2017 TW4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4583123434 ± 1.33e-08
Semi-major axis (a)1.9211692386 AU ± 3.47e-09
Inclination (i)1.98403620° ± 1.30e-06
Long. of Asc. Node (Ω)306.49800013° ± 1.03e-04
Arg. of Perihelion (ω)101.36349838° ± 1.14e-04
Mean Anomaly (M)5.38371603° ± 7.56e-06
Mean Motion (n)0.3701381414°/day ± 1.00e-09
Perihelion dist (q)1.04067366 AU ± 2.56e-08
Aphelion dist (Q)2.80166481 AU ± 2.60e-08
Orbital Period2.66286063 yr ± 7.21e-09
NGA Modelr2
A2-2.29665015e-13 ± 1.05e-14 AU/d²
Physical Parameters
H (abs. magnitude)25.01
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.292″
Uncertainty0
Orbit TypeAmor
MOID0.059946 AU
Observations Used73
Oppositions10
Arc Total2009-2025
First Observation Used2009-10-02
Last Observation Used2025-10-01
Observations (74)
Date Type RA Dec Mag Band Observatory
2009-10-02 05:08:13 C 01 30 21.344 +27 29 30.23 V G96
2009-10-02 05:15:57 C 01 30 23.029 +27 29 51.72 V G96
2017-10-12 09:17:19 C 00 51 39.97 +31 22 10.6 U G96
2017-10-12 09:24:09 C 00 51 41.47 +31 22 33.7 U G96
2017-10-12 09:34:56 C 00 51 43.80 +31 23 10.7 U G96
2017-10-12 09:49:19 C 00 51 46.94 +31 23 59.0 U G96
2017-10-12 10:57:36 C 00 52 02.25 +31 27 49.7 U G96
2017-10-12 10:58:11 C 00 52 02.37 +31 27 51.5 U G96
2017-10-12 10:58:47 C 00 52 02.49 +31 27 53.6 U G96
2017-10-12 10:59:23 C 00 52 02.66 +31 27 55.9 U G96
2017-10-12 11:06:47 C 00 52 04.28 +31 28 16.0 U H01
2017-10-12 11:12:47 C 00 52 05.67 +31 28 36.0 U H01
2017-10-12 11:25:22 C 00 52 08.60 +31 29 18.2 U H01
2017-10-12 11:37:06 C 00 52 11.33 +31 29 57.8 U H01
2017-10-13 06:25:48 C 00 57 01.24 +32 37 48.3 o 926
2017-10-13 06:31:31 C 00 57 02.55 +32 38 09.8 o 926
2017-10-13 06:37:15 C 00 57 03.89 +32 38 30.2 o 926
2017-10-13 07:01:21 C 00 57 09.42 +32 39 55.6 U G96
2017-10-13 07:01:56 C 00 57 09.55 +32 39 57.5 U G96
2017-10-13 07:02:32 C 00 57 09.64 +32 39 59.4 U G96
2017-10-13 07:03:06 C 00 57 09.76 +32 40 01.3 U G96
2017-10-14 09:10:30 C 01 04 13.07 +34 15 43.1 U G96
2017-10-14 09:11:06 C 01 04 13.19 +34 15 44.6 U G96
2017-10-14 09:11:40 C 01 04 13.43 +34 15 47.2 U G96
2017-10-14 09:12:16 C 01 04 13.54 +34 15 49.0 U G96
2017-10-15 09:59:54 C 01 11 36.46 +35 48 52.3 o 926
2017-10-15 10:05:33 C 01 11 38.07 +35 49 12.0 o 926
2017-10-15 10:11:11 C 01 11 39.76 +35 49 33.4 o 926
2017-10-15 20:59:59 C 01 15 14.15 +36 30 26.8 19.6 o K88
2017-10-15 21:06:58 C 01 15 16.20 +36 30 53.7 19.7 o K88
2017-10-15 21:13:56 C 01 15 18.33 +36 31 21.1 19.8 o K88
2017-10-23 06:56:08 C 02 35 15.22 +47 29 05.2 U I52
2017-10-23 06:57:56 C 02 35 16.30 +47 29 10.4 U I52
2017-10-23 06:59:43 C 02 35 17.20 +47 29 15.9 U I52
2017-10-23 08:58:01 C 02 36 22.21 +47 35 38.6 U I52
2017-10-26 11:43:39 C 03 24 30.01 +50 53 22.8 U V06
2017-10-26 11:45:05 C 03 24 30.96 +50 53 25.1 U V06
2017-10-26 11:45:49 C 03 24 31.53 +50 53 26.9 U V06
2017-10-27 10:13:40 C 03 40 21.05 +51 35 58.5 o 926
2017-10-27 10:18:35 C 03 40 24.34 +51 36 06.1 o 926
2017-10-27 10:23:31 C 03 40 27.64 +51 36 13.2 o 926
2017-11-12 09:44:15 C 07 13 18.69 +45 29 49.8 o 711
2017-11-12 09:50:28 C 07 13 20.34 +45 29 37.2 o 711
2017-11-12 09:56:45 C 07 13 21.99 +45 29 24.3 o 711
2017-11-17 08:53:02 C 07 41 34.35 +41 31 41.5 u H21
2017-11-17 09:00:13 C 07 41 35.60 +41 31 28.6 u H21
2017-11-17 09:11:21 C 07 41 37.31 +41 31 07.4 u H21
2017-11-17 09:17:28 C 07 41 38.32 +41 30 56.3 u H21
2017-11-17 09:36:52 C 07 41 41.36 +41 30 19.3 u H21
2017-11-17 09:41:11 C 07 41 42.08 +41 30 11.7 u H21