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
2013-01-08 11:54:15 C 08 40 22.71 +08 24 00.3 V 568
2013-01-08 12:03:21 C 08 40 22.30 +08 23 59.4 V 568
2013-01-08 12:12:27 C 08 40 21.90 +08 23 59.0 V 568
2013-01-18 12:08:22 C 08 29 50.349 +08 04 40.28 V F51
2013-01-18 12:29:07 C 08 29 49.357 +08 04 38.25 V F51
2013-01-21 09:13:40 C 08 26 36.457 +08 00 26.63 V F51
2017-12-26 15:01:23 C 11 29 09.140 -23 00 25.67 V F51
2017-12-26 15:14:24 C 11 29 09.514 -23 00 37.15 V F51
2017-12-26 15:27:24 C 11 29 09.930 -23 00 49.44 V F51
2018-01-13 14:21:10 C 11 40 07.851 -29 51 00.94 V F51
2018-05-28 10:41:51 S 09 22 01.987 -54 54 50.65 L C51
2018-05-28 16:58:40 S 09 22 34.260 -54 53 39.37 L C51
2018-05-28 20:07:10 S 09 22 50.506 -54 53 02.22 L C51
2018-05-28 23:15:41 S 09 23 06.934 -54 52 27.73 L C51
2018-05-29 13:23:45 S 09 24 22.152 -54 49 47.57 L C51
2018-05-29 14:58:00 S 09 24 30.662 -54 49 29.75 L C51
2018-05-29 22:49:04 S 09 25 14.131 -54 48 03.35 L C51
2018-05-30 12:57:19 S 09 26 32.981 -54 45 26.64 L C51
2018-05-30 19:14:08 S 09 27 09.082 -54 44 15.79 L C51
2018-05-31 12:30:42 S 09 28 50.604 -54 41 07.48 L C51
2018-06-22 01:14:41 S 10 54 07.908 -52 32 54.46 L C51
2018-07-12 06:08:36 C 13 23 31.58 -42 22 12.9 U T08
2018-07-12 06:17:22 C 13 23 34.55 -42 21 51.7 U T08
2018-07-12 06:27:32 C 13 23 37.91 -42 21 27.9 U T08
2018-07-12 06:28:54 C 13 23 38.41 -42 21 23.5 U T08
2018-07-12 06:39:00 C 13 23 41.83 -42 20 59.5 U T08
2018-07-12 06:40:22 C 13 23 42.27 -42 20 56.6 U T08
2018-07-12 06:49:44 C 13 23 45.48 -42 20 33.6 U T08
2018-07-12 07:00:25 C 13 23 49.05 -42 20 07.7 U T08
2018-07-12 09:23:40 C 13 24 38.81 -42 14 02.0 U 474
2018-07-12 09:26:33 C 13 24 39.80 -42 13 54.9 U 474
2018-07-12 09:29:26 C 13 24 40.79 -42 13 47.9 U 474
2018-07-12 09:30:54 C 13 24 41.29 -42 13 44.3 U 474
2018-07-12 09:59:55 C 13 24 51.19 -42 12 32.9 q R58
2018-07-12 10:28:26 C 13 25 01.11 -42 11 30.8 q E23
2018-07-12 10:29:34 C 13 25 01.35 -42 11 20.4 q R58
2018-07-12 10:35:11 C 13 25 03.39 -42 11 14.5 q E23
2018-07-12 10:41:57 C 13 25 05.70 -42 10 58.0 q E23
2018-07-12 18:21:29 C 13 27 44.20 -41 52 34.0 V L29
2018-07-12 18:22:14 C 13 27 44.41 -41 52 32.6 V L29
2018-07-12 18:22:59 C 13 27 44.66 -41 52 30.8 V L29
2018-07-12 20:25:20 C 13 28 26.00 -41 47 26.0 V L29
2018-07-12 20:26:06 C 13 28 26.24 -41 47 23.7 V L29
2018-07-12 20:27:35 C 13 28 26.74 -41 47 20.0 V L29
2018-07-12 20:28:21 C 13 28 27.02 -41 47 18.5 V L29
2018-07-12 20:29:05 C 13 28 27.26 -41 47 16.3 V L29
2018-07-12 20:29:50 C 13 28 27.52 -41 47 14.5 V L29
2018-07-12 20:30:34 C 13 28 27.76 -41 47 12.7 V L29
2018-07-12 20:31:20 C 13 28 28.03 -41 47 10.7 V L29
2018-07-12 20:35:51 C 13 28 29.56 -41 46 59.5 V L29