2018 HE2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3752730000
Semi-major axis (a)1.5006709000 AU
Inclination (i)2.15150000°
Long. of Asc. Node (Ω)205.44597000°
Arg. of Perihelion (ω)323.45915000°
Mean Anomaly (M)64.05368000°
Mean Motion (n)0.5361371200°/day
Perihelion dist (q)0.93750960 AU
Aphelion dist (Q)2.06383220 AU
Orbital Period1.83835000 yr
Physical Parameters
H (abs. magnitude)27.90
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.340″
Uncertainty6
Orbit TypeApollo
MOID0.002905 AU
Observations Used34
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-04-26
Observations (34)
Date Type RA Dec Mag Band Observatory
2018-04-23 08:20:09 C 15 23 55.63 +07 30 00.6 U 703
2018-04-23 08:27:48 C 15 23 59.72 +07 27 50.5 U 703
2018-04-23 08:35:29 C 15 24 03.91 +07 25 40.8 U 703
2018-04-23 08:43:09 C 15 24 08.11 +07 23 31.8 U 703
2018-04-23 09:45:23 C 15 24 41.14 +07 06 20.8 U I52
2018-04-23 09:46:40 C 15 24 41.88 +07 05 59.5 U I52
2018-04-23 09:47:57 C 15 24 42.47 +07 05 38.5 U I52
2018-04-23 09:49:15 C 15 24 43.19 +07 05 17.4 U I52
2018-04-23 10:15:48 C 15 24 55.11 +06 57 45.9 U H01
2018-04-23 10:25:59 C 15 25 00.58 +06 55 01.1 U H01
2018-04-23 10:37:07 C 15 25 06.56 +06 52 02.4 U H01
2018-04-23 10:45:08 C 15 25 10.88 +06 49 53.9 U H01
2018-04-23 11:07:06 C 15 25 24.42 +06 44 24.6 U I52
2018-04-23 11:08:24 C 15 25 25.10 +06 44 03.9 U I52
2018-04-23 11:09:42 C 15 25 25.79 +06 43 43.4 U I52
2018-04-23 11:10:58 C 15 25 26.48 +06 43 23.0 U I52
2018-04-24 07:00:58 C 15 36 28.34 +02 40 43.3 U I52
2018-04-24 07:02:09 C 15 36 28.65 +02 40 31.2 U I52
2018-04-24 07:02:45 C 15 36 28.84 +02 40 25.8 U I52
2018-04-24 07:40:28 C 15 36 30.75 +02 33 36.4 q 734
2018-04-24 07:45:34 C 15 36 32.08 +02 32 48.9 q 734
2018-04-24 07:50:43 C 15 36 33.48 +02 32 00.6 q 734
2018-04-24 07:55:50 C 15 36 34.87 +02 31 12.1 q 734
2018-04-25 08:00:34 C 15 44 10.48 -00 25 50.2 U I52
2018-04-25 08:01:57 C 15 44 10.66 -00 25 58.5 U I52
2018-04-25 08:03:20 C 15 44 10.86 -00 26 06.6 U I52
2018-04-25 08:04:43 C 15 44 11.01 -00 26 14.3 U I52
2018-04-25 08:18:34 C 15 44 03.46 -00 28 18.5 u H21
2018-04-25 08:24:54 C 15 44 04.38 -00 28 55.2 u H21
2018-04-25 08:34:36 C 15 44 05.78 -00 29 50.6 u H21
2018-04-26 07:40:44 C 15 48 54.36 -02 19 59.3 U H01
2018-04-26 07:46:02 C 15 48 54.77 -02 20 20.1 U H01
2018-04-26 08:05:26 C 15 48 56.25 -02 21 37.5 U H01
2018-04-26 08:14:51 C 15 48 56.96 -02 22 14.8 U H01