2018 HL

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2308027000
Semi-major axis (a)1.0461134000 AU
Inclination (i)7.88003000°
Long. of Asc. Node (Ω)60.22119000°
Arg. of Perihelion (ω)26.52820000°
Mean Anomaly (M)124.99208000°
Mean Motion (n)0.9211618500°/day
Perihelion dist (q)0.80466760 AU
Aphelion dist (Q)1.28755920 AU
Orbital Period1.06996150 yr
Physical Parameters
H (abs. magnitude)23.20
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.390″
Uncertainty6
Orbit TypeApollo
MOID0.116907 AU
Observations Used77
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-05-09
Observations (77)
Date Type RA Dec Mag Band Observatory
2018-04-18 05:42:22 C 11 42 19.24 +40 00 38.7 U G96
2018-04-18 05:51:42 C 11 42 19.28 +40 00 03.3 U G96
2018-04-18 06:08:19 C 11 42 19.39 +39 58 57.7 U G96
2018-04-18 06:21:52 C 11 42 19.44 +39 58 03.4 U G96
2018-04-18 07:11:52 C 11 42 19.51 +39 54 42.6 U H01
2018-04-18 07:16:15 C 11 42 19.51 +39 54 25.1 U H01
2018-04-18 07:32:55 C 11 42 19.64 +39 53 18.4 U H01
2018-04-18 07:47:12 C 11 42 19.75 +39 52 21.1 U H01
2018-04-18 08:37:45 C 11 42 20.31 +39 49 00.0 U I52
2018-04-18 08:42:31 C 11 42 20.29 +39 48 41.7 U I52
2018-04-18 08:47:17 C 11 42 20.38 +39 48 22.2 U I52
2018-04-18 20:39:37 C 11 42 38.90 +39 01 57.9 S 033
2018-04-18 20:43:51 C 11 42 38.95 +39 01 41.5 S 033
2018-04-18 20:48:06 C 11 42 38.98 +39 01 25.3 S 033
2018-04-18 20:52:20 C 11 42 39.02 +39 01 08.8 S 033
2018-04-18 20:56:34 C 11 42 39.04 +39 00 52.3 S 033
2018-04-18 21:22:10 C 11 42 39.18 +38 59 18.4 S L01
2018-04-18 21:29:18 C 11 42 39.15 +38 58 51.0 S L01
2018-04-18 21:36:25 C 11 42 39.23 +38 58 22.7 S L01
2018-04-18 21:44:44 C 11 42 39.32 +38 57 50.2 S L01
2018-04-18 22:30:28 C 11 42 39.97 +38 54 52.5 U 204
2018-04-18 23:07:06 C 11 42 40.32 +38 52 29.4 U 204
2018-04-18 23:44:47 C 11 42 40.65 +38 50 02.4 U 204
2018-04-19 00:01:22 C 11 42 40.89 +38 48 52.5 S 033
2018-04-19 00:05:27 C 11 42 40.96 +38 48 36.4 S 033
2018-04-19 00:09:31 C 11 42 41.00 +38 48 20.5 S 033
2018-04-19 00:13:35 C 11 42 41.07 +38 48 04.5 S 033
2018-04-19 00:17:40 C 11 42 41.14 +38 47 48.4 S 033
2018-04-19 00:21:44 C 11 42 41.17 +38 47 32.6 S 033
2018-04-19 02:07:05 C 11 42 42.83 +38 40 38.7 S 033
2018-04-19 02:11:10 C 11 42 42.91 +38 40 22.6 S 033
2018-04-19 02:15:13 C 11 42 42.99 +38 40 07.0 S 033
2018-04-19 02:19:19 C 11 42 43.05 +38 39 50.7 S 033
2018-04-19 02:23:22 C 11 42 43.15 +38 39 35.0 S 033
2018-04-19 02:27:28 C 11 42 43.24 +38 39 18.5 S 033
2018-04-19 02:31:31 C 11 42 43.34 +38 39 02.9 S 033
2018-04-19 02:35:37 C 11 42 43.42 +38 38 46.3 S 033
2018-04-19 06:28:52 C 11 42 50.11 +38 24 24.2 U I52
2018-04-19 06:32:26 C 11 42 50.14 +38 24 10.5 U I52
2018-04-19 06:36:01 C 11 42 50.13 +38 23 56.3 U I52
2018-04-19 06:39:35 C 11 42 50.14 +38 23 42.1 U I52
2018-04-19 07:15:29 C 11 42 51.39 +38 21 11.4 658
2018-04-19 07:23:00 C 11 42 51.40 +38 20 43.2 658
2018-04-19 07:25:09 C 11 42 51.42 +38 20 35.3 658
2018-04-19 19:53:17 C 11 43 09.85 +37 33 11.0 S 033
2018-04-19 19:57:42 C 11 43 09.89 +37 32 54.9 S 033
2018-04-19 20:02:05 C 11 43 09.97 +37 32 38.0 S 033
2018-04-19 21:54:24 C 11 43 11.18 +37 25 41.0 U 104
2018-04-19 22:02:24 C 11 43 11.19 +37 25 10.3 U 104
2018-04-19 22:10:24 C 11 43 11.23 +37 24 40.2 21.0 U 104