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
2017-11-11 05:22:23 C 01 44 24.77 -34 54 38.6 u 807
2017-11-11 05:27:15 C 01 44 24.80 -34 54 34.9 u 807
2017-11-15 10:54:02 C 01 44 18.23 -33 30 28.6 U 474
2017-11-15 10:59:06 C 01 44 18.23 -33 30 24.2 U 474
2017-11-15 11:04:09 C 01 44 18.22 -33 30 20.3 U 474
2017-11-22 03:39:38 C 01 45 12.19 -31 20 15.5 U 807
2017-11-22 03:47:33 C 01 45 12.25 -31 20 08.8 U 807
2017-11-22 03:55:41 C 01 45 12.33 -31 20 02.6 U 807
2017-12-08 02:30:21 C 01 51 43.52 -26 23 17.4 U 807
2017-12-08 02:45:57 C 01 51 43.82 -26 23 05.3 U 807
2017-12-08 03:01:35 C 01 51 44.16 -26 22 52.9 U 807
2017-12-16 01:49:19 C 01 56 47.17 -24 02 04.7 U 807
2017-12-16 02:05:12 C 01 56 47.60 -24 01 53.1 U 807
2017-12-16 02:21:03 C 01 56 48.09 -24 01 41.9 U 807
2018-01-10 01:59:06 C 02 18 18.65 -17 13 45.9 V 807
2018-01-10 02:14:53 C 02 18 19.23 -17 13 35.4 V 807
2021-02-09 12:33:27 C 14 08 00.17 -10 59 35.2 V V06
2021-02-09 12:39:10 C 14 08 00.69 -10 59 33.9 V V06
2021-02-09 12:44:52 C 14 08 01.20 -10 59 31.9 V V06
2021-02-20 12:20:38 C 14 33 38.11 -09 08 36.9 o 691
2021-02-20 12:32:35 C 14 33 39.35 -09 08 30.0 o 691
2021-02-20 12:44:24 C 14 33 40.58 -09 08 23.0 o 691
2021-02-27 12:00:12 C 14 52 43.91 -07 07 14.4 V 695
2021-02-27 12:17:52 C 14 52 46.01 -07 06 58.9 V 695
2021-02-27 12:34:45 C 14 52 48.04 -07 06 44.3 V 695
2021-02-28 11:55:29 C 14 55 41.99 -06 45 41.2 V 695
2021-02-28 12:15:23 C 14 55 44.44 -06 45 22.8 V 695
2021-02-28 12:35:16 C 14 55 46.89 -06 45 04.1 V 695
2021-03-15 11:20:17 C 15 51 26.74 +01 42 01.2 o 711
2021-03-15 11:24:59 C 15 51 27.62 +01 42 10.4 o 711
2021-03-15 11:32:18 C 15 51 28.99 +01 42 25.8 o 711
2021-03-18 02:54:23 C 16 04 22.09 +03 58 14.4 V 033
2021-03-18 02:56:07 C 16 04 22.43 +03 58 17.8 V 033
2021-03-18 02:57:52 C 16 04 22.79 +03 58 21.8 V 033
2021-03-22 00:12:33 C 16 25 45.52 +07 49 23.5 V 033
2021-03-22 00:13:57 C 16 25 45.85 +07 49 27.2 V 033
2021-03-22 00:15:21 C 16 25 46.21 +07 49 31.2 V 033
2021-03-22 11:50:22 C 16 28 38.40 +08 20 56.9 V 703
2021-03-22 11:59:51 C 16 28 40.71 +08 21 23.2 V 703
2021-03-22 12:18:50 C 16 28 45.46 +08 22 14.9 V 703
2021-03-31 11:47:17 C 17 33 25.98 +19 34 54.3 o 691
2021-03-31 11:56:17 C 17 33 29.10 +19 35 24.6 o 691
2021-04-02 02:07:41 C 17 47 23.05 +21 45 06.0 V A17
2021-04-02 02:15:48 C 17 47 26.10 +21 45 34.8 V 204
2021-04-02 02:24:27 C 17 47 29.25 +21 46 03.1 V A17
2021-04-02 02:28:16 C 17 47 30.72 +21 46 17.2 V 204
2021-04-02 02:40:01 C 17 47 35.01 +21 46 55.8 V A17
2021-04-02 02:40:14 C 17 47 35.13 +21 46 57.8 V 204
2021-04-02 10:27:08 C 17 50 30.91 +22 13 29.7 o 691
2021-04-02 10:56:51 C 17 50 42.01 +22 15 11.1 o 691