IAA RAS IAA Minor Planet Database

2018 HB1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3658357000
Semi-major axis (a)1.5184521000 AU
Inclination (i)8.03739000°
Long. of Asc. Node (Ω)41.53778000°
Arg. of Perihelion (ω)219.91881000°
Mean Anomaly (M)356.08619000°
Mean Motion (n)0.5267474200°/day
Perihelion dist (q)0.96294810 AU
Aphelion dist (Q)2.07395610 AU
Orbital Period1.87112000 yr
Physical Parameters
H (abs. magnitude)24.90
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.490″
Uncertainty5
Orbit TypeApollo
MOID0.011060 AU
Observations Used46
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2018-04-27
Observations (46)
Date Type RA Dec Mag Band Observatory
2018-04-20 10:14:12 C 14 56 38.50 +08 20 27.0 – U G96
2018-04-20 10:21:36 C 14 56 39.82 +08 20 09.7 – U G96
2018-04-20 10:28:58 C 14 56 41.23 +08 19 52.1 – U G96
2018-04-20 10:36:20 C 14 56 42.57 +08 19 33.5 – U G96
2018-04-20 11:22:50 C 14 56 51.30 +08 17 40.9 – U I52
2018-04-20 11:29:26 C 14 56 52.57 +08 17 23.9 – U I52
2018-04-20 11:31:24 C 14 56 52.98 +08 17 19.4 – U G96
2018-04-20 11:32:43 C 14 56 53.23 +08 17 16.1 – U I52
2018-04-20 11:33:38 C 14 56 53.41 +08 17 14.8 – U G96
2018-04-20 11:35:45 C 14 56 53.75 +08 17 10.2 – U G96
2018-04-20 11:37:47 C 14 56 54.12 +08 17 04.9 – U G96
2018-04-20 20:59:17 C 14 59 06.82 +07 53 28.8 20.8 U B04
2018-04-20 21:11:04 C 14 59 09.26 +07 53 00.0 20.0 U B04
2018-04-20 21:21:30 C 14 59 11.43 +07 52 33.7 20.6 U B04
2018-04-20 21:35:50 C 14 59 14.38 +07 51 57.3 20.3 U B04
2018-04-20 22:33:48 C 14 59 27.06 +07 49 31.7 – q I93
2018-04-20 22:52:00 C 14 59 30.72 +07 48 45.2 – q I93
2018-04-20 22:52:03 C 14 59 29.24 +07 48 36.8 – q K61
2018-04-20 22:53:24 C 14 59 29.50 +07 48 32.4 – q K61
2018-04-20 23:11:12 C 14 59 34.65 +07 47 55.8 – q I93
2018-04-21 00:18:06 C 14 59 46.70 +07 45 01.2 – S L01
2018-04-21 00:29:45 C 14 59 49.01 +07 44 30.6 – S L01
2018-04-21 00:35:54 C 14 59 50.29 +07 44 15.4 – S L01
2018-04-21 00:45:25 C 14 59 52.27 +07 43 50.5 – S L01
2018-04-21 06:23:09 C 15 01 15.58 +07 29 09.7 – U I52
2018-04-21 06:29:40 C 15 01 16.94 +07 28 52.4 – U I52
2018-04-21 06:31:28 C 15 01 17.36 +07 28 47.3 – U I52
2018-04-21 23:25:13 C 15 05 27.54 +06 39 26.2 20.0 U 104
2018-04-21 23:33:14 C 15 05 29.39 +06 39 01.9 19.9 U 104
2018-04-21 23:41:15 C 15 05 31.28 +06 38 37.6 20.1 U 104
2018-04-22 07:22:37 C 15 07 36.10 +06 14 38.5 – U I52
2018-04-22 07:23:48 C 15 07 36.42 +06 14 35.5 – U I52
2018-04-24 08:34:41 C 15 23 29.75 +03 00 49.9 – U I52
2018-04-24 08:35:02 C 15 23 29.86 +03 00 48.7 – U I52
2018-04-24 08:35:23 C 15 23 30.03 +03 00 47.6 – U I52
2018-04-24 08:35:44 C 15 23 30.10 +03 00 44.9 – U I52
2018-04-26 07:22:52 C 15 44 57.90 -01 28 17.1 – o 691
2018-04-26 07:52:31 C 15 45 12.82 -01 31 43.9 – o 691
2018-04-26 08:21:43 C 15 45 27.17 -01 35 08.3 – U I52
2018-04-26 08:22:18 C 15 45 27.46 -01 35 12.7 – U I52
2018-04-26 08:22:55 C 15 45 27.75 -01 35 16.8 – U I52
2018-04-26 08:23:30 C 15 45 28.00 -01 35 21.0 – U I52
2018-04-27 10:52:43 C 16 01 42.24 -05 02 38.0 – U I52
2018-04-27 10:52:59 C 16 01 42.40 -05 02 40.6 – U I52
2018-04-27 10:53:15 C 16 01 42.59 -05 02 43.2 – U I52
2018-04-27 10:53:30 C 16 01 42.77 -05 02 45.0 – U I52