IAA RAS IAA Minor Planet Database

2018 NH

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5185945396
Semi-major axis (a)1.8903422971 AU
Inclination (i)35.62846516°
Long. of Asc. Node (Ω)280.63566845° ± 5.00e+00
Arg. of Perihelion (ω)313.13664915°
Mean Anomaly (M)317.24386069°
Mean Motion (n)0.3792086600°/day
Perihelion dist (q)0.91002130 AU
Aphelion dist (Q)2.87075110 AU
Orbital Period2.59911690 yr
Physical Parameters
H (abs. magnitude)24.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.328″
Uncertainty—
Orbit TypeApollo
MOID0.001916 AU
Observations Used87
Oppositions1
Arc Total2018-2018
First Observation Used—
Last Observation Used2018-07-17
Observations (88)
Date Type RA Dec Mag Band Observatory
2018-07-04 07:24:16 C 18 48 06.48 +39 25 18.9 – U G96
2018-07-04 07:32:00 C 18 47 57.19 +39 25 41.8 – U G96
2018-07-04 07:39:43 C 18 47 47.94 +39 26 04.6 – U G96
2018-07-04 07:47:28 C 18 47 38.73 +39 26 26.6 – U G96
2018-07-04 09:21:51 C 18 45 51.96 +39 30 21.9 – U I52
2018-07-04 09:22:26 C 18 45 51.34 +39 30 22.7 – U I52
2018-07-04 09:22:58 C 18 45 50.76 +39 30 24.2 – U I52
2018-07-04 09:23:32 C 18 45 50.13 +39 30 25.3 – U I52
2018-07-04 09:24:14 C 18 45 49.40 +39 30 26.7 – U G96
2018-07-04 09:34:17 C 18 45 38.71 +39 30 48.2 – U G96
2018-07-04 09:34:24 C 18 45 38.51 +39 30 48.9 – U G96
2018-07-04 09:34:35 C 18 45 38.37 +39 30 49.0 – U G96
2018-07-04 09:37:59 C 18 45 34.72 +39 30 56.2 – U G96
2018-07-04 09:38:14 C 18 45 34.46 +39 30 56.7 – U G96
2018-07-04 09:38:29 C 18 45 34.18 +39 30 57.1 – U G96
2018-07-04 09:38:45 C 18 45 33.92 +39 30 57.9 – U G96
2018-07-04 12:06:19 C 18 43 23.516 +39 38 26.60 – V F51
2018-07-04 12:55:54 C 18 42 36.611 +39 39 48.17 – V F51
2018-07-04 20:19:09 C 18 37 55.89 +39 50 50.5 18.9 U 104
2018-07-04 20:24:57 C 18 37 51.95 +39 51 01.7 18.7 U 104
2018-07-04 20:30:44 C 18 37 48.04 +39 51 12.7 18.8 U 104
2018-07-04 20:36:30 C 18 37 44.12 +39 51 23.5 18.8 U 104
2018-07-04 20:42:46 C 18 37 42.82 +39 51 33.0 – t B49
2018-07-04 20:47:17 C 18 37 39.80 +39 51 41.5 – t B49
2018-07-04 20:59:34 C 18 37 31.57 +39 52 04.9 – t B49
2018-07-04 21:02:59 C 18 37 27.11 +39 52 06.3 – q C77
2018-07-04 21:09:40 C 18 37 22.76 +39 52 17.5 – q C77
2018-07-04 21:11:35 C 18 37 20.69 +39 52 27.1 19.2 U K63
2018-07-04 21:16:19 C 18 37 17.53 +39 52 35.1 19.4 U K63
2018-07-04 21:17:40 C 18 37 17.52 +39 52 31.3 – q C77
2018-07-04 21:22:20 C 18 37 13.58 +39 52 46.0 18.9 U K63
2018-07-04 21:26:59 C 18 37 09.22 +39 52 49.3 – U L01
2018-07-04 21:27:20 C 18 37 11.60 +39 52 49.2 – q C95
2018-07-04 21:28:23 C 18 37 08.30 +39 52 51.6 – U L01
2018-07-04 21:28:36 C 18 37 09.36 +39 52 35.8 – S 151
2018-07-04 21:30:06 C 18 37 07.14 +39 52 54.3 – U L01
2018-07-04 21:31:03 C 18 37 07.75 +39 52 39.8 – S 151
2018-07-04 21:32:17 C 18 37 06.95 +39 52 42.4 – S 151
2018-07-04 21:33:31 C 18 37 06.14 +39 52 43.7 – S 151
2018-07-04 21:33:58 C 18 37 07.33 +39 53 00.4 – q C95
2018-07-04 21:40:36 C 18 37 02.95 +39 53 11.1 – q C95
2018-07-04 21:51:33 C 18 36 53.02 +39 53 28.4 – U L01
2018-07-04 21:53:43 C 18 36 51.56 +39 53 31.7 – U L01
2018-07-04 21:55:05 C 18 36 50.70 +39 53 34.0 – U L01
2018-07-04 23:09:47 C 18 36 03.16 +39 55 24.5 – V K65
2018-07-04 23:25:57 C 18 35 53.01 +39 55 44.4 – V K65
2018-07-04 23:42:08 C 18 35 42.99 +39 56 03.8 – V K65
2018-07-05 01:57:51 C 18 34 52.35 +39 58 43.6 – q W34
2018-07-05 02:02:11 C 18 34 49.97 +39 58 50.3 – q W34
2018-07-05 02:15:50 C 18 34 42.30 +39 59 12.7 – q W34