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
2018-07-25 00:43:26 C 23 23 00.49 -02 43 03.6 V Z80
2018-07-25 00:45:31 C 23 23 01.45 -02 42 59.5 V Z80
2018-07-25 00:47:38 C 23 23 02.37 -02 42 54.6 V Z80
2018-07-25 00:49:44 C 23 23 03.31 -02 42 48.5 V Z80
2018-07-25 00:51:50 C 23 23 04.25 -02 42 45.5 V Z80
2018-07-25 00:53:55 C 23 23 05.21 -02 42 39.4 V Z80
2018-07-25 00:56:00 C 23 23 06.13 -02 42 34.4 V Z80
2018-07-25 00:58:06 C 23 23 07.11 -02 42 29.9 V Z80
2018-07-25 01:00:12 C 23 23 08.00 -02 42 25.1 V Z80
2018-07-25 06:56:57 C 23 25 53.54 -02 28 17.5 u H21
2018-07-25 06:59:28 C 23 25 54.65 -02 28 11.7 u H21
2018-07-25 07:01:59 C 23 25 55.76 -02 28 06.1 u H21
2018-07-25 07:04:30 C 23 25 56.87 -02 28 00.1 u H21
2018-07-25 07:07:01 C 23 25 57.98 -02 27 54.2 u H21
2018-07-25 07:09:32 C 23 25 59.09 -02 27 48.4 u H21
2018-07-25 07:12:03 C 23 26 00.21 -02 27 42.7 u H21
2018-07-25 07:14:34 C 23 26 01.32 -02 27 36.7 u H21
2018-07-25 07:17:06 C 23 26 02.43 -02 27 30.9 u H21
2018-07-25 07:19:21 C 23 26 03.43 -02 27 25.6 u H21
2018-07-26 10:57:08 C 23 38 36.11 -01 23 38.0 U T05
2018-07-26 11:08:50 C 23 38 41.07 -01 23 11.7 U T05
2018-07-26 11:20:23 C 23 38 45.96 -01 22 45.8 U T05
2018-07-26 11:31:07 C 23 38 50.49 -01 22 21.6 U T05
2018-07-27 12:44:21 C 23 49 48.69 -00 26 35.7 U T05
2018-07-27 12:56:00 C 23 49 53.38 -00 26 10.4 U T05
2018-07-27 13:08:22 C 23 49 58.33 -00 25 43.5 U T05
2018-07-28 13:19:56 C 00 00 06.29 +00 25 39.2 U T08
2018-07-28 13:30:42 C 00 00 10.44 +00 26 01.5 U T08
2018-07-28 13:47:11 C 00 00 16.77 +00 26 35.8 U T08
2018-07-28 13:58:35 C 00 00 21.15 +00 26 59.5 U T08
2018-07-29 23:37:43 C 00 13 46.31 +01 33 50.2 16.5 U 089
2018-07-29 23:41:06 C 00 13 47.54 +01 33 56.5 16.6 U 089
2018-07-29 23:44:28 C 00 13 48.77 +01 34 03.2 17.2 U 089
2018-07-29 23:47:50 C 00 13 50.02 +01 34 09.6 16.2 U 089
2018-07-29 23:51:11 C 00 13 51.27 +01 34 16.2 16.3 U 089
2018-07-29 23:54:32 C 00 13 52.48 +01 34 23.0 16.2 U 089
2018-07-29 23:57:54 C 00 13 53.76 +01 34 29.3 15.9 U 089
2018-07-30 00:01:16 C 00 13 54.99 +01 34 36.1 16.2 U 089
2018-07-30 00:04:38 C 00 13 56.21 +01 34 42.4 15.9 U 089
2018-07-30 00:08:00 C 00 13 57.44 +01 34 48.7 16.3 U 089
2018-07-30 01:03:41 C 00 14 19.39 +01 36 33.1 q A17
2018-07-30 01:15:00 C 00 14 23.56 +01 36 55.0 q A17
2018-07-30 01:26:21 C 00 14 27.74 +01 37 16.9 q A17
2018-07-30 22:47:00 C 00 22 30.37 +02 17 29.3 16.5 U 089
2018-07-30 22:50:22 C 00 22 31.57 +02 17 35.4 16.9 U 089
2018-07-30 22:53:43 C 00 22 32.68 +02 17 41.5 16.4 U 089
2018-07-30 23:07:07 C 00 22 37.46 +02 18 05.9 16.5 U 089
2018-07-30 23:17:10 C 00 22 41.01 +02 18 24.9 16.0 U 089
2018-07-31 00:16:18 C 00 23 03.28 +02 20 16.3 q 160
2018-07-31 00:19:13 C 00 23 04.29 +02 20 21.4 q 160
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)