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
2018-05-06 05:12:52 C 11 38 55.73 +39 19 02.7 U G96
2018-05-06 05:52:15 C 11 38 30.36 +39 15 30.3 U 703
2018-05-06 05:59:56 C 11 38 25.61 +39 14 49.2 U 703
2018-05-06 06:15:19 C 11 38 15.71 +39 13 26.1 U 703
2018-05-07 22:58:59 C 11 12 37.62 +35 08 03.5 q K61
2018-05-07 23:00:17 C 11 12 36.79 +35 07 54.9 q K61
2018-05-07 23:02:02 C 11 12 35.69 +35 07 43.2 q K61
2018-05-08 03:45:52 C 11 09 38.37 +34 36 10.8 U I52
2018-05-08 03:51:22 C 11 09 34.80 +34 35 33.3 U I52
2018-05-08 03:51:38 C 11 09 34.61 +34 35 31.5 U I52
2018-05-08 03:51:53 C 11 09 34.45 +34 35 29.1 U I52
2018-05-08 04:00:10 C 11 09 28.55 +34 34 34.4 o 711
2018-05-08 04:03:49 C 11 09 26.16 +34 34 09.2 o 711
2018-05-08 04:07:26 C 11 09 23.80 +34 33 44.2 o 711
2018-05-09 05:53:45 C 10 53 03.67 +31 25 51.3 U I52
2018-05-09 05:54:01 C 10 53 03.45 +31 25 49.6 U I52
2018-05-09 05:54:16 C 10 53 03.27 +31 25 47.2 U I52
2018-05-09 05:54:33 C 10 53 03.16 +31 25 44.8 U I52
2018-05-10 05:01:48 C 10 38 32.53 +28 19 22.2 U 703
2018-05-10 05:10:04 C 10 38 27.21 +28 18 11.6 U 703
2018-05-10 05:26:38 C 10 38 16.66 +28 15 51.3 U 703
2018-05-10 06:11:15 C 10 37 48.27 +28 09 31.5 U I52
2018-05-10 06:21:42 C 10 37 41.65 +28 08 02.3 U I52
2018-05-12 05:40:17 C 10 08 48.16 +20 59 48.5 U I52
2018-05-12 05:40:33 C 10 08 48.03 +20 59 46.2 U I52
2018-05-14 03:57:10 C 09 42 08.83 +13 23 56.5 U I52
2018-05-14 03:58:58 C 09 42 07.82 +13 23 38.6 U I52
2018-05-14 04:00:46 C 09 42 06.80 +13 23 20.9 U I52
2018-05-16 03:41:25 C 09 16 45.00 +05 29 31.4 o 691
2018-05-16 03:45:34 C 09 16 42.81 +05 28 51.2 o 691
2018-10-07 08:59:13 C 03 45 59.75 -15 45 34.0 U 807
2018-10-07 09:02:39 C 03 45 59.24 -15 45 30.9 U 807
2018-10-07 09:08:07 C 03 45 58.44 -15 45 26.0 U 807
2018-10-10 08:20:01 C 03 35 42.58 -14 39 10.8 V V06
2018-10-10 08:28:19 C 03 35 41.38 -14 39 01.9 V V06
2018-10-10 08:36:36 C 03 35 40.09 -14 38 54.6 V V06
2018-10-10 08:44:54 C 03 35 38.83 -14 38 46.9 V V06
2018-10-17 06:05:19 C 03 10 35.45 -11 44 48.6 u H21
2018-10-17 06:21:40 C 03 10 32.86 -11 44 30.1 u H21
2018-10-17 06:37:42 C 03 10 30.37 -11 44 12.4 u H21
2020-03-16 07:59:06 C 11 03 16.80 +68 21 25.9 o 695
2020-03-16 08:41:04 C 11 03 09.65 +68 21 16.0 o 695