24 23.94 L C51
2018-05-29 04:06:29 S 10 56 30.47 -28 27 46.6 L C51
2018-05-29 04:06:41 S 10 56 30.53 -28 27 46.3 L C51
2018-05-29 07:15:00 S 10 56 43.020 -28 31 08.83 L C51
2018-06-09 00:41:09 C 11 17 43.36 -33 05 29.3 U 807
2018-06-09 00:45:43 C 11 17 43.80 -33 05 34.0 U 807
2018-06-09 00:50:55 C 11 17 44.29 -33 05 39.4 U 807
2018-07-08 00:55:40 C 12 54 31.42 -43 45 30.9 U 807
2018-07-08 01:01:34 C 12 54 32.48 -43 45 35.0 U 807
2018-07-08 01:08:19 C 12 54 33.71 -43 45 39.8 U 807
2018-07-21 16:45:30 S 13 58 36.974 -46 35 45.74 L C51