2018 NB

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5542284061 ± 6.19e-08
Semi-major axis (a)2.3903830772 AU ± 3.24e-07
Inclination (i)0.92506098° ± 8.64e-07
Long. of Asc. Node (Ω)131.31075455° ± 2.16e-05
Arg. of Perihelion (ω)186.66203553° ± 2.16e-05
Mean Anomaly (M)350.77390867° ± 1.47e-04
Mean Motion (n)0.2666926322°/day ± 5.42e-08
Perihelion dist (q)1.06556487 AU ± 2.07e-07
Aphelion dist (Q)3.71520128 AU ± 5.25e-07
Orbital Period3.69573871 yr ± 7.52e-07
Physical Parameters
H (abs. magnitude)19.37
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.229″
Uncertainty0
Orbit TypeAmor
MOID0.050106 AU
Observations Used600
Radar Obs Used1
Oppositions1
Arc Total2018-2018
First Observation Used2018-04-12
Last Observation Used2018-12-14
Observations (642)
Date Type RA Dec Mag Band Observatory
2018-07-31 00:22:09 C 00 23 05.33 +02 20 27.5 q 160
2018-08-03 07:15:16 C 00 49 42.68 +04 31 14.1 u H21
2018-08-03 07:17:13 C 00 49 43.24 +04 31 16.9 u H21
2018-08-03 07:19:11 C 00 49 43.82 +04 31 19.9 u H21
2018-08-03 07:21:08 C 00 49 44.39 +04 31 22.7 u H21
2018-08-03 07:23:06 C 00 49 44.96 +04 31 25.6 u H21
2018-08-03 07:25:04 C 00 49 45.53 +04 31 28.5 u H21
2018-08-03 07:27:31 C 00 49 46.26 +04 31 32.4 u H21
2018-08-04 01:53:06 C 00 55 19.13 +04 58 02.6 q A17
2018-08-04 02:04:26 C 00 55 22.31 +04 58 18.8 q A17
2018-08-04 02:15:47 C 00 55 25.50 +04 58 34.8 q A17
2018-08-06 00:07:08 C 01 08 17.30 +05 58 59.0 q C23
2018-08-06 00:07:43 C 01 08 17.41 +05 59 00.1 q C23
2018-08-06 00:08:17 C 01 08 17.57 +05 59 00.6 q C23
2018-08-06 00:10:36 C 01 08 18.13 +05 59 04.0 q C23
2018-08-06 00:15:21 C 01 08 18.28 +05 59 14.9 16.7 U 089
2018-08-06 00:21:57 C 01 08 19.95 +05 59 23.4 16.4 U 089
2018-08-06 00:25:19 C 01 08 20.77 +05 59 27.4 16.4 U 089
2018-08-06 00:52:00 C 01 08 27.42 +06 00 00.8 17.0 U 089
2018-08-06 02:05:13 C 01 08 47.02 +06 01 33.8 q 160
2018-08-06 02:08:06 C 01 08 47.71 +06 01 37.5 q 160
2018-08-06 02:10:56 C 01 08 48.41 +06 01 41.0 q 160
2018-08-06 23:24:16 C 01 14 16.41 +06 26 44.2 16.7 U 089
2018-08-06 23:29:18 C 01 14 18.37 +06 26 43.6 q C23
2018-08-06 23:30:59 C 01 14 17.99 +06 26 52.2 16.5 U 089
2018-08-06 23:34:34 C 01 14 19.66 +06 26 50.4 q C23
2018-08-06 23:37:30 C 01 14 19.51 +06 26 59.7 16.6 U 089
2018-08-06 23:39:46 C 01 14 20.93 +06 26 56.7 q C23
2018-08-06 23:40:52 C 01 14 20.34 +06 27 03.8 16.0 U 089
2018-08-06 23:44:13 C 01 14 21.13 +06 27 07.7 16.7 U 089
2018-08-06 23:52:04 C 01 14 22.98 +06 27 16.5 16.9 U 089
2018-08-06 23:55:27 C 01 14 23.81 +06 27 20.3 16.5 U 089
2018-08-06 23:58:49 C 01 14 24.61 +06 27 24.5 16.7 U 089
2018-08-07 00:07:03 C 01 14 26.57 +06 27 34.0 17.4 U 089
2018-08-12 02:16:28 C 01 40 42.79 +08 23 39.2 q 160
2018-08-12 02:19:39 C 01 40 43.32 +08 23 42.5 q 160
2018-08-12 02:22:50 C 01 40 43.84 +08 23 44.4 q 160
2018-08-12 23:32:27 C 01 44 32.19 +08 39 28.4 q A17
2018-08-12 23:40:56 C 01 44 33.62 +08 39 34.7 q A17
2018-08-12 23:49:25 C 01 44 35.04 +08 39 41.0 q A17
2018-08-12 23:57:56 C 01 44 36.45 +08 39 47.4 q A17
2018-08-13 00:06:27 C 01 44 37.86 +08 39 53.8 q A17
2018-08-13 00:14:56 C 01 44 39.26 +08 40 00.1 q A17
2018-08-13 00:28:23 C 01 44 40.61 +08 40 14.7 U 089
2018-08-13 00:39:55 C 01 44 42.46 +08 40 22.4 U 089
2018-08-13 00:43:16 C 01 44 43.00 +08 40 25.3 U 089
2018-08-13 00:51:35 C 01 44 44.35 +08 40 31.5 U 089
2018-08-13 00:54:56 C 01 44 44.88 +08 40 33.5 U 089
2018-08-13 00:58:18 C 01 44 45.42 +08 40 36.5 U 089
2018-08-13 01:09:58 C 01 44 47.27 +08 40 44.4 U 089
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2018-08-01 08:40:00 97588570 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)