2018 HH2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2275164557 ± 2.92e-05
Semi-major axis (a)1.2482817719 AU ± 5.14e-05
Inclination (i)18.60520346° ± 1.88e-03
Long. of Asc. Node (Ω)42.68405186° ± 1.14e-04
Arg. of Perihelion (ω)115.46268236° ± 2.50e-03
Mean Anomaly (M)191.53844798° ± 1.28e-01
Mean Motion (n)0.7067134113°/day ± 4.37e-05
Perihelion dist (q)0.96427713 AU ± 5.39e-05
Aphelion dist (Q)1.53228642 AU ± 7.29e-05
Orbital Period1.39466192 yr ± 8.61e-05
Physical Parameters
H (abs. magnitude)23.12
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.348″
Uncertainty3
Orbit TypeApollo
MOID0.061150 AU
Observations Used119
Oppositions1
Arc Total2018-2018
First Observation Used2018-04-23
Last Observation Used2018-06-04
Observations (121)
Date Type RA Dec Mag Band Observatory
2018-04-24 22:59:13 C 15 53 30.09 +27 02 43.0 U K38
2018-04-24 23:05:15 C 15 53 27.23 +27 01 39.4 U K65
2018-04-24 23:17:58 C 15 53 21.67 +26 59 15.1 U K65
2018-04-24 23:20:08 C 15 53 20.50 +26 58 47.0 q 595
2018-04-24 23:28:23 C 15 53 16.89 +26 57 13.4 q 595
2018-04-24 23:31:20 C 15 53 15.81 +26 56 43.6 U K65
2018-04-24 23:45:05 C 15 53 09.78 +26 54 07.0 U K65
2018-04-24 23:54:39 C 15 53 05.57 +26 52 17.6 U K65
2018-04-24 23:58:24 C 15 53 04.25 +26 51 31.9 U 203
2018-04-25 00:16:33 C 15 52 56.30 +26 48 04.8 U 203
2018-04-25 08:00:46 C 15 49 44.33 +25 18 34.3 u H21
2018-04-25 08:03:58 C 15 49 42.93 +25 17 57.0 u H21
2018-04-25 08:08:28 C 15 49 40.94 +25 17 03.7 u H21
2018-04-25 09:05:03 C 15 49 19.08 +25 06 14.8 U I52
2018-04-25 09:05:14 C 15 49 18.97 +25 06 14.0 U I52
2018-04-25 09:05:24 C 15 49 18.87 +25 06 11.6 U I52
2018-04-25 09:05:36 C 15 49 18.82 +25 06 09.5 U I52
2018-04-25 09:37:22 C 15 49 04.72 +24 59 54.7 U G96
2018-04-25 09:43:02 C 15 49 02.13 +24 58 45.7 U G96
2018-04-25 09:48:47 C 15 48 59.49 +24 57 35.2 U G96
2018-04-25 17:14:41 C 15 45 59.28 +23 29 01.1 r P93
2018-04-25 17:17:00 C 15 45 58.25 +23 28 33.7 r P93
2018-04-25 17:19:20 C 15 45 57.20 +23 28 04.9 r P93
2018-04-25 17:21:40 C 15 45 56.22 +23 27 36.9 r P93
2018-04-25 20:34:29 C 15 44 45.16 +22 48 01.0 o K88
2018-04-25 20:40:15 C 15 44 42.76 +22 46 52.7 o K88
2018-04-25 20:46:01 C 15 44 40.36 +22 45 42.6 o K88
2018-04-25 23:53:01 C 15 43 22.29 +22 07 45.6 U Z80
2018-04-26 00:05:13 C 15 43 17.04 +22 05 16.0 U Z80
2018-04-26 00:12:10 C 15 43 14.06 +22 03 52.7 U Z80
2018-04-26 05:55:39 C 15 40 59.85 +20 53 49.7 o 691
2018-04-26 06:06:14 C 15 40 55.34 +20 51 39.9 o 691
2018-04-26 06:16:50 C 15 40 50.75 +20 49 29.7 o 691
2018-04-26 08:19:01 C 15 39 57.68 +20 24 16.3 U I52
2018-04-26 08:19:37 C 15 39 57.41 +20 24 08.9 U I52
2018-04-26 08:20:12 C 15 39 57.13 +20 24 01.4 U I52
2018-04-26 08:20:49 C 15 39 56.86 +20 23 53.8 U I52
2018-04-26 08:45:38 C 15 39 45.98 +20 18 43.7 U 703
2018-04-26 08:54:00 C 15 39 42.31 +20 17 00.0 U 703
2018-04-26 09:02:14 C 15 39 38.75 +20 15 17.1 U 703
2018-04-26 09:10:20 C 15 39 35.23 +20 13 35.8 U 703
2018-04-27 09:18:46 C 15 30 01.33 +15 05 11.3 U 703
2018-04-27 09:26:35 C 15 29 58.02 +15 03 30.1 U 703
2018-04-27 09:34:24 C 15 29 54.70 +15 01 48.4 U 703
2018-04-27 09:42:12 C 15 29 51.34 +15 00 06.3 U 703
2018-05-02 10:16:07 C 14 46 15.32 -10 32 34.5 q E08
2018-05-02 10:28:44 C 14 46 10.89 -10 34 59.7 q E08
2018-05-02 10:41:11 C 14 46 06.54 -10 37 21.4 q E08
2018-05-04 04:11:16 C 14 32 53.69 -17 58 47.3 q G48
2018-05-04 04:13:37 C 14 32 52.86 -17 59 11.8 q G48