2018 HN

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2995876000
Semi-major axis (a)1.2224821000 AU
Inclination (i)9.30437000°
Long. of Asc. Node (Ω)205.05879000°
Arg. of Perihelion (ω)77.56059000°
Mean Anomaly (M)178.79966000°
Mean Motion (n)0.7291893000°/day
Perihelion dist (q)0.85624160 AU
Aphelion dist (Q)1.58872260 AU
Orbital Period1.35164850 yr
Physical Parameters
H (abs. magnitude)24.96
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.780″
Uncertainty6
Orbit TypeApollo
MOID0.020370 AU
Observations Used185
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-04-21
Observations (186)
Date Type RA Dec Mag Band Observatory
2018-04-14 07:56:55 C 13 23 08.05 -13 02 49.8 V 703
2018-04-14 08:12:08 C 13 23 09.88 -13 01 03.8 V 703
2018-04-18 08:14:22 C 13 49 38.34 +06 07 08.1 U 703
2018-04-18 08:29:36 C 13 49 44.04 +06 12 05.2 U 703
2018-04-18 08:37:14 C 13 49 46.94 +06 14 33.6 U 703
2018-04-18 09:22:08 C 13 50 03.33 +06 29 03.5 U H01
2018-04-18 09:27:07 C 13 50 05.28 +06 30 41.3 U H01
2018-04-18 09:44:36 C 13 50 12.18 +06 36 25.2 U H01
2018-04-18 09:54:50 C 13 50 16.25 +06 39 46.9 U H01
2018-04-18 09:59:34 C 13 50 18.80 +06 41 29.0 U I52
2018-04-18 09:59:44 C 13 50 18.87 +06 41 32.9 U I52
2018-04-18 09:59:55 C 13 50 18.97 +06 41 35.7 U I52
2018-04-18 10:00:07 C 13 50 19.03 +06 41 40.3 U I52
2018-04-18 13:34:33 C 13 52 17.21 +07 53 52.8 q 900
2018-04-18 13:40:26 C 13 52 19.69 +07 55 54.4 q 900
2018-04-18 13:46:18 C 13 52 22.00 +07 57 56.8 q 900
2018-04-18 13:51:52 C 13 52 25.06 +07 59 52.7 r P93
2018-04-18 13:52:14 C 13 52 24.50 +07 59 59.6 q 900
2018-04-18 13:54:11 C 13 52 26.00 +08 00 41.1 r P93
2018-04-18 13:56:30 C 13 52 26.97 +08 01 29.5 r P93
2018-04-18 13:57:41 C 13 52 22.25 +08 07 49.1 q E23
2018-04-18 14:41:50 C 13 52 40.17 +08 23 10.1 q E23
2018-04-18 14:52:40 C 13 52 44.66 +08 26 57.1 q E23
2018-04-18 15:03:29 C 13 52 49.14 +08 30 43.7 q E23
2018-04-18 19:16:41 C 13 55 14.04 +09 54 13.5 q 246
2018-04-18 19:17:07 C 13 55 14.33 +09 54 23.1 q 246
2018-04-18 19:17:17 C 13 55 14.40 +09 54 28.3 q 246
2018-04-18 19:17:28 C 13 55 14.53 +09 54 31.8 q 246
2018-04-18 19:17:37 C 13 55 14.54 +09 54 34.6 q 246
2018-04-18 19:17:48 C 13 55 14.65 +09 54 38.1 q 246
2018-04-18 19:17:57 C 13 55 14.76 +09 54 42.7 q 246
2018-04-18 19:18:42 C 13 55 15.11 +09 54 59.6 q 246
2018-04-18 19:23:25 C 13 55 16.38 +09 56 56.4 t L04
2018-04-18 19:29:47 C 13 55 19.41 +09 59 17.7 t L04
2018-04-18 19:38:56 C 13 55 25.57 +10 02 21.4 q A17
2018-04-18 19:39:12 C 13 55 23.87 +10 02 47.1 t L04
2018-04-18 19:41:17 C 13 55 27.73 +10 03 38.7 18.0 U 104
2018-04-18 19:42:43 C 13 55 26.68 +10 03 43.1 S 033
2018-04-18 19:42:52 C 13 55 27.90 +10 04 05.7 U K51
2018-04-18 19:44:21 C 13 55 27.47 +10 04 19.3 S 033
2018-04-18 19:44:49 C 13 55 28.17 +10 04 31.8 U K74
2018-04-18 19:45:02 C 13 55 28.97 +10 04 54.3 U K51
2018-04-18 19:45:50 C 13 55 28.95 +10 04 55.6 q A17
2018-04-18 19:45:59 C 13 55 28.27 +10 04 55.7 S 033
2018-04-18 19:47:13 C 13 55 30.02 +10 05 42.5 U K51
2018-04-18 19:47:45 C 13 55 29.13 +10 05 34.7 S 033
2018-04-18 19:48:56 C 13 55 28.51 +10 06 23.7 t L04
2018-04-18 19:50:36 C 13 55 31.29 +10 06 41.3 q A17
2018-04-18 19:50:51 C 13 55 31.13 +10 06 46.7 U K74
2018-04-18 19:50:58 C 13 55 30.45 +10 06 46.3 U G34