2018 HM

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0796119000
Semi-major axis (a)1.0292812000 AU
Inclination (i)17.56799000°
Long. of Asc. Node (Ω)205.56857000°
Arg. of Perihelion (ω)278.38429000°
Mean Anomaly (M)172.83088000°
Mean Motion (n)0.9438500300°/day
Perihelion dist (q)0.94733820 AU
Aphelion dist (Q)1.11122420 AU
Orbital Period1.04424180 yr
Physical Parameters
H (abs. magnitude)27.30
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.570″
Uncertainty6
Orbit TypeApollo
MOID0.007191 AU
Observations Used28
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-04-20
Observations (31)
Date Type RA Dec Mag Band Observatory
2018-04-18 07:44:55 C 14 14 11.37 +40 39 59.1 U G96
2018-04-18 07:55:02 C 14 14 16.29 +40 43 21.4 U G96
2018-04-18 08:11:27 C 14 14 24.23 +40 48 53.0 U G96
2018-04-18 08:32:14 C 14 14 32.03 +40 55 30.4 U H01
2018-04-18 08:42:16 C 14 14 36.94 +40 58 47.7 U H01
2018-04-18 08:52:09 C 14 14 41.82 +41 02 00.7 U H01
2018-04-18 09:02:53 C 14 14 47.11 +41 05 29.0 U H01
2018-04-18 10:00:56 C 14 15 17.92 +41 24 10.3 U I52
2018-04-18 10:02:31 C 14 15 18.64 +41 24 39.9 U I52
2018-04-18 10:04:06 C 14 15 19.49 +41 25 09.5 U I52
2018-04-18 10:05:41 C 14 15 20.25 +41 25 38.0 U I52
2018-04-18 21:54:20 C 14 22 55.11 +44 41 57.3 S L01
2018-04-18 21:56:56 C 14 22 56.21 +44 42 35.7 S L01
2018-04-18 22:02:11 C 14 22 58.54 +44 43 52.8 S L01
2018-04-18 22:04:50 C 14 22 59.57 +44 44 32.1 S L01
2018-04-19 01:47:22 C 14 24 32.02 +45 35 56.8 U 204
2018-04-19 02:11:02 C 14 24 41.64 +45 41 00.3 U 204
2018-04-19 02:42:12 C 14 24 54.44 +45 47 32.8 U 204
2018-04-19 03:06:23 C 14 25 04.63 +45 52 32.2 U 204
2018-04-19 05:08:26 C 14 26 51.18 +46 19 54.2 U I52
2018-04-19 05:10:32 C 14 26 52.02 +46 20 21.8 U I52
2018-04-19 05:12:36 C 14 26 52.73 +46 20 48.8 U I52
2018-04-19 05:14:41 C 14 26 53.61 +46 21 16.5 U I52
2018-04-19 22:02:30 C 14 34 11.66 +49 16 25.0 S L01
2018-04-19 22:10:47 C 14 34 14.15 +49 17 41.7 S L01
2018-04-19 22:19:23 C 14 34 16.71 +49 19 01.6 S L01
2018-04-20 05:29:11 C 14 37 03.93 +50 18 43.0 q 734
2018-04-20 05:38:54 C 14 37 06.45 +50 20 02.6 q 734
2018-04-20 05:57:19 C 14 37 11.02 +50 22 28.9 q 734
2018-04-20 07:14:56 C 14 37 38.06 +50 32 58.9 U I52
2018-04-20 07:22:41 C 14 37 39.70 +50 33 57.9 U I52