2018 TW

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5330250551 ± 6.74e-06
Semi-major axis (a)2.6738547564 AU ± 4.26e-05
Inclination (i)19.23644212° ± 1.41e-04
Long. of Asc. Node (Ω)201.13540444° ± 2.08e-05
Arg. of Perihelion (ω)188.34872438° ± 1.09e-04
Mean Anomaly (M)222.18430165° ± 1.40e-02
Mean Motion (n)0.2254268057°/day ± 5.39e-06
Perihelion dist (q)1.24862318 AU ± 2.68e-05
Aphelion dist (Q)4.09908634 AU ± 6.78e-05
Orbital Period4.37226744 yr ± 1.05e-04
Physical Parameters
H (abs. magnitude)21.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.361″
Uncertainty2
Orbit TypeAmor
MOID0.253118 AU
Observations Used110
Oppositions1
Arc Total2018-2018
First Observation Used2018-09-29
Last Observation Used2018-12-27
Observations (111)
Date Type RA Dec Mag Band Observatory
2018-10-12 20:17:31 C 00 16 09.01 +09 35 19.8 V 246
2018-10-13 00:43:23 C 00 16 36.11 +09 22 34.1 V 204
2018-10-13 00:55:54 C 00 16 37.39 +09 21 58.0 V 204
2018-10-13 01:07:56 C 00 16 38.62 +09 21 23.2 V 204
2018-10-13 19:15:07 C 00 18 38.25 +08 28 54.0 q A17
2018-10-13 19:32:07 C 00 18 40.01 +08 28 04.7 q A17
2018-10-13 19:48:53 C 00 18 41.75 +08 27 16.2 q A17
2018-10-13 20:09:25 C 00 18 43.80 +08 26 17.5 18.6 V 246
2018-10-13 20:11:43 C 00 18 43.94 +08 26 09.7 V 246
2018-10-13 20:12:42 C 00 18 44.08 +08 26 07.6 V 246
2018-10-13 20:13:57 C 00 18 44.24 +08 26 03.5 V 246
2018-10-13 20:15:43 C 00 18 44.59 +08 25 58.4 V 246
2018-10-14 20:28:09 C 00 21 23.27 +07 15 22.5 V 246
2018-10-14 20:30:03 C 00 21 23.46 +07 15 17.8 V 246
2018-10-14 20:30:43 C 00 21 23.52 +07 15 15.0 V 246
2018-10-14 20:32:37 C 00 21 23.71 +07 15 09.8 V 246
2018-10-14 20:33:05 C 00 21 23.80 +07 15 09.1 V 246
2018-10-18 03:34:43 C 00 30 16.26 +03 23 19.6 V I52
2018-10-18 03:35:04 C 00 30 16.26 +03 23 18.1 V I52
2018-10-18 03:42:50 C 00 30 17.14 +03 22 53.1 V I52
2018-10-18 04:48:32 C 00 30 24.17 +03 19 43.2 V G96
2018-10-18 04:56:35 C 00 30 25.02 +03 19 19.3 V G96
2018-10-18 05:04:38 C 00 30 25.87 +03 18 55.7 V G96
2018-10-18 05:12:40 C 00 30 26.73 +03 18 32.4 V G96
2018-10-27 03:12:43 C 00 55 29.31 -06 36 21.7 V I52
2018-10-27 03:16:49 C 00 55 29.71 -06 36 32.6 V I52
2018-10-27 03:20:58 C 00 55 30.13 -06 36 44.6 V I52
2018-10-28 04:59:02 C 00 58 31.37 -07 40 56.1 V I52
2018-10-28 05:01:59 C 00 58 31.76 -07 41 03.4 V I52
2018-10-28 05:02:35 C 00 58 31.80 -07 41 04.5 V I52
2018-10-28 08:27:04 C 00 58 54.43 -07 49 27.0 o 691
2018-10-28 08:44:44 C 00 58 56.44 -07 50 10.6 o 691
2018-10-28 09:02:24 C 00 58 58.41 -07 50 53.9 o 691
2018-11-01 05:19:34 C 01 09 51.56 -11 23 26.8 V I52
2018-11-01 05:21:27 C 01 09 51.77 -11 23 30.3 V I52
2018-11-01 05:23:38 C 01 09 52.01 -11 23 35.4 V I52
2018-11-06 06:07:14 C 01 23 48.00 -15 16 19.9 V G96
2018-11-06 06:15:21 C 01 23 48.86 -15 16 34.4 V G96
2018-11-06 06:23:30 C 01 23 49.73 -15 16 47.8 V G96
2018-11-06 06:31:37 C 01 23 50.58 -15 17 01.4 V G96
2018-11-07 05:56:58 C 01 26 30.16 -15 56 00.6 V I52
2018-11-07 06:01:47 C 01 26 30.65 -15 56 08.6 V I52
2018-11-07 06:06:19 C 01 26 31.14 -15 56 15.8 V I52
2018-11-07 06:11:07 C 01 26 31.63 -15 56 23.8 V I52
2018-11-16 04:16:16 C 01 49 52.40 -20 24 20.8 V G96
2018-11-16 04:24:46 C 01 49 53.24 -20 24 28.1 V G96
2018-11-16 04:33:16 C 01 49 54.01 -20 24 36.5 V G96
2018-11-16 04:41:47 C 01 49 54.90 -20 24 44.4 V G96
2018-11-18 04:24:51 C 01 54 51.76 -21 04 31.7 V I52
2018-11-18 04:38:50 C 01 54 53.09 -21 04 42.9 V I52