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
2014-08-27 12:34:54 C 00 19 45.608 +01 17 44.83 V F51
2014-08-27 12:54:28 C 00 19 44.704 +01 17 43.71 V F51
2014-08-27 13:14:02 C 00 19 43.823 +01 17 43.07 V F51
2014-08-27 13:33:36 C 00 19 42.917 +01 17 42.16 V F51
2014-08-30 11:34:25 C 00 16 31.748 +01 14 26.32 V F51
2014-08-30 11:50:57 C 00 16 30.918 +01 14 25.54 V F51
2014-09-17 08:44:56 C 23 54 55.049 +00 39 09.51 V F51
2014-09-17 09:02:01 C 23 54 54.164 +00 39 07.92 V F51
2018-02-23 07:48:12 C 12 05 50.33 +06 25 42.0 U G96
2018-02-23 07:55:37 C 12 05 50.07 +06 25 38.7 U G96
2018-02-23 08:03:02 C 12 05 49.89 +06 25 35.7 U G96
2018-02-23 08:10:26 C 12 05 49.62 +06 25 32.9 U G96
2018-03-10 09:36:25 C 11 50 30.409 +03 09 10.83 U F51
2018-03-10 09:53:21 C 11 50 29.366 +03 08 59.92 U F51
2018-03-10 10:27:26 C 11 50 27.257 +03 08 37.96 U F51
2018-03-13 15:50:19 C 11 45 46.47 +02 16 43.5 q D29
2018-03-13 16:11:58 C 11 45 44.97 +02 16 28.2 q D29
2018-03-13 16:33:35 C 11 45 43.57 +02 16 13.7 q D29
2018-03-19 08:29:53 C 11 36 32.66 +00 35 38.3 U G96
2018-03-19 08:38:42 C 11 36 31.99 +00 35 31.4 U G96
2018-03-19 08:46:07 C 11 36 31.44 +00 35 25.5 U G96
2018-03-19 08:53:33 C 11 36 30.88 +00 35 19.7 U G96
2018-04-08 05:59:21 C 11 01 22.25 -06 43 16.9 U 703
2018-04-08 06:06:59 C 11 01 21.75 -06 43 25.9 U 703
2018-04-08 06:14:36 C 11 01 21.17 -06 43 32.2 U 703
2018-04-08 06:22:13 C 11 01 20.69 -06 43 39.5 U 703
2018-04-14 05:44:04 C 10 52 24.47 -09 12 25.5 U 703
2018-04-14 05:52:13 C 10 52 24.00 -09 12 35.7 U 703
2018-04-14 06:00:23 C 10 52 23.53 -09 12 43.4 U 703
2018-04-14 06:08:32 C 10 52 23.11 -09 12 51.5 U 703
2018-04-16 05:31:11 C 10 49 48.70 -10 02 47.7 U G96
2018-04-16 05:38:36 C 10 49 48.28 -10 02 55.5 U G96
2018-04-16 05:46:01 C 10 49 47.87 -10 03 03.2 U G96
2018-04-16 05:53:30 C 10 49 47.45 -10 03 11.3 U G96
2018-04-16 20:43:38 C 10 49 02.16 -10 18 54.3 U 010
2018-04-16 23:31:21 C 10 48 54.30 -10 21 31.4 U 807
2018-04-16 23:35:06 C 10 48 54.10 -10 21 34.9 U 807
2018-04-16 23:38:40 C 10 48 53.88 -10 21 38.7 U 807
2018-04-17 03:02:13 C 10 48 43.21 -10 25 35.0 q H36
2018-04-17 03:26:33 C 10 48 41.86 -10 26 00.5 q H36
2018-04-17 05:03:53 C 10 48 36.67 -10 27 43.0 q H36
2018-04-17 19:25:14 C 10 47 54.93 -10 42 59.0 S 033
2018-04-17 19:27:28 C 10 47 54.83 -10 43 01.5 S 033
2018-04-17 19:29:44 C 10 47 54.72 -10 43 03.9 S 033
2018-04-17 19:30:16 C 10 47 54.66 -10 43 03.9 q 246
2018-04-17 19:31:17 C 10 47 54.60 -10 43 04.4 q 246
2018-04-17 19:31:56 C 10 47 54.54 -10 43 05.2 q 246
2018-04-17 20:17:21 C 10 47 52.48 -10 43 52.0 q B74
2018-04-17 20:26:10 C 10 47 51.99 -10 44 01.7 q B74
2018-04-17 20:33:29 C 10 47 51.58 -10 44 09.6 q B74