2018 HE

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3645667318 ± 2.00e+00
Semi-major axis (a)1.7523996723 AU ± 3.00e+00
Inclination (i)24.52487343° ± 4.00e+00
Long. of Asc. Node (Ω)30.22370644° ± 5.00e+00
Arg. of Perihelion (ω)157.80040447° ± 6.00e+00
Mean Anomaly (M)108.02476846° ± 3.11e+00
Mean Motion (n)0.4246361400°/day ± 1.09e+00
Perihelion dist (q)1.11356380 AU ± 3.99e+00
Aphelion dist (Q)2.39251280 AU ± 5.39e+00
Orbital Period2.32106400 yr ± 5.96e+00
Physical Parameters
H (abs. magnitude)23.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.296″
Uncertainty4
Orbit TypeAmor
MOID0.128164 AU
Observations Used34
Oppositions1
Arc Total2018-2018
First Observation Used
Last Observation Used2018-04-21
Observations (34)
Date Type RA Dec Mag Band Observatory
2018-04-16 09:41:38 C 15 00 56.80 -09 34 38.1 U G96
2018-04-16 09:49:07 C 15 00 55.30 -09 35 36.2 U G96
2018-04-16 09:56:33 C 15 00 53.84 -09 36 33.8 U G96
2018-04-16 10:03:59 C 15 00 52.40 -09 37 32.2 U G96
2018-04-16 11:17:16 C 15 00 38.12 -09 47 01.7 U I52
2018-04-16 11:18:07 C 15 00 37.99 -09 47 08.1 U I52
2018-04-16 11:19:50 C 15 00 37.63 -09 47 21.9 U I52
2018-04-16 12:25:03 C 15 00 27.455 -09 55 42.43 U F51
2018-04-16 12:43:00 C 15 00 23.881 -09 58 02.19 U F51
2018-04-16 13:00:59 C 15 00 20.326 -10 00 21.86 U F51
2018-04-16 13:18:57 C 15 00 16.739 -10 02 42.71 U F51
2018-04-16 23:30:18 C 14 58 28.48 -11 22 23.2 U Z84
2018-04-16 23:38:59 C 14 58 26.77 -11 23 31.1 U Z84
2018-04-16 23:47:48 C 14 58 25.03 -11 24 39.8 U Z84
2018-04-17 00:39:57 C 14 58 13.85 -11 31 36.0 S 033
2018-04-17 00:42:12 C 14 58 13.39 -11 31 53.3 S 033
2018-04-17 00:46:41 C 14 58 12.52 -11 32 28.6 S 033
2018-04-17 00:48:55 C 14 58 12.07 -11 32 45.7 S 033
2018-04-17 00:51:09 C 14 58 11.65 -11 33 03.7 S 033
2018-04-17 00:53:24 C 14 58 11.20 -11 33 20.8 S 033
2018-04-17 01:45:14 C 14 58 01.06 -11 40 01.6 U 204
2018-04-17 02:11:23 C 14 57 55.95 -11 43 25.4 U 204
2018-04-17 02:43:48 C 14 57 49.54 -11 47 36.2 U 204
2018-04-17 06:31:09 C 14 57 09.59 -12 17 04.0 u H21
2018-04-17 06:44:54 C 14 57 06.86 -12 18 51.3 u H21
2018-04-17 07:03:24 C 14 57 03.14 -12 21 15.2 u H21
2018-04-18 07:53:59 C 14 52 22.56 -15 33 32.8 U H01
2018-04-18 08:06:46 C 14 52 19.91 -15 35 11.1 U H01
2018-04-18 08:13:44 C 14 52 18.47 -15 36 04.8 U H01
2018-04-18 08:25:14 C 14 52 16.08 -15 37 33.3 U H01
2018-04-21 06:09:18 C 14 38 28.83 -24 16 04.2 U I52
2018-04-21 06:11:41 C 14 38 28.31 -24 16 20.9 U I52
2018-04-21 06:14:04 C 14 38 27.70 -24 16 38.2 U I52
2018-04-21 06:16:28 C 14 38 27.24 -24 16 55.0 U I52