2006 HJ18

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3172879801 ± 1.92e-07
Semi-major axis (a)1.0840381799 AU ± 1.38e-08
Inclination (i)10.25144106° ± 1.68e-05
Long. of Asc. Node (Ω)75.16424347° ± 6.51e-05
Arg. of Perihelion (ω)28.93524223° ± 7.19e-05
Mean Anomaly (M)196.25398008° ± 4.05e-05
Mean Motion (n)0.8732637018°/day ± 1.67e-08
Perihelion dist (q)0.74008590 AU ± 2.08e-07
Aphelion dist (Q)1.42799046 AU ± 2.09e-07
Orbital Period1.12866970 yr ± 2.16e-08
NGA Modelr2
A2-1.17904790e-13 ± 2.57e-14 AU/d²
Physical Parameters
H (abs. magnitude)21.88
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.418″
Uncertainty0
Orbit TypeApollo
MOID0.143562 AU
Observations Used65
Oppositions2
Arc Total2006-2024
First Observation Used2006-04-23
Last Observation Used2024-06-05
Observations (76)
Date Type RA Dec Mag Band Observatory
2006-04-23 07:47:21 C 16 02 53.44 +40 54 01.8 r 703
2006-04-23 07:57:39 C 16 02 49.74 +40 53 28.5 r 703
2006-04-23 08:08:07 C 16 02 45.99 +40 52 54.8 r 703
2006-04-23 08:18:36 C 16 02 42.18 +40 52 20.7 r 703
2006-04-23 09:29:07 C 16 02 17.00 +40 48 30.7 r 703
2006-04-23 09:44:53 C 16 02 11.41 +40 47 41.1 r 703
2006-04-23 10:00:51 C 16 02 05.68 +40 46 47.4 r 703
2006-04-23 21:17:24 C 15 58 22.88 +40 09 15.5 r A17
2006-04-23 22:05:04 C 15 58 06.66 +40 06 42.0 r A17
2006-04-23 22:42:00 C 15 57 54.09 +40 04 42.3 r A17
2006-04-23 23:32:24 C 15 57 36.60 +40 02 00.2 c A44
2006-04-23 23:47:43 C 15 57 31.36 +40 01 09.9 c A44
2006-04-24 00:03:36 C 15 57 25.91 +40 00 18.0 c A44
2006-04-24 00:03:39 C 15 57 26.15 +40 00 16.7 o 198
2006-04-24 00:28:10 C 15 57 17.68 +39 58 56.4 o 198
2006-04-24 00:37:16 C 15 57 14.61 +39 58 25.9 o 198
2006-04-24 00:53:50 C 15 57 08.84 +39 57 31.4 o 198
2006-04-24 00:54:52 C 15 57 08.47 +39 57 28.4 o 198
2006-04-24 01:07:05 C 15 57 03.69 +39 56 48.6 o 461
2006-04-24 01:09:42 C 15 57 02.73 +39 56 39.1 o 461
2006-04-24 01:12:20 C 15 57 01.86 +39 56 29.7 o 461
2006-04-24 01:21:15 C 15 56 59.08 +39 56 00.6 r 118
2006-04-24 01:37:05 C 15 56 53.47 +39 55 07.3 r 118
2006-04-24 06:12:11 C 15 55 27.54 +39 40 00.8 c 854
2006-04-24 06:23:07 C 15 55 23.80 +39 39 25.6 c 854
2006-04-24 06:50:26 C 15 55 14.51 +39 37 56.2 c 854
2006-04-24 09:33:20 C 15 54 18.82 +39 28 58.1 r G96
2006-04-24 09:33:55 C 15 54 18.61 +39 28 55.9 r G96
2006-04-24 09:34:32 C 15 54 18.39 +39 28 54.0 r G96
2006-04-24 09:35:09 C 15 54 18.21 +39 28 51.8 r G96
2006-04-27 04:32:20 C 15 34 09.18 +35 39 48.3 r 715
2006-04-27 04:42:21 C 15 34 06.28 +35 39 14.6 r 715
2006-04-27 04:52:24 C 15 34 03.32 +35 38 40.4 r 715
2006-04-30 21:37:48 C 15 11 22.69 +30 28 16.5 c A50
2006-04-30 21:40:50 C 15 11 21.94 +30 28 05.8 c A50
2006-04-30 21:42:39 C 15 11 21.50 +30 27 59.8 c A50
2006-04-30 21:44:28 C 15 11 21.07 +30 27 53.5 c A50
2006-04-30 21:45:04 C 15 11 20.88 +30 27 51.2 c A50
2006-04-30 21:47:29 C 15 11 20.29 +30 27 42.8 c A50
2006-05-02 22:36:18 C 15 00 43.53 +27 38 51.5 r 240
2006-05-02 22:39:38 C 15 00 42.85 +27 38 38.9 r 240
2006-05-02 22:42:56 C 15 00 42.20 +27 38 26.9 r 240
2006-05-02 22:44:50 C 15 00 41.74 +27 38 20.4 r 240
2006-05-17 04:56:29 C 14 13 49.23 +10 42 38.0 r 649
2006-05-17 04:59:54 C 14 13 48.92 +10 42 30.2 r 649
2006-05-17 05:03:18 C 14 13 48.61 +10 42 20.9 r 649
2006-05-17 05:06:43 C 14 13 48.37 +10 42 13.4 r 649
2015-04-19 03:58:44 C 08 09 57.93 +63 31 49.0 o 926
2015-04-19 04:09:06 C 08 10 05.51 +63 31 28.0 o 926
2015-04-19 04:19:26 C 08 10 13.04 +63 31 06.9 o 926