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
2018-10-05 07:22:55 C 02 18 10.80 +10 06 46.3 V 703
2018-10-05 07:30:30 C 02 18 10.39 +10 06 44.6 V 703
2018-10-05 07:38:04 C 02 18 09.98 +10 06 43.4 V 703
2018-10-05 07:45:38 C 02 18 09.58 +10 06 41.7 V 703
2018-10-05 12:44:21 C 02 17 54.68 +10 05 49.0 U T08
2018-10-05 13:00:59 C 02 17 53.75 +10 05 45.0 U T08
2018-10-05 13:13:33 C 02 17 53.09 +10 05 41.2 U T08
2018-10-05 13:15:37 C 02 17 53.02 +10 05 41.5 U T08
2018-10-05 13:27:59 C 02 17 52.32 +10 05 37.8 U T08
2018-10-05 13:30:12 C 02 17 52.20 +10 05 38.5 U T08
2018-10-05 13:44:37 C 02 17 51.45 +10 05 35.4 U T08
2018-10-06 12:37:41 C 02 16 47.01 +10 01 00.7 U T08
2018-10-06 12:42:45 C 02 16 46.71 +10 00 59.5 U T08
2018-10-06 13:04:21 C 02 16 45.56 +10 00 54.7 U T08
2018-10-06 13:12:58 C 02 16 45.10 +10 00 53.9 U T08
2018-10-10 12:38:25 C 02 12 10.49 +09 41 53.2 U T08
2018-10-10 13:01:12 C 02 12 09.24 +09 41 48.7 U T08
2018-10-10 13:07:43 C 02 12 08.86 +09 41 47.0 U T08
2018-10-10 13:27:52 C 02 12 07.80 +09 41 43.1 U T08
2018-10-11 17:01:52 C 02 10 49.17 +09 36 16.5 q D29
2018-10-11 17:22:14 C 02 10 48.06 +09 36 12.6 q D29
2018-10-11 17:42:37 C 02 10 46.95 +09 36 08.7 q D29
2018-10-12 22:58:40 C 02 09 23.71 +09 30 27.8 o B67
2018-10-12 23:22:16 C 02 09 22.47 +09 30 23.5 o B67
2018-10-12 23:45:51 C 02 09 21.24 +09 30 19.1 o B67
2018-10-14 22:16:08 C 02 07 09.56 +09 21 44.8 o C41
2018-10-14 22:20:40 C 02 07 09.29 +09 21 43.4 o C41
2018-10-14 22:24:10 C 02 07 09.15 +09 21 43.3 o C41
2018-10-15 10:52:54 C 02 06 33.67 +09 19 31.0 V 703
2018-10-15 10:58:35 C 02 06 33.35 +09 19 30.2 V 703
2018-10-15 11:04:18 C 02 06 33.05 +09 19 29.1 V 703
2018-10-15 11:09:59 C 02 06 32.80 +09 19 28.0 V 703
2018-10-16 11:44:26 C 02 05 25.80 +09 15 14.8 U T05
2018-10-16 12:09:41 C 02 05 24.48 +09 15 10.1 U T05
2018-10-16 12:10:21 C 02 05 24.44 +09 15 10.0 U T05
2018-10-16 12:14:52 C 02 05 24.23 +09 15 09.6 U T05
2018-10-16 12:16:20 C 02 05 24.16 +09 15 08.8 U T05
2018-10-16 12:36:24 C 02 05 23.09 +09 15 05.5 U T05
2018-10-16 12:37:03 C 02 05 23.07 +09 15 05.3 U T05
2018-10-16 12:45:26 C 02 05 22.65 +09 15 04.1 U T05
2018-10-18 00:02:40 C 02 03 48.44 +09 09 01.6 18.2 q J43
2018-10-18 00:13:57 C 02 03 47.88 +09 08 59.8 18.3 q J43
2018-10-18 00:25:11 C 02 03 47.31 +09 08 58.1 18.3 q J43
2018-10-18 00:36:34 C 02 03 46.75 +09 08 56.2 18.3 q J43
2018-10-18 07:28:29 C 02 03 28.56 +09 07 47.0 V G96
2018-10-18 07:35:50 C 02 03 28.15 +09 07 46.7 V G96
2018-10-18 07:43:13 C 02 03 27.77 +09 07 45.3 V G96
2018-10-18 07:50:34 C 02 03 27.42 +09 07 44.3 V G96
2018-10-18 11:38:55 C 02 03 17.06 +09 07 12.4 U T08
2018-10-18 12:03:11 C 02 03 15.84 +09 07 08.1 U T08
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)