2018 HD2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1284486583
Semi-major axis (a)1.3076910571 AU
Inclination (i)26.82746845°
Long. of Asc. Node (Ω)36.20214473°
Arg. of Perihelion (ω)174.93252214°
Mean Anomaly (M)26.17101221°
Mean Motion (n)0.6591066300°/day
Perihelion dist (q)1.13971660 AU
Aphelion dist (Q)1.47562800 AU
Orbital Period1.49536900 yr
Physical Parameters
H (abs. magnitude)24.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.396″
Uncertainty
Orbit TypeAmor
MOID0.133427 AU
Observations Used34
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-05-12
Observations (34)
Date Type RA Dec Mag Band Observatory
2018-04-23 07:56:36 C 14 42 23.50 -04 21 59.7 U G96
2018-04-23 08:04:02 C 14 42 21.35 -04 22 50.6 U G96
2018-04-23 08:11:28 C 14 42 19.12 -04 23 42.5 U G96
2018-04-23 08:18:53 C 14 42 16.93 -04 24 33.7 U G96
2018-04-23 08:38:23 C 14 42 11.16 -04 26 47.5 U I52
2018-04-23 08:40:46 C 14 42 10.44 -04 27 03.9 U I52
2018-04-23 08:43:09 C 14 42 09.77 -04 27 20.3 U I52
2018-04-23 08:45:32 C 14 42 09.07 -04 27 36.3 U I52
2018-04-23 09:07:15 C 14 42 02.45 -04 30 07.4 U H01
2018-04-23 09:17:59 C 14 41 59.30 -04 31 21.2 U H01
2018-04-23 09:27:06 C 14 41 56.61 -04 32 23.8 U H01
2018-04-23 09:37:07 C 14 41 53.66 -04 33 32.7 U H01
2018-04-23 10:21:14 C 14 41 40.82 -04 38 34.9 U I52
2018-04-23 10:23:38 C 14 41 40.14 -04 38 51.2 U I52
2018-04-23 10:26:01 C 14 41 39.43 -04 39 08.5 U I52
2018-04-23 11:30:40 C 14 41 20.61 -04 46 32.6 U I52
2018-04-23 11:33:03 C 14 41 19.84 -04 46 49.7 U I52
2018-04-23 11:35:26 C 14 41 19.14 -04 47 05.9 U I52
2018-04-23 11:37:49 C 14 41 18.47 -04 47 21.6 U I52
2018-04-24 07:39:54 C 14 35 38.09 -07 07 09.5 U H01
2018-04-24 07:45:58 C 14 35 36.25 -07 07 52.4 U H01
2018-04-24 08:03:28 C 14 35 30.89 -07 09 55.5 U H01
2018-04-24 08:09:23 C 14 35 29.06 -07 10 37.2 U H01
2018-04-26 06:35:14 C 14 21 36.02 -12 41 46.3 U H01
2018-04-26 06:40:29 C 14 21 34.37 -12 42 24.1 U H01
2018-04-26 07:04:31 C 14 21 26.53 -12 45 17.3 U H01
2018-04-26 07:09:47 C 14 21 24.83 -12 45 55.0 U H01
2018-04-26 07:25:58 C 14 21 19.71 -12 47 49.3 U I52
2018-04-26 07:27:21 C 14 21 19.25 -12 47 59.4 U I52
2018-04-26 07:28:44 C 14 21 18.81 -12 48 09.3 U I52
2018-04-26 07:30:07 C 14 21 18.42 -12 48 19.5 U I52
2018-05-12 05:22:59 C 12 17 04.23 -46 18 02.8 U 807
2018-05-12 05:36:16 C 12 17 00.32 -46 18 38.4 U 807
2018-05-12 05:48:45 C 12 16 56.57 -46 19 10.8 U 807