2018 HK

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3787603641 ± 2.26e-07
Semi-major axis (a)1.1753380114 AU ± 2.14e-08
Inclination (i)29.36620397° ± 2.77e-05
Long. of Asc. Node (Ω)208.14528117° ± 1.44e-05
Arg. of Perihelion (ω)232.64710117° ± 4.04e-05
Mean Anomaly (M)82.25769807° ± 5.30e-05
Mean Motion (n)0.7735138663°/day ± 2.11e-08
Perihelion dist (q)0.73016656 AU ± 2.65e-07
Aphelion dist (Q)1.62050946 AU ± 2.67e-07
Orbital Period1.27421928 yr ± 3.48e-08
Physical Parameters
H (abs. magnitude)21.45
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.382″
Uncertainty0
Orbit TypeApollo
MOID0.162221 AU
Observations Used64
Oppositions1
Arc Total2017-2023
First Observation Used2017-08-19
Last Observation Used2023-04-28
Observations (66)
Date Type RA Dec Mag Band Observatory
2017-08-19 06:46:00 C 17 36 45.475 +41 01 57.22 V F51
2017-08-19 07:03:25 C 17 36 44.754 +41 01 41.51 V F51
2017-08-19 07:20:52 C 17 36 44.050 +41 01 25.76 V F51
2018-04-16 10:06:09 C 15 34 43.97 -08 19 08.3 V G96
2018-04-16 10:13:35 C 15 34 43.06 -08 18 48.7 V G96
2018-04-16 10:21:03 C 15 34 42.31 -08 18 26.1 V G96
2018-04-16 10:28:32 C 15 34 41.39 -08 18 06.2 V G96
2018-04-16 12:34:21 C 15 34 27.999 -08 12 14.32 U F51
2018-04-16 12:52:18 C 15 34 25.932 -08 11 24.87 U F51
2018-04-16 13:10:18 C 15 34 23.837 -08 10 34.66 U F51
2018-04-16 13:28:17 C 15 34 21.778 -08 09 45.23 U F51
2018-04-19 03:56:06 C 15 27 29.74 -05 18 06.4 U 807
2018-04-19 04:04:00 C 15 27 28.84 -05 17 44.7 U 807
2018-04-19 04:12:04 C 15 27 27.92 -05 17 22.4 U 807
2018-04-20 02:12:14 C 15 25 00.11 -04 18 30.7 S 033
2018-04-20 02:17:18 C 15 24 59.53 -04 18 16.9 S 033
2018-04-20 02:22:23 C 15 24 58.95 -04 18 03.8 S 033
2018-04-20 02:27:27 C 15 24 58.36 -04 17 50.0 S 033
2018-04-20 02:32:32 C 15 24 57.78 -04 17 36.4 S 033
2018-04-20 07:30:27 C 15 24 25.15 -04 04 15.1 q 734
2018-04-20 07:39:57 C 15 24 24.05 -04 03 49.8 q 734
2018-04-20 07:49:28 C 15 24 22.96 -04 03 24.9 q 734
2018-04-20 09:34:45 C 15 24 10.92 -03 58 40.8 U I52
2018-04-20 09:39:32 C 15 24 10.42 -03 58 27.5 U I52
2018-04-20 09:41:55 C 15 24 10.14 -03 58 21.6 U I52
2018-04-22 09:51:21 C 15 18 48.30 -01 51 41.3 o 691
2018-04-22 09:56:32 C 15 18 47.62 -01 51 28.5 o 691
2018-04-22 10:01:42 C 15 18 47.01 -01 51 15.0 o 691
2018-04-22 11:15:00 C 15 18 38.37 -01 48 04.5 U I52
2018-04-22 11:24:00 C 15 18 37.54 -01 47 42.5 U I52
2018-04-22 11:28:35 C 15 18 37.01 -01 47 29.8 U I52
2018-04-23 08:21:40 C 15 16 18.79 -00 53 58.8 U G96
2018-04-23 08:30:28 C 15 16 17.73 -00 53 36.8 U G96
2018-04-23 08:37:52 C 15 16 16.83 -00 53 17.6 U G96
2018-04-23 08:45:17 C 15 16 15.96 -00 52 58.4 U G96
2018-04-23 11:50:46 C 15 15 54.56 -00 45 07.6 o 291
2018-04-23 11:52:22 C 15 15 54.33 -00 45 02.3 o 291
2018-04-23 11:53:59 C 15 15 54.20 -00 44 59.4 o 291
2018-04-26 07:56:33 C 15 08 26.66 +02 02 01.9 U I52
2018-04-26 08:00:24 C 15 08 26.19 +02 02 10.5 U I52
2018-04-26 08:03:40 C 15 08 25.85 +02 02 18.6 U I52
2018-04-26 08:05:28 C 15 08 25.59 +02 02 21.9 U I52
2018-05-05 07:59:29 C 14 46 22.60 +09 26 48.4 U I52
2018-05-05 08:06:24 C 14 46 21.94 +09 27 00.1 U I52
2018-05-05 08:13:27 C 14 46 21.30 +09 27 13.3 U I52
2018-05-05 08:18:14 C 14 46 20.78 +09 27 20.6 U I52
2018-05-06 07:06:04 C 14 44 14.20 +10 05 54.7 o 711
2018-05-06 07:11:42 C 14 44 13.69 +10 06 04.6 o 711
2018-05-06 07:17:30 C 14 44 13.12 +10 06 13.9 o 711
2018-05-10 08:37:38 C 14 35 46.49 +12 32 50.3 V G96