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
2018-07-19 00:11:07 C 22 12 24.69 -08 25 22.5 q 089
2018-07-19 00:14:28 C 22 12 26.27 -08 25 15.1 q 089
2018-07-19 00:17:50 C 22 12 27.87 -08 25 07.0 q 089
2018-07-19 00:21:11 C 22 12 29.47 -08 24 59.9 q 089
2018-07-19 00:24:32 C 22 12 31.06 -08 24 52.2 q 089
2018-07-19 01:16:44 C 22 12 57.63 -08 22 56.2 U K87
2018-07-19 01:25:02 C 22 13 01.60 -08 22 37.3 U K87
2018-07-19 01:33:21 C 22 13 05.55 -08 22 18.4 U K87
2018-07-19 01:42:02 C 22 13 09.68 -08 21 58.9 U K87
2018-07-19 01:50:19 C 22 13 13.64 -08 21 40.0 U K87
2018-07-19 01:58:38 C 22 13 17.59 -08 21 21.1 U K87
2018-07-19 14:50:41 C 22 19 44.84 -07 51 31.4 r P93
2018-07-19 14:52:29 C 22 19 45.71 -07 51 27.8 r P93
2018-07-19 16:01:59 C 22 20 18.74 -07 48 48.1 r P93
2018-07-19 21:32:59 C 22 23 04.95 -07 36 16.3 V G34
2018-07-19 21:37:09 C 22 23 06.99 -07 36 07.0 V G34
2018-07-19 21:41:20 C 22 23 09.01 -07 35 55.9 V G34
2018-07-19 21:45:30 C 22 23 11.00 -07 35 47.1 V G34
2018-07-20 01:27:52 C 22 24 58.42 -07 27 11.5 U K87
2018-07-20 01:36:11 C 22 25 02.39 -07 26 52.1 U K87
2018-07-20 01:44:30 C 22 25 06.37 -07 26 32.7 U K87
2018-07-20 01:53:11 C 22 25 10.51 -07 26 12.5 U K87
2018-07-20 02:01:29 C 22 25 14.49 -07 25 53.1 U K87
2018-07-20 02:09:48 C 22 25 18.47 -07 25 33.6 U K87
2018-07-20 08:08:49 C 22 28 13.44 -07 09 38.7 r Y00
2018-07-20 08:11:11 C 22 28 14.37 -07 09 31.4 r Y00
2018-07-20 08:13:41 C 22 28 15.63 -07 09 27.8 r Y00
2018-07-20 14:54:35 C 22 31 42.43 -06 55 18.7 q Q21
2018-07-20 15:00:00 C 22 31 44.97 -06 55 05.8 q Q21
2018-07-20 15:06:14 C 22 31 47.96 -06 54 51.2 q Q21
2018-07-20 15:11:31 C 22 31 50.48 -06 54 39.0 q Q21
2018-07-20 15:14:42 C 22 31 52.01 -06 54 31.6 q Q21
2018-07-20 15:18:56 C 22 31 54.00 -06 54 21.5 q Q21
2018-07-20 15:23:10 C 22 31 56.02 -06 54 11.8 q Q21
2018-07-21 00:02:40 C 22 36 13.77 -06 33 48.6 15.5 q K83
2018-07-21 00:03:42 C 22 36 14.24 -06 33 46.7 15.6 q K83
2018-07-21 00:05:21 C 22 36 15.02 -06 33 42.4 15.9 q K83
2018-07-21 23:15:12 C 22 47 43.55 -05 38 25.6 q C23
2018-07-21 23:19:31 C 22 47 45.57 -05 38 15.4 q C23
2018-07-21 23:24:54 C 22 47 48.15 -05 38 02.5 q C23
2018-07-23 14:28:33 C 23 06 44.73 -04 03 33.8 U T05
2018-07-23 14:38:25 C 23 06 49.21 -04 03 10.1 U T05
2018-07-23 14:58:11 C 23 06 58.18 -04 02 22.7 U T05
2018-07-24 00:24:27 C 23 11 33.78 -03 40 29.9 q A17
2018-07-24 00:32:38 C 23 11 37.62 -03 40 04.1 q 160
2018-07-24 00:35:47 C 23 11 39.06 -03 39 56.5 q 160
2018-07-24 00:35:48 C 23 11 39.00 -03 40 03.0 q A17
2018-07-24 00:38:56 C 23 11 40.49 -03 39 48.9 q 160
2018-07-24 00:47:09 C 23 11 44.21 -03 39 36.1 q A17
2018-07-25 00:41:20 C 23 22 59.53 -02 43 08.5 V Z80
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)