2018 NN

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3151600376 ± 7.15e-08
Semi-major axis (a)1.8576597435 AU ± 1.49e-08
Inclination (i)10.07693910° ± 6.18e-06
Long. of Asc. Node (Ω)297.58213293° ± 1.15e-05
Arg. of Perihelion (ω)344.66302835° ± 2.38e-05
Mean Anomaly (M)332.54445050° ± 1.17e-05
Mean Motion (n)0.3892808335°/day ± 4.70e-09
Perihelion dist (q)1.27219963 AU ± 1.33e-07
Aphelion dist (Q)2.44311986 AU ± 1.34e-07
Orbital Period2.53191578 yr ± 3.05e-08
Physical Parameters
H (abs. magnitude)20.33
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.266″
Uncertainty0
Orbit TypeAmor
MOID0.257712 AU
Observations Used146
Oppositions6
Arc Total2013-2023
First Observation Used2013-08-27
Last Observation Used2023-03-20
Observations (153)
Date Type RA Dec Mag Band Observatory
2018-07-08 12:51:36 C 21 06 24.494 -21 26 55.45 U F51
2018-07-08 13:05:57 C 21 06 24.232 -21 26 33.86 U F51
2018-07-10 14:11:50 C 21 05 50.90 -20 11 52.7 U 474
2018-07-10 14:17:34 C 21 05 50.80 -20 11 44.1 U 474
2018-07-10 14:23:18 C 21 05 50.67 -20 11 35.4 U 474
2018-07-14 13:15:20 C 21 04 09.82 -17 47 46.5 U 474
2018-07-14 13:17:22 C 21 04 09.75 -17 47 43.3 U 474
2018-07-14 13:19:23 C 21 04 09.70 -17 47 40.4 U 474
2018-07-14 13:23:26 C 21 04 09.59 -17 47 34.2 U 474
2018-07-14 13:26:29 C 21 04 09.51 -17 47 29.9 U 474
2018-07-18 01:36:40 C 21 02 06.43 -15 41 39.3 q 204
2018-07-18 01:48:44 C 21 02 06.04 -15 41 21.5 q 204
2018-07-18 02:00:48 C 21 02 05.64 -15 41 02.7 q 204
2018-07-18 11:29:24 C 21 01 51.72 -15 26 14.5 U 474
2018-07-18 11:32:16 C 21 01 51.63 -15 26 10.2 U 474
2018-07-18 11:35:09 C 21 01 51.52 -15 26 05.9 U 474
2018-07-18 11:38:02 C 21 01 51.43 -15 26 01.7 U 474
2018-07-31 21:09:46 C 20 51 38.63 -08 07 10.3 V C27
2018-07-31 21:59:43 C 20 51 36.74 -08 06 10.9 V C27
2018-08-01 21:35:18 C 20 50 50.60 -07 38 06.5 V C27
2018-08-01 22:14:07 C 20 50 49.13 -07 37 20.9 V C27
2018-08-01 22:39:31 C 20 50 48.18 -07 36 51.4 V C27
2018-08-02 06:34:52 C 20 50 32.02 -07 27 35.1 u H21
2018-08-02 06:39:10 C 20 50 31.85 -07 27 30.0 u H21
2018-08-02 06:43:40 C 20 50 31.67 -07 27 24.7 u H21
2018-08-02 06:49:17 C 20 50 31.46 -07 27 18.3 u H21
2018-08-03 06:49:50 C 20 49 45.28 -06 59 44.4 u H21
2018-08-03 06:52:56 C 20 49 45.15 -06 59 41.1 u H21
2018-08-03 06:56:03 C 20 49 45.03 -06 59 37.6 u H21
2018-08-03 06:59:09 C 20 49 44.91 -06 59 34.1 u H21
2018-08-03 07:02:08 C 20 49 44.80 -06 59 30.4 u H21
2018-08-03 23:20:59 C 20 49 14.32 -06 41 14.5 V K63
2018-08-03 23:26:02 C 20 49 14.07 -06 41 08.5 V K63
2018-08-03 23:32:00 C 20 49 13.86 -06 41 02.3 V K63
2018-08-05 06:02:30 C 20 48 17.24 -06 07 44.7 u H21
2018-08-05 06:05:40 C 20 48 17.10 -06 07 41.4 u H21
2018-08-05 06:10:00 C 20 48 16.95 -06 07 36.7 u H21
2018-08-05 06:15:29 C 20 48 16.76 -06 07 31.0 u H21
2018-08-07 02:15:42 C 20 46 59.59 -05 21 44.5 u H21
2018-08-07 02:19:53 C 20 46 59.45 -05 21 40.2 u H21
2018-08-07 02:22:40 C 20 46 59.36 -05 21 37.3 u H21
2018-08-08 12:03:35 C 20 46 00.37 -04 48 17.4 U T05
2018-08-08 12:19:03 C 20 45 59.88 -04 48 01.1 U T05
2018-08-08 12:34:29 C 20 45 59.36 -04 47 46.9 U T05
2018-08-08 12:49:58 C 20 45 58.88 -04 47 32.9 U T05
2018-08-12 06:30:58 C 20 43 43.58 -03 26 52.4 q H21
2018-08-12 06:35:53 C 20 43 43.43 -03 26 48.4 19.1 q H21
2018-08-12 06:40:46 C 20 43 43.29 -03 26 44.3 19.2 q H21
2018-08-12 11:48:56 C 20 43 35.92 -03 22 20.1 U T05
2018-08-12 12:04:23 C 20 43 35.48 -03 22 08.0 U T05