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
2018-09-29 11:07:46 C 23 45 29.762 +22 59 19.23 V F52
2018-09-29 11:25:27 C 23 45 31.086 +22 58 43.49 V F52
2018-10-05 05:21:38 C 23 57 42.41 +17 49 18.7 V 703
2018-10-05 05:29:11 C 23 57 43.12 +17 49 01.0 V 703
2018-10-05 05:36:46 C 23 57 43.75 +17 48 42.5 V 703
2018-10-05 05:44:19 C 23 57 44.42 +17 48 23.1 V 703
2018-10-05 06:27:27 C 23 57 47.97 +17 46 36.4 V H01
2018-10-05 06:32:50 C 23 57 48.44 +17 46 23.2 V H01
2018-10-05 06:47:16 C 23 57 49.68 +17 45 47.4 V H01
2018-10-05 06:58:09 C 23 57 50.61 +17 45 20.4 V H01
2018-10-05 10:00:08 C 23 58 06.65 +17 37 47.6 V I52
2018-10-05 10:00:59 C 23 58 06.71 +17 37 45.4 V I52
2018-10-05 10:03:52 C 23 58 06.97 +17 37 38.2 V I52
2018-10-05 10:04:43 C 23 58 07.06 +17 37 36.1 V I52
2018-10-05 18:53:21 C 23 58 59.67 +17 15 30.4 q A17
2018-10-05 19:10:15 C 23 59 01.20 +17 14 48.7 q A17
2018-10-05 19:27:08 C 23 59 02.73 +17 14 06.9 q A17
2018-10-05 19:35:31 C 23 59 03.41 +17 13 45.3 V 246
2018-10-05 19:41:39 C 23 59 04.00 +17 13 31.3 V 246
2018-10-05 19:42:47 C 23 59 04.03 +17 13 27.6 V 246
2018-10-05 19:53:24 C 23 59 04.90 +17 13 02.8 o K88
2018-10-05 20:00:10 C 23 59 05.45 +17 12 45.8 o K88
2018-10-05 20:06:57 C 23 59 06.10 +17 12 29.0 o K88
2018-10-06 02:43:35 C 23 59 44.83 +16 55 53.9 V I52
2018-10-06 02:45:46 C 23 59 45.05 +16 55 48.3 V I52
2018-10-06 02:46:22 C 23 59 45.10 +16 55 46.8 V I52
2018-10-06 02:49:01 C 23 59 45.31 +16 55 40.3 V I52
2018-10-06 20:13:50 C 00 01 24.93 +16 11 06.8 o K88
2018-10-06 20:21:49 C 00 01 25.66 +16 10 46.5 o K88
2018-10-06 20:29:49 C 00 01 26.39 +16 10 25.9 o K88
2018-10-07 02:51:26 C 00 02 04.55 +15 54 01.8 V I52
2018-10-07 02:53:16 C 00 02 04.71 +15 53 57.7 V I52
2018-10-07 02:53:37 C 00 02 04.75 +15 53 56.5 V I52
2018-10-07 02:56:14 C 00 02 04.94 +15 53 49.5 V I52
2018-10-07 02:56:35 C 00 02 05.04 +15 53 48.6 V I52
2018-10-07 02:58:03 C 00 02 05.15 +15 53 45.1 V I52
2018-10-07 02:58:24 C 00 02 05.22 +15 53 44.3 V I52
2018-10-09 21:21:53 C 00 08 42.40 +12 55 36.6 q A17
2018-10-09 21:38:54 C 00 08 44.03 +12 54 49.6 q A17
2018-10-09 21:55:53 C 00 08 45.66 +12 54 02.6 q A17
2018-10-10 09:56:00 C 00 09 58.14 +12 20 52.3 V I52
2018-10-10 09:56:20 C 00 09 58.14 +12 20 51.5 V I52
2018-10-10 09:57:47 C 00 09 58.29 +12 20 47.5 V I52
2018-10-10 09:58:07 C 00 09 58.31 +12 20 46.5 V I52
2018-10-12 20:10:11 C 00 16 08.32 +09 35 40.1 V 246
2018-10-12 20:11:51 C 00 16 08.44 +09 35 35.7 V 246
2018-10-12 20:12:04 C 00 16 08.53 +09 35 34.8 V 246
2018-10-12 20:14:58 C 00 16 08.77 +09 35 26.9 18.8 V 246
2018-10-12 20:16:48 C 00 16 08.96 +09 35 22.7 V 246
2018-10-12 20:17:11 C 00 16 09.00 +09 35 20.3 V 246