2018 HL1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3627556000
Semi-major axis (a)1.0958500000 AU
Inclination (i)19.30488000°
Long. of Asc. Node (Ω)32.59762000°
Arg. of Perihelion (ω)78.95456000°
Mean Anomaly (M)277.58413000°
Mean Motion (n)0.8591665900°/day
Perihelion dist (q)0.69832430 AU
Aphelion dist (Q)1.49337570 AU
Orbital Period1.14716710 yr
Physical Parameters
H (abs. magnitude)23.90
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.550″
Uncertainty4
Orbit TypeApollo
MOID0.011317 AU
Observations Used53
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-05-09
Observations (59)
Date Type RA Dec Mag Band Observatory
2018-04-21 08:10:03 C 16 00 20.88 +37 07 24.7 U I41
2018-04-21 08:10:33 C 16 00 18.01 +37 06 48.8 U I41
2018-04-21 08:25:45 C 15 58 54.18 +36 48 29.6 U I41
2018-04-21 08:26:14 C 15 58 51.33 +36 47 53.2 U I41
2018-04-21 09:26:43 C 15 53 21.09 +35 33 39.4 U I41
2018-04-21 09:27:13 C 15 53 18.40 +35 33 02.5 U I41
2018-04-21 09:28:12 C 15 53 13.09 +35 31 48.4 U I41
2018-04-21 09:28:42 C 15 53 10.36 +35 31 11.9 U I41
2018-04-21 09:29:34 C 15 53 05.76 +35 30 07.4 U I41
2018-04-21 09:30:04 C 15 53 03.03 +35 29 29.9 U I41
2018-04-23 13:20:34 C 13 29 23.91 -15 21 34.4 m Q66
2018-04-23 13:23:26 C 13 29 19.80 -15 22 59.0 m Q66
2018-04-23 13:24:35 C 13 29 18.29 -15 23 31.3 m Q66
2018-04-23 13:26:02 C 13 29 16.18 -15 24 14.1 m Q66
2018-04-23 13:28:03 C 13 29 13.33 -15 25 11.0 m Q66
2018-04-23 13:29:11 C 13 29 11.70 -15 25 44.9 m Q66
2018-04-24 06:14:44 C 13 11 00.88 -22 00 18.3 U 703
2018-04-24 06:22:27 C 13 10 53.17 -22 02 40.3 U 703
2018-04-24 06:30:11 C 13 10 45.47 -22 05 00.5 U 703
2018-04-24 06:37:54 C 13 10 37.80 -22 07 22.4 U 703
2018-04-24 07:24:11 C 13 09 51.14 -22 21 15.4 U H01
2018-04-24 07:32:58 C 13 09 42.63 -22 23 50.2 U H01
2018-04-24 07:48:42 C 13 09 27.46 -22 28 26.1 U H01
2018-04-24 07:54:05 C 13 09 22.30 -22 29 59.9 U H01
2018-04-24 08:22:18 C 13 08 56.41 -22 38 05.5 U I52
2018-04-24 08:22:35 C 13 08 56.13 -22 38 10.4 U I52
2018-04-24 08:22:50 C 13 08 55.89 -22 38 14.8 U I52
2018-04-24 08:23:06 C 13 08 55.64 -22 38 19.2 U I52
2018-04-24 08:56:18 C 13 08 23.74 -22 47 45.4 U H01
2018-04-24 09:01:10 C 13 08 19.26 -22 49 06.9 U H01
2018-04-24 09:13:15 C 13 08 08.16 -22 52 29.6 U H01
2018-04-24 09:26:53 C 13 07 55.75 -22 56 16.4 U H01
2018-04-24 10:27:40 C 13 07 31.76 -23 07 55.7 q E23
2018-04-24 10:31:41 C 13 07 28.13 -23 09 03.4 q E23
2018-04-24 10:35:41 C 13 07 24.49 -23 10 10.8 q E23
2018-04-24 10:49:09 C 13 07 12.28 -23 13 56.8 q E23
2018-04-24 10:53:10 C 13 07 08.67 -23 15 03.8 q E23
2018-04-24 10:57:10 C 13 07 05.04 -23 16 10.4 q E23
2018-04-24 21:17:32 C 12 59 11.49 -25 52 19.3 q 595
2018-04-24 21:22:28 C 12 59 07.78 -25 53 23.1 q 595
2018-04-24 21:27:25 C 12 59 04.10 -25 54 26.8 q 595
2018-04-24 22:56:00 C 12 57 59.88 -26 13 00.9 V 204
2018-04-24 23:03:25 C 12 57 54.50 -26 14 32.5 V 204
2018-04-24 23:10:50 C 12 57 49.11 -26 16 03.0 V 204
2018-04-25 04:40:04 C 12 54 31.68 -27 19 20.0 U I52
2018-04-25 04:40:16 C 12 54 31.55 -27 19 21.7 U I52
2018-04-25 04:40:26 C 12 54 31.42 -27 19 23.8 U I52
2018-04-25 04:40:37 C 12 54 31.33 -27 19 26.3 U I52
2018-04-26 04:14:11 C 12 42 42.97 -30 46 01.9 U I52
2018-04-26 04:14:21 C 12 42 42.89 -30 46 03.0 U I52