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
2018-04-20 01:39:59 C 11 43 14.24 +37 11 17.0 S 033
2018-04-20 01:44:24 C 11 43 14.32 +37 11 00.2 S 033
2018-04-20 01:48:49 C 11 43 14.38 +37 10 43.4 S 033
2018-04-20 01:53:12 C 11 43 14.46 +37 10 26.3 S 033
2018-04-20 01:57:37 C 11 43 14.56 +37 10 09.5 S 033
2018-04-20 02:02:01 C 11 43 14.62 +37 09 52.6 S 033
2018-04-20 03:22:15 C 11 43 19.85 +37 05 17.7 q 734
2018-04-20 03:37:24 C 11 43 20.02 +37 04 21.3 q 734
2018-04-20 03:52:37 C 11 43 20.09 +37 03 23.5 q 734
2018-04-20 04:08:43 C 11 43 21.19 +37 02 29.5 U V06
2018-04-20 04:10:54 C 11 43 21.22 +37 02 20.5 U V06
2018-04-23 03:29:27 C 11 45 05.02 +32 47 11.1 U I52
2018-04-23 03:37:35 C 11 45 05.17 +32 46 43.1 U I52
2018-04-23 03:42:21 C 11 45 05.24 +32 46 26.9 U I52
2018-04-23 03:47:07 C 11 45 05.26 +32 46 10.5 U I52
2018-05-05 02:19:18 C 11 53 58.46 +19 01 21.5 u H21
2018-05-05 02:36:52 C 11 53 58.96 +19 00 39.7 u H21
2018-05-05 02:53:16 C 11 53 59.44 +19 00 00.3 u H21
2018-05-06 06:12:44 C 11 54 58.49 +17 55 39.4 U V06
2018-05-06 06:20:06 C 11 54 58.67 +17 55 22.4 U V06
2018-05-06 06:27:27 C 11 54 58.92 +17 55 05.2 U V06
2018-05-08 02:08:02 C 11 56 39.66 +16 16 23.7 u H21
2018-05-08 02:21:10 C 11 56 40.08 +16 15 54.9 u H21
2018-05-08 02:38:07 C 11 56 40.61 +16 15 18.0 u H21
2018-05-09 05:23:14 C 11 57 42.78 +15 17 24.7 o 291
2018-05-09 05:39:23 C 11 57 43.28 +15 16 50.2 o 291
2018-05-09 05:55:33 C 11 57 43.79 +15 16 15.4 o 291