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
2018-08-07 02:24:59 C 16 20 21.43 -09 47 04.0 u H21
2018-08-07 02:28:05 C 16 20 22.05 -09 46 55.2 u H21
2018-08-07 02:31:10 C 16 20 22.67 -09 46 46.4 u H21
2018-08-07 02:34:16 C 16 20 23.29 -09 46 37.7 u H21
2018-08-07 02:37:23 C 16 20 23.93 -09 46 28.9 u H21
2018-08-07 02:40:41 C 16 20 24.60 -09 46 19.7 u H21
2018-08-08 08:43:16 C 16 26 31.24 -08 23 18.3 U T05
2018-08-08 08:51:16 C 16 26 32.75 -08 22 56.6 U T05
2018-08-08 08:58:38 C 16 26 34.23 -08 22 36.6 U T05
2018-08-08 09:06:40 C 16 26 35.84 -08 22 16.1 U T05
2018-08-08 09:14:09 C 16 26 37.25 -08 21 54.3 U T05
2018-08-08 09:22:08 C 16 26 38.91 -08 21 33.2 U T05
2018-08-10 20:56:42 C 16 38 13.40 -05 47 32.0 q 160
2018-08-10 20:59:33 C 16 38 13.90 -05 47 24.4 q 160
2018-08-10 21:02:23 C 16 38 14.47 -05 47 17.7 q 160
2018-08-12 20:46:17 C 16 47 00.61 -03 53 34.2 q 160
2018-08-12 20:50:09 C 16 47 01.28 -03 53 25.0 q 160
2018-08-12 20:54:01 C 16 47 01.96 -03 53 16.1 q 160
2018-08-14 20:40:59 C 16 55 24.34 -02 07 57.2 q 204
2018-08-14 20:51:22 C 16 55 26.04 -02 07 35.4 q 204
2018-08-14 21:01:09 C 16 55 27.70 -02 07 14.4 q 204
2018-08-15 20:21:01 C 16 59 24.75 -01 18 50.0 q 160
2018-08-15 20:25:04 C 16 59 25.37 -01 18 41.5 q 160
2018-08-15 20:29:11 C 16 59 26.08 -01 18 33.3 q 160
2018-08-16 20:13:27 C 17 03 21.87 -00 31 17.4 q 160
2018-08-16 20:17:03 C 17 03 22.49 -00 31 10.0 q 160
2018-08-16 20:20:28 C 17 03 23.02 -00 31 03.8 q 160
2018-08-17 00:52:49 C 17 04 07.69 -00 21 50.5 V W88
2018-08-17 00:57:38 C 17 04 08.48 -00 21 41.1 V W88
2018-08-17 01:22:51 C 17 04 12.48 -00 20 51.7 V W88
2018-08-17 20:46:01 C 17 07 20.27 +00 15 34.2 q 160
2018-08-17 20:49:50 C 17 07 20.88 +00 15 41.5 q 160
2018-08-17 20:53:40 C 17 07 21.49 +00 15 48.9 q 160
2018-08-18 07:47:27 C 17 09 05.54 +00 36 05.0 U T08
2018-08-18 08:02:30 C 17 09 07.92 +00 36 32.4 U T08
2018-08-18 08:16:51 C 17 09 10.16 +00 36 58.6 U T08
2018-08-18 08:31:52 C 17 09 12.50 +00 37 26.1 U T08
2018-08-18 19:46:30 C 17 10 59.39 +00 57 39.8 U K87
2018-08-18 20:33:08 C 17 11 06.58 +00 59 02.8 U K87
2018-08-18 20:35:45 C 17 11 06.98 +00 59 07.4 U K87
2018-08-18 21:57:56 C 17 11 19.83 +01 01 40.3 V G40
2018-08-18 22:02:55 C 17 11 20.57 +01 01 49.1 V G40
2018-08-18 22:23:10 C 17 11 23.67 +01 02 25.2 V G40
2018-08-19 03:11:15 C 17 12 08.76 +01 10 54.0 u H21
2018-08-19 03:11:50 C 17 12 08.85 +01 10 55.1 u H21
2018-08-19 03:18:22 C 17 12 09.84 +01 11 07.2 u H21
2018-08-19 03:26:56 C 17 12 11.16 +01 11 22.8 u H21
2018-08-20 14:43:13 S 17 17 36.619 +02 12 00.54 L C51
2018-08-21 00:08:43 S 17 19 01.860 +02 27 28.62 L C51
2018-08-21 06:25:32 S 17 19 58.190 +02 37 38.06 L C51