IAA RAS IAA Minor Planet Database

2018 NN4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5756461676 ± 2.92e-08
Semi-major axis (a)2.6781861715 AU ± 1.02e-07
Inclination (i)29.65842121° ± 8.99e-06
Long. of Asc. Node (Ω)290.85788799° ± 6.27e-06
Arg. of Perihelion (ω)341.02417322° ± 1.30e-05
Mean Anomaly (M)241.58848528° ± 3.62e-05
Mean Motion (n)0.2248801546°/day ± 1.29e-08
Perihelion dist (q)1.13649857 AU ± 8.94e-08
Aphelion dist (Q)4.21987378 AU ± 1.79e-07
Orbital Period4.38289579 yr ± 2.51e-07
Physical Parameters
H (abs. magnitude)18.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.292″
Uncertainty0
Orbit TypeAmor
MOID0.137520 AU
Observations Used184
Oppositions7
Arc Total2013-2022
First Observation Used2013-01-08
Last Observation Used2022-02-28
Observations (246)
Date Type RA Dec Mag Band Observatory
2018-08-22 02:37:12 C 17 22 57.54 +03 09 26.3 – u H21
2018-08-22 02:44:28 C 17 22 58.58 +03 09 37.4 – u H21
2018-08-22 02:57:24 C 17 23 00.45 +03 09 57.6 – u H21
2018-08-23 02:24:22 S 17 26 25.63 +03 45 45.3 – L C51
2018-08-23 03:09:12 C 17 26 31.68 +03 46 41.8 19.2 q H21
2018-08-23 03:18:03 C 17 26 32.88 +03 46 54.7 18.9 q H21
2018-08-23 03:26:55 C 17 26 34.19 +03 47 07.8 18.9 q H21
2018-08-23 05:32:52 S 17 26 52.79 +03 50 26.7 – L C51
2018-08-23 08:41:22 S 17 27 19.766 +03 55 01.96 – L C51
2018-08-23 11:49:52 S 17 27 46.80 +03 59 36.2 – L C51
2018-08-23 14:58:12 S 17 28 13.70 +04 04 12.8 – L C51
2018-08-23 14:58:22 S 17 28 13.69 +04 04 12.1 – L C51
2018-08-23 16:32:26 S 17 28 27.19 +04 06 28.9 – L C51
2018-08-23 19:40:56 S 17 28 54.01 +04 11 01.5 – L C51
2018-08-23 22:49:26 S 17 29 20.87 +04 15 31.8 – L C51
2018-08-24 01:57:57 S 17 29 47.64 +04 20 01.0 – L C51
2018-08-24 03:32:11 S 17 30 00.929 +04 22 14.77 – L C51
2018-08-24 05:06:26 S 17 30 14.282 +04 24 28.15 – L C51
2018-08-24 12:57:41 S 17 31 20.707 +04 35 29.36 – L C51
2018-08-24 22:23:01 S 17 32 39.778 +04 48 30.53 – L C51
2018-08-25 07:48:31 S 17 33 58.40 +05 01 17.1 – L C51
2018-08-25 10:57:00 S 17 34 24.49 +05 05 29.7 – L C51
2018-08-25 12:31:16 S 17 34 37.46 +05 07 37.4 – L C51
2018-08-25 14:05:31 S 17 34 50.53 +05 09 42.7 – L C51
2018-08-25 17:14:01 S 17 35 16.519 +05 13 52.50 – L C51
2018-08-25 18:48:16 S 17 35 29.36 +05 15 56.9 – L C51
2018-08-25 21:56:35 S 17 35 55.27 +05 20 04.3 – L C51
2018-08-25 21:56:46 S 17 35 55.27 +05 20 05.0 – L C51
2018-08-25 23:30:50 S 17 36 08.19 +05 22 07.6 – L C51
2018-08-26 04:13:35 S 17 36 46.84 +05 28 15.1 – L C51
2018-08-26 05:47:50 S 17 36 59.746 +05 30 16.42 – L C51
2018-08-26 07:22:05 S 17 37 12.51 +05 32 18.5 – L C51
2018-08-26 10:30:35 S 17 37 38.22 +05 36 20.2 – L C51
2018-08-26 23:04:24 S 17 39 20.251 +05 52 12.83 – L C51
2018-08-27 05:21:24 S 17 40 11.016 +06 00 01.22 – L C51
2018-08-27 14:46:54 S 17 41 26.621 +06 11 33.47 – L C51
2018-08-28 09:37:43 S 17 43 56.359 +06 34 00.30 – L C51
2018-08-28 19:03:13 S 17 45 10.543 +06 44 57.19 – L C51
2018-08-28 22:11:44 S 17 45 35.177 +06 48 33.62 – L C51
2018-08-31 02:46:31 C 17 52 20.13 +07 45 33.7 – u H21
2018-08-31 02:55:03 C 17 52 21.18 +07 45 42.8 – u H21
2018-08-31 03:05:50 C 17 52 22.52 +07 45 53.8 – u H21
2018-08-31 03:50:11 C 17 52 28.22 +07 46 41.9 – o 691
2018-08-31 03:55:17 C 17 52 28.84 +07 46 47.1 – o 691
2018-08-31 03:59:44 C 17 52 29.39 +07 46 51.9 – o 691
2018-09-01 03:32:16 C 17 55 26.73 +08 10 35.9 – U I41
2018-09-01 03:33:34 C 17 55 26.89 +08 10 37.2 – U I41
2018-09-01 05:03:17 C 17 55 37.74 +08 12 05.3 – U I41
2018-09-01 05:03:57 C 17 55 37.81 +08 12 06.3 – U I41
2018-09-01 05:26:37 C 17 55 40.58 +08 12 28.1 – U I41