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
2018-07-02 15:22:08 C 19 39 34.66 -17 26 20.2 16.4 q Q62
2018-07-02 15:22:39 C 19 39 34.65 -17 26 17.2 q E23
2018-07-02 15:30:00 C 19 39 36.41 -17 26 12.4 q E23
2018-07-02 15:37:28 C 19 39 38.21 -17 26 07.9 q E23
2018-07-02 21:43:27 C 19 41 15.54 -17 23 42.8 U G34
2018-07-02 21:56:49 C 19 41 19.07 -17 23 32.2 q A17
2018-07-02 22:01:56 C 19 41 20.34 -17 23 29.2 q A17
2018-07-02 22:07:55 C 19 41 21.81 -17 23 25.8 q A17
2018-07-02 22:09:00 C 19 41 21.89 -17 23 27.6 U G34
2018-07-02 22:12:16 C 19 41 22.69 -17 23 23.5 U G34
2018-07-02 22:13:01 C 19 41 23.11 -17 23 22.9 q A17
2018-07-02 22:18:52 C 19 41 25.00 -17 23 20.2 q J69
2018-07-02 22:25:52 C 19 41 26.69 -17 23 14.5 q J69
2018-07-02 22:32:52 C 19 41 28.45 -17 23 10.3 q J69
2018-07-02 22:39:52 C 19 41 30.23 -17 23 06.0 q J69
2018-07-02 23:01:30 C 19 41 35.00 -17 22 52.0 U L01
2018-07-02 23:01:55 C 19 41 35.73 -17 22 53.6 q J69
2018-07-02 23:03:45 C 19 41 35.57 -17 22 50.6 U L01
2018-07-02 23:05:57 C 19 41 36.11 -17 22 49.4 U L01
2018-07-02 23:08:08 C 19 41 36.68 -17 22 47.9 U L01
2018-07-02 23:08:54 C 19 41 37.50 -17 22 48.9 q J69
2018-07-02 23:15:54 C 19 41 39.24 -17 22 44.7 q J69
2018-07-02 23:22:54 C 19 41 40.98 -17 22 40.5 q J69
2018-07-02 23:31:59 C 19 41 43.36 -17 22 30.0 q B74
2018-07-02 23:37:19 C 19 41 44.67 -17 22 26.8 q B74
2018-07-02 23:41:53 C 19 41 45.73 -17 22 29.2 V J95
2018-07-02 23:44:03 C 19 41 46.34 -17 22 22.8 q B74
2018-07-02 23:44:23 C 19 41 46.36 -17 22 27.9 V J95
2018-07-02 23:46:51 C 19 41 46.98 -17 22 26.2 V J95
2018-07-03 00:00:29 C 19 41 51.74 -17 22 01.0 U G40
2018-07-03 00:05:27 C 19 41 52.98 -17 21 58.0 U G40
2018-07-03 00:10:26 C 19 41 54.20 -17 21 55.3 U G40
2018-07-03 00:20:33 C 19 41 56.67 -17 21 49.1 U G40
2018-07-03 00:25:22 C 19 41 57.88 -17 21 46.3 U G40
2018-07-03 00:31:02 C 19 41 58.00 -17 21 58.3 V Z80
2018-07-03 00:32:08 C 19 41 58.24 -17 21 58.5 V Z80
2018-07-03 00:33:13 C 19 41 58.51 -17 21 57.2 V Z80
2018-07-03 00:34:18 C 19 41 58.79 -17 21 56.9 V Z80
2018-07-03 00:35:24 C 19 41 59.09 -17 21 57.4 V Z80
2018-07-03 00:36:29 C 19 41 59.32 -17 21 55.5 V Z80
2018-07-03 00:53:47 C 19 42 03.09 -17 21 43.7 U K87
2018-07-03 01:03:01 C 19 42 05.37 -17 21 37.8 U K87
2018-07-03 01:14:24 C 19 42 08.24 -17 21 30.7 U K87
2018-07-03 01:17:07 C 19 42 08.90 -17 21 28.5 U K87
2018-07-03 01:26:51 C 19 42 11.35 -17 21 22.4 U K87
2018-07-03 01:33:53 C 19 42 13.11 -17 21 17.6 U K87
2018-07-03 02:36:42 C 19 42 32.64 -17 19 29.0 q X74
2018-07-03 02:41:40 C 19 42 33.86 -17 19 26.0 q X74
2018-07-03 02:46:39 C 19 42 35.09 -17 19 22.9 q X74
2018-07-03 03:11:57 C 19 42 40.91 -17 19 08.6 q Y00
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)