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
2018-10-18 12:09:45 C 02 03 15.51 +09 07 06.5 U T08
2018-10-18 12:29:58 C 02 03 14.51 +09 07 03.5 U T08
2018-10-20 05:51:50 C 02 01 28.77 +09 00 29.0 V 703
2018-10-20 05:59:47 C 02 01 28.41 +09 00 28.0 V 703
2018-10-20 06:07:46 C 02 01 27.99 +09 00 26.6 V 703
2018-10-20 06:15:44 C 02 01 27.63 +09 00 25.6 V 703
2018-10-20 09:49:27 C 02 01 17.50 +08 59 52.5 V G96
2018-10-20 09:56:52 C 02 01 17.16 +08 59 51.4 V G96
2018-10-20 10:04:16 C 02 01 16.82 +08 59 50.2 V G96
2018-10-20 10:11:39 C 02 01 16.47 +08 59 49.0 V G96
2018-10-20 23:30:06 C 02 00 43.90 +08 57 46.9 18.2 V 104
2018-10-20 23:38:39 C 02 00 43.51 +08 57 45.8 18.1 V 104
2018-10-20 23:47:11 C 02 00 43.10 +08 57 44.8 18.1 V 104
2018-10-20 23:53:10 C 02 00 42.83 +08 57 43.3 q 160
2018-10-20 23:56:59 C 02 00 42.67 +08 57 43.3 q 160
2018-10-21 00:00:50 C 02 00 42.43 +08 57 42.5 q 160
2018-10-29 13:39:30 C 01 53 15.68 +08 33 54.1 q D29
2018-10-29 13:59:51 C 01 53 14.95 +08 33 52.8 q D29
2018-10-29 14:20:13 C 01 53 14.23 +08 33 51.2 q D29
2018-10-31 01:44:46 C 01 52 12.08 +08 31 05.2 q W34
2018-10-31 02:16:30 C 01 52 11.01 +08 31 03.5 q W34
2018-10-31 02:29:01 C 01 52 10.62 +08 31 02.9 q W34
2018-11-01 06:37:55 C 01 51 23.56 +08 29 11.4 V 703
2018-11-01 06:45:32 C 01 51 23.25 +08 29 11.0 V 703
2018-11-01 06:53:09 C 01 51 23.07 +08 29 10.6 V 703
2018-11-01 07:00:46 C 01 51 22.92 +08 29 10.2 V 703
2018-11-01 10:57:38 C 01 51 16.33 +08 29 00.1 U T05
2018-11-01 11:12:54 C 01 51 15.90 +08 28 58.2 U T05
2018-11-01 11:28:08 C 01 51 15.37 +08 28 57.4 U T05
2018-11-01 11:39:03 C 01 51 15.02 +08 28 56.9 U T05
2018-11-02 06:03:16 C 01 50 47.31 +08 27 51.0 V G96
2018-11-02 06:11:15 C 01 50 47.07 +08 27 50.6 V G96
2018-11-02 06:27:12 C 01 50 46.60 +08 27 49.6 V G96
2018-11-02 06:35:10 C 01 50 46.37 +08 27 49.3 V G96
2018-11-12 06:30:15 C 01 46 37.204 +08 25 04.08 U F52
2018-11-12 06:52:59 C 01 46 36.910 +08 25 04.85 U F52
2018-11-12 07:15:47 C 01 46 36.612 +08 25 05.66 U F52
2018-11-12 07:38:54 C 01 46 36.308 +08 25 06.37 U F52
2018-12-14 04:49:25 C 01 55 55.75 +10 09 50.5 V G96
2018-12-14 04:57:31 C 01 55 56.00 +10 09 52.6 V G96
2018-12-14 05:05:36 C 01 55 56.23 +10 09 54.1 V G96
2018-12-14 05:13:43 C 01 55 56.49 +10 09 55.1 V G96
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)