2018 HL2

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4679007243 ± 9.90e-08
Semi-major axis (a)1.6710446922 AU ± 2.31e-07
Inclination (i)33.44931940° ± 2.71e-05
Long. of Asc. Node (Ω)45.89299761° ± 8.21e-06
Arg. of Perihelion (ω)233.19447301° ± 1.55e-05
Mean Anomaly (M)155.18478644° ± 2.58e-04
Mean Motion (n)0.4562786818°/day ± 9.46e-08
Perihelion dist (q)0.88916167 AU ± 2.06e-07
Aphelion dist (Q)2.45292771 AU ± 3.77e-07
Orbital Period2.16014099 yr ± 4.48e-07
Physical Parameters
H (abs. magnitude)21.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.309″
Uncertainty0
Orbit TypeApollo
MOID0.008744 AU
Observations Used89
Oppositions1
Arc Total2018-2020
First Observation Used2018-04-26
Last Observation Used2020-03-16
Observations (92)
Date Type RA Dec Mag Band Observatory
2018-04-26 08:25:17 C 13 41 21.30 +49 17 32.4 U G96
2018-04-26 08:37:03 C 13 41 16.59 +49 17 23.6 U G96
2018-04-26 08:44:41 C 13 41 13.56 +49 17 17.8 U G96
2018-04-26 08:52:19 C 13 41 10.49 +49 17 12.5 U G96
2018-04-26 09:35:06 C 13 40 53.26 +49 16 38.3 U H01
2018-04-26 09:41:15 C 13 40 50.80 +49 16 33.6 U H01
2018-04-26 09:56:19 C 13 40 44.78 +49 16 22.0 U H01
2018-04-26 10:11:14 C 13 40 38.84 +49 16 10.3 U H01
2018-04-26 10:32:06 C 13 40 30.58 +49 15 55.9 U I52
2018-04-26 10:33:11 C 13 40 30.21 +49 15 55.0 U I52
2018-04-26 10:34:17 C 13 40 29.70 +49 15 54.0 U I52
2018-04-26 10:35:23 C 13 40 29.30 +49 15 53.5 U I52
2018-04-26 19:22:18 C 13 37 06.02 +49 09 19.5 S L01
2018-04-26 19:44:44 C 13 36 56.82 +49 09 04.0 S L01
2018-04-26 19:57:33 C 13 36 51.62 +49 08 54.2 S L01
2018-04-26 20:05:48 C 13 36 48.20 +49 08 48.0 S L01
2018-04-26 20:17:38 C 13 36 43.70 +49 08 39.0 q C95
2018-04-26 21:00:34 C 13 36 26.09 +49 08 06.8 q C95
2018-04-26 21:43:29 C 13 36 08.18 +49 07 33.5 q C95
2018-04-27 09:01:52 C 13 31 27.96 +48 57 53.0 U G96
2018-04-27 09:03:10 C 13 31 27.53 +48 57 51.0 U G96
2018-04-27 09:04:30 C 13 31 26.86 +48 57 49.2 U G96
2018-04-27 09:05:49 C 13 31 26.39 +48 57 47.1 U G96
2018-04-27 09:22:23 C 13 31 19.28 +48 57 31.5 U I52
2018-04-27 09:22:58 C 13 31 19.06 +48 57 31.2 U I52
2018-04-27 09:23:34 C 13 31 18.79 +48 57 30.6 U I52
2018-04-27 09:24:10 C 13 31 18.57 +48 57 29.8 U I52
2018-04-27 19:27:33 C 13 27 08.57 +48 47 30.9 S L01
2018-04-27 19:35:12 C 13 27 05.23 +48 47 23.3 S L01
2018-04-28 20:46:42 C 13 15 56.81 +48 17 27.8 q 595
2018-04-28 20:52:22 C 13 15 54.11 +48 17 20.6 q 595
2018-04-28 20:58:24 C 13 15 51.27 +48 17 11.4 q 595
2018-04-29 05:11:13 C 13 12 04.21 +48 05 48.2 o 695
2018-04-29 05:14:27 C 13 12 02.67 +48 05 43.5 o 695
2018-04-29 05:17:40 C 13 12 01.11 +48 05 38.9 o 695
2018-05-05 04:35:30 C 11 54 06.77 +41 20 37.0 U I52
2018-05-05 04:35:45 C 11 54 06.59 +41 20 35.7 U I52
2018-05-05 04:36:02 C 11 54 06.43 +41 20 34.7 U I52
2018-05-05 04:36:17 C 11 54 06.30 +41 20 33.0 U I52
2018-05-05 04:38:50 C 11 54 04.65 +41 20 21.4 U I52
2018-05-05 04:39:06 C 11 54 04.50 +41 20 20.4 U I52
2018-05-05 04:39:22 C 11 54 04.33 +41 20 19.0 U I52
2018-05-05 04:39:38 C 11 54 04.15 +41 20 18.0 U I52
2018-05-05 05:18:51 C 11 53 39.54 +41 17 17.8 U G96
2018-05-05 05:26:25 C 11 53 34.84 +41 16 42.8 U G96
2018-05-05 05:35:48 C 11 53 28.91 +41 15 59.5 U G96
2018-05-05 05:45:20 C 11 53 22.94 +41 15 15.1 U G96
2018-05-06 04:50:36 C 11 39 09.98 +39 21 01.9 U G96
2018-05-06 04:58:02 C 11 39 05.24 +39 20 21.9 U G96
2018-05-06 05:05:27 C 11 39 00.46 +39 19 42.2 U G96