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
2018-07-12 22:33:49 C 13 29 12.00 -41 42 11.8 q X74
2018-07-12 22:39:07 C 13 29 13.77 -41 41 58.5 q X74
2018-07-12 22:44:26 C 13 29 15.66 -41 41 45.3 q X74
2018-07-13 00:37:42 C 13 29 53.57 -41 36 59.4 q Y00
2018-07-13 00:42:35 C 13 29 55.33 -41 36 47.4 q Y00
2018-07-13 00:47:43 C 13 29 57.77 -41 36 33.4 V W88
2018-07-13 01:23:04 C 13 30 09.74 -41 35 04.5 V W88
2018-07-13 08:35:24 C 13 32 39.62 -41 17 05.6 q E23
2018-07-13 08:42:22 C 13 32 42.00 -41 16 47.7 q E23
2018-07-13 08:48:53 C 13 32 44.18 -41 16 31.4 q E23
2018-07-13 08:55:48 C 13 32 46.50 -41 16 13.6 q E23
2018-07-13 23:01:44 C 13 37 36.96 -40 40 13.0 q X74
2018-07-13 23:07:02 C 13 37 38.69 -40 39 59.4 q X74
2018-07-13 23:12:16 C 13 37 40.47 -40 39 45.5 q X74
2018-07-13 23:27:00 C 13 37 46.14 -40 39 04.4 u 807
2018-07-13 23:28:33 C 13 37 46.66 -40 39 00.4 u 807
2018-07-13 23:30:44 C 13 37 47.38 -40 38 54.7 u 807
2018-07-14 07:14:43 C 13 40 26.64 -40 18 32.2 q R58
2018-07-14 07:30:15 C 13 40 31.86 -40 17 51.1 q R58
2018-07-15 23:30:14 C 13 54 08.31 -38 28 25.1 q X74
2018-07-15 23:44:19 C 13 54 12.98 -38 27 44.7 q X74
2018-07-15 23:58:56 C 13 54 17.82 -38 27 02.2 q X74
2018-07-19 07:11:55 C 14 20 34.87 -34 28 18.3 U 474
2018-07-19 07:14:48 C 14 20 35.79 -34 28 09.1 U 474
2018-07-19 07:17:42 C 14 20 36.70 -34 28 00.0 U 474
2018-07-21 19:58:24 S 14 39 51.336 -31 09 55.37 L C51
2018-07-22 06:50:05 C 14 43 12.26 -30 33 48.5 U T05
2018-07-22 07:00:45 C 14 43 15.51 -30 33 12.4 U T05
2018-07-22 07:11:23 C 14 43 18.63 -30 32 36.5 U T05
2018-07-22 07:22:04 C 14 43 21.87 -30 31 59.5 U T05
2018-08-01 21:57:51 C 15 52 44.31 -16 04 36.4 V J69
2018-08-01 22:11:51 C 15 52 47.52 -16 03 51.6 V J69
2018-08-03 08:03:57 C 16 00 40.93 -14 15 58.8 U T05
2018-08-03 08:15:26 C 16 00 43.51 -14 15 22.6 U T05
2018-08-03 08:27:29 C 16 00 46.21 -14 14 44.7 U T05
2018-08-03 08:37:39 C 16 00 48.47 -14 14 13.3 U T05
2018-08-03 20:44:39 C 16 03 33.93 -13 36 40.4 V B38
2018-08-03 20:57:26 C 16 03 36.80 -13 36 00.5 V B38
2018-08-03 21:10:07 C 16 03 39.52 -13 35 22.1 V B38
2018-08-06 08:21:19 C 16 16 34.24 -10 38 25.2 U T08
2018-08-06 08:36:17 C 16 16 37.36 -10 37 41.8 U T08
2018-08-06 08:51:45 C 16 16 40.51 -10 36 57.7 U T08
2018-08-06 19:35:15 C 16 18 56.34 -10 06 24.1 q 160
2018-08-06 19:39:04 C 16 18 57.10 -10 06 13.3 q 160
2018-08-06 19:42:51 C 16 18 57.90 -10 06 02.6 q 160
2018-08-06 20:23:08 C 16 19 06.04 -10 04 07.6 V B38
2018-08-06 20:38:13 C 16 19 09.20 -10 03 25.4 V B38
2018-08-06 20:54:06 C 16 19 12.37 -10 02 40.0 V B38
2018-08-06 21:16:04 C 16 19 16.89 -10 01 37.6 V B38
2018-08-07 02:20:20 C 16 20 20.50 -09 47 17.1 u H21