2017 TA4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7081775411 ± 5.11e-08
Semi-major axis (a)2.4267596410 AU ± 2.68e-08
Inclination (i)27.35960017° ± 1.99e-05
Long. of Asc. Node (Ω)177.45093296° ± 2.54e-05
Arg. of Perihelion (ω)116.64459999° ± 2.36e-05
Mean Anomaly (M)67.38805662° ± 1.08e-05
Mean Motion (n)0.2607186692°/day ± 4.32e-09
Perihelion dist (q)0.70818297 AU ± 1.24e-07
Aphelion dist (Q)4.14533632 AU ± 1.32e-07
Orbital Period3.78042081 yr ± 6.26e-08
Physical Parameters
H (abs. magnitude)19.33
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.361″
Uncertainty0
Orbit TypeApollo
MOID0.059633 AU
Observations Used112
Oppositions3
Arc Total2017-2021
First Observation Used2017-03-19
Last Observation Used2021-11-01
Observations (119)
Date Type RA Dec Mag Band Observatory
2017-03-19 06:16:51 C 10 30 32.05 -00 00 24.0 o 691
2017-03-19 06:29:54 C 10 30 31.18 -00 00 11.8 o 691
2017-03-19 06:42:52 C 10 30 30.32 +00 00 00.5 o 691
2017-09-29 12:10:55 S 06 00 38.41 -65 31 58.4 L C51
2017-10-12 01:48:39 C 02 16 28.83 -48 05 27.4 q Y00
2017-10-12 02:09:40 C 02 16 25.53 -48 04 48.5 q Y00
2017-10-12 02:26:00 C 02 16 23.01 -48 04 17.9 q Y00
2017-10-12 03:05:52 C 02 16 16.68 -48 03 03.4 r Y00
2017-10-12 03:08:09 C 02 16 16.36 -48 02 59.6 r Y00
2017-10-12 03:10:26 C 02 16 15.98 -48 02 54.2 r Y00
2017-10-12 03:14:18 C 02 16 15.36 -48 02 47.8 r Y00
2017-10-12 03:16:36 C 02 16 15.04 -48 02 43.7 r Y00
2017-10-12 03:23:30 C 02 16 13.93 -48 02 31.1 r Y00
2017-10-12 10:42:34 C 02 15 15.29 -47 48 30.4 v Q62
2017-10-12 10:56:59 C 02 15 13.18 -47 48 04.8 v Q62
2017-10-12 11:11:24 C 02 15 11.06 -47 47 39.4 v Q62
2017-10-12 12:17:13 C 02 15 01.42 -47 45 41.5 q E23
2017-10-12 12:30:33 C 02 14 59.48 -47 45 17.9 q E23
2017-10-12 12:43:52 C 02 14 57.51 -47 44 54.1 q E23
2017-10-12 13:01:13 C 02 14 55.12 -47 44 24.1 q Q62
2017-10-12 13:04:05 C 02 14 54.69 -47 44 18.9 q Q62
2017-10-12 13:08:09 C 02 14 54.11 -47 44 11.7 q Q62
2017-10-13 04:22:43 C 02 12 53.93 -47 17 02.6 r Y00
2017-10-13 04:33:00 C 02 12 52.40 -47 16 42.8 r Y00
2017-10-13 04:43:19 C 02 12 51.01 -47 16 25.3 r Y00
2017-10-13 07:21:31 C 02 12 29.83 -47 11 41.4 r Y00
2017-10-13 07:31:16 C 02 12 28.45 -47 11 22.9 r Y00
2017-10-13 07:41:43 C 02 12 27.19 -47 11 04.3 r Y00
2017-10-14 02:42:26 C 02 10 17.20 -46 39 14.1 r Y00
2017-10-14 03:13:55 C 02 10 13.33 -46 38 23.0 r Y00
2017-10-14 07:23:23 C 02 09 43.10 -46 31 28.2 r Y00
2017-10-14 07:36:37 C 02 09 41.60 -46 31 06.4 r Y00
2017-10-14 18:14:40 C 02 08 34.13 -46 14 07.1 q Q62
2017-10-14 18:17:40 C 02 08 33.78 -46 14 02.1 q Q62
2017-10-14 18:24:59 C 02 08 32.94 -46 13 50.1 q Q62
2017-10-16 13:45:02 C 02 04 29.81 -45 09 29.7 U 474
2017-10-16 13:52:31 C 02 04 29.17 -45 09 19.2 U 474
2017-10-16 13:58:35 C 02 04 28.55 -45 09 10.3 U 474
2017-10-24 12:03:40 C 01 52 57.56 -41 22 09.4 U 474
2017-10-24 12:06:42 C 01 52 57.41 -41 22 06.0 U 474
2017-10-24 12:09:44 C 01 52 57.26 -41 22 03.0 U 474
2017-10-24 12:12:47 C 01 52 57.08 -41 22 00.1 U 474
2017-10-29 11:17:00 C 01 48 52.67 -39 24 09.8 U 474
2017-10-29 11:20:04 C 01 48 52.57 -39 24 07.0 U 474
2017-10-29 11:23:06 C 01 48 52.47 -39 24 04.2 U 474
2017-10-29 11:26:08 C 01 48 52.36 -39 24 01.1 U 474
2017-11-07 05:33:09 C 01 45 04.76 -36 15 51.5 U 807
2017-11-07 05:37:32 C 01 45 04.71 -36 15 47.6 U 807
2017-11-07 05:41:55 C 01 45 04.65 -36 15 43.7 U 807
2017-11-11 05:17:30 C 01 44 24.82 -34 54 42.8 u 807