2018 TW4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4698726579 ± 3.31e-08
Semi-major axis (a)2.1667279606 AU ± 7.69e-09
Inclination (i)7.24523375° ± 8.43e-06
Long. of Asc. Node (Ω)313.51726405° ± 1.70e-04
Arg. of Perihelion (ω)336.74373559° ± 1.71e-04
Mean Anomaly (M)124.22419307° ± 2.72e-05
Mean Motion (n)0.3090335953°/day ± 1.64e-09
Perihelion dist (q)1.14864173 AU ± 7.19e-08
Aphelion dist (Q)3.18481419 AU ± 7.27e-08
Orbital Period3.18938231 yr ± 1.70e-08
Physical Parameters
H (abs. magnitude)19.92
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.211″
Uncertainty0
Orbit TypeAmor
MOID0.138864 AU
Observations Used83
Oppositions13
Arc Total2002-2021
First Observation Used2002-10-03
Last Observation Used2021-05-12
Observations (85)
Date Type RA Dec Mag Band Observatory
2002-10-03 06:06:23 C 00 10 14.17 +19 05 45.9 V 644
2002-10-03 06:59:10 C 00 10 11.56 +19 05 27.9 V 644
2002-10-03 07:29:46 C 00 10 10.05 +19 05 17.8 V 644
2018-10-01 13:13:54 C 01 50 03.094 +27 34 13.85 V F52
2018-10-01 13:31:40 C 01 50 01.912 +27 34 11.09 V F52
2018-10-10 06:32:39 C 01 36 32.27 +26 46 28.2 V G96
2018-10-10 06:40:04 C 01 36 31.72 +26 46 26.4 V G96
2018-10-10 06:47:31 C 01 36 31.20 +26 46 24.0 V G96
2018-10-10 06:54:56 C 01 36 30.70 +26 46 21.6 V G96
2018-10-10 10:22:06 C 01 36 16.66 +26 45 18.3 V V06
2018-10-10 10:24:37 C 01 36 16.48 +26 45 17.6 V V06
2018-10-10 10:27:08 C 01 36 16.33 +26 45 16.7 V V06
2018-10-10 10:29:39 C 01 36 16.14 +26 45 15.8 V V06
2018-10-10 21:37:26 C 01 35 33.58 +26 41 49.5 o K88
2018-10-10 21:47:34 C 01 35 32.92 +26 41 46.3 o K88
2018-10-10 21:57:43 C 01 35 32.24 +26 41 43.3 o K88
2018-10-11 03:16:00 C 01 35 12.16 +26 40 04.1 V H01
2018-10-11 03:21:17 C 01 35 11.82 +26 40 02.5 V H01
2018-10-11 03:38:36 C 01 35 10.67 +26 39 57.3 V H01
2018-10-11 03:52:03 C 01 35 09.78 +26 39 53.3 V H01
2018-10-11 18:52:59 C 01 34 11.67 +26 35 04.2 V L01
2018-10-11 19:03:04 C 01 34 11.06 +26 35 00.7 V L01
2018-10-11 19:26:48 C 01 34 09.49 +26 34 53.5 V L01
2018-10-12 04:40:03 C 01 33 33.72 +26 31 56.3 u H21
2018-10-12 04:56:44 C 01 33 32.61 +26 31 50.8 u H21
2018-10-12 05:17:13 C 01 33 31.26 +26 31 44.0 u H21
2018-10-18 07:03:24 C 01 24 30.03 +25 38 34.0 V I52
2018-10-18 07:10:59 C 01 24 29.57 +25 38 30.7 V I52
2018-10-18 07:24:11 C 01 24 28.75 +25 38 24.9 V I52
2018-10-18 07:29:16 C 01 24 28.43 +25 38 23.4 V I52
2018-10-27 03:49:39 C 01 13 10.14 +24 08 29.1 V V06
2018-10-27 03:51:51 C 01 13 10.05 +24 08 28.6 V V06
2018-10-27 03:54:03 C 01 13 09.92 +24 08 27.2 V V06
2018-10-27 03:56:14 C 01 13 09.77 +24 08 26.2 V V06
2018-11-01 04:53:54 C 01 08 00.88 +23 15 13.8 V G96
2018-11-01 05:01:57 C 01 08 00.54 +23 15 10.2 V G96
2018-11-01 05:09:59 C 01 08 00.23 +23 15 05.9 V G96
2018-11-01 05:18:01 C 01 07 59.87 +23 15 03.0 V G96
2018-11-08 01:43:50 C 01 02 43.87 +22 05 03.3 u H21
2018-11-08 02:00:01 C 01 02 43.43 +22 04 57.0 u H21
2018-11-08 02:17:35 C 01 02 42.93 +22 04 49.5 u H21
2018-11-11 03:07:02 C 01 01 02.15 +21 35 47.4 u H21
2018-11-11 03:13:44 C 01 01 02.00 +21 35 44.7 u H21
2018-11-11 03:24:32 C 01 01 01.75 +21 35 41.0 u H21
2021-03-08 07:21:42 C 13 27 25.90 -20 59 20.3 V 807
2021-03-08 07:29:41 C 13 27 25.81 -20 59 23.4 V 807
2021-03-08 07:37:40 C 13 27 25.72 -20 59 26.4 V 807
2021-03-09 05:05:39 C 13 27 14.82 -21 07 25.3 V 807
2021-03-09 05:13:39 C 13 27 14.73 -21 07 28.2 V 807
2021-03-09 05:21:38 C 13 27 14.59 -21 07 30.3 V 807