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
2018-04-17 21:00:25 C 10 47 50.03 -10 44 39.1 U 204
2018-04-17 21:04:07 C 10 47 49.83 -10 44 42.7 U K38
2018-04-17 21:17:38 C 10 47 49.13 -10 44 57.6 U 204
2018-04-17 21:35:29 C 10 47 48.23 -10 45 16.3 U 204
2018-04-17 21:57:06 C 10 47 47.11 -10 45 39.2 U K38
2018-04-17 22:48:19 C 10 47 44.48 -10 46 33.8 U K38
2018-04-18 05:49:36 C 10 47 24.51 -10 53 57.5 U I52
2018-04-18 05:52:28 C 10 47 24.35 -10 54 01.2 U I52
2018-04-18 06:00:16 C 10 47 24.01 -10 54 09.8 U I52
2018-04-18 12:53:33 C 10 47 04.81 -11 01 28.6 r P93
2018-04-18 13:00:32 C 10 47 04.46 -11 01 36.4 r P93
2018-04-18 13:07:30 C 10 47 04.09 -11 01 43.6 r P93
2018-04-18 13:14:29 C 10 47 03.74 -11 01 51.0 r P93
2018-04-18 19:25:07 C 10 46 47.13 -11 08 27.2 q K51
2018-04-18 19:28:53 C 10 46 46.95 -11 08 31.2 q K51
2018-04-18 19:30:10 C 10 46 46.88 -11 08 33.4 S 033
2018-04-18 19:32:24 C 10 46 46.76 -11 08 35.9 S 033
2018-04-18 19:32:39 C 10 46 46.76 -11 08 35.3 q K51
2018-04-18 19:34:38 C 10 46 46.65 -11 08 38.4 S 033
2018-04-18 19:54:05 C 10 46 45.72 -11 08 58.4 18.2 U K63
2018-04-18 20:04:56 C 10 46 45.12 -11 09 11.3 q 246
2018-04-18 20:06:46 C 10 46 44.91 -11 09 12.6 q 246
2018-04-18 20:07:03 C 10 46 44.89 -11 09 13.0 q 246
2018-04-18 20:10:44 C 10 46 44.92 -11 09 15.5 18.6 U K63
2018-04-18 20:20:20 C 10 46 44.40 -11 09 25.3 19.6 U K63
2018-04-18 20:51:08 C 10 46 42.86 -11 09 59.1 S L01
2018-04-18 20:58:19 C 10 46 42.47 -11 10 06.0 S L01
2018-04-18 21:04:15 C 10 46 42.17 -11 10 11.7 S L01
2018-04-19 04:34:38 C 10 46 21.94 -11 18 09.3 U I52
2018-04-19 04:40:11 C 10 46 21.68 -11 18 13.8 U I52
2018-04-19 04:45:45 C 10 46 21.35 -11 18 20.3 U I52
2018-04-19 14:28:24 C 10 45 55.11 -11 28 40.4 r P93
2018-04-19 14:36:14 C 10 45 54.72 -11 28 48.8 r P93
2018-04-19 14:51:21 C 10 45 54.00 -11 29 04.7 r P93
2018-04-19 20:45:57 C 10 45 39.11 -11 35 25.8 q K61
2018-04-19 20:46:55 C 10 45 39.05 -11 35 26.8 q K61
2018-04-19 20:47:53 C 10 45 38.99 -11 35 28.1 q K61
2018-04-19 20:48:40 C 10 45 38.99 -11 35 28.4 U 587
2018-04-19 20:57:07 C 10 45 38.58 -11 35 37.2 U 587
2018-04-19 21:05:33 C 10 45 38.19 -11 35 46.0 U 587
2018-04-19 21:20:07 C 10 45 37.62 -11 36 01.1 q C95
2018-04-19 22:10:53 C 10 45 35.21 -11 36 55.1 q C95
2018-04-20 04:17:30 C 10 45 19.94 -11 43 23.3 U V06
2018-04-20 04:23:11 C 10 45 19.70 -11 43 29.5 U V06
2018-04-20 04:28:51 C 10 45 19.42 -11 43 35.5 U V06
2018-04-20 04:34:31 C 10 45 19.11 -11 43 41.4 U V06
2018-04-23 03:20:50 C 10 42 36.13 -12 59 14.4 U I52
2018-04-23 03:23:46 C 10 42 36.03 -12 59 18.1 U I52
2018-04-23 03:26:43 C 10 42 35.91 -12 59 21.3 U I52
2018-04-23 03:36:22 C 10 42 35.53 -12 59 31.6 U I52