2019 TA4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6835116217 ± 1.42e-04
Semi-major axis (a)2.3394214848 AU ± 9.87e-04
Inclination (i)27.44126812° ± 5.77e-03
Long. of Asc. Node (Ω)208.82836610° ± 1.74e-03
Arg. of Perihelion (ω)78.18082849° ± 4.25e-03
Mean Anomaly (M)273.83693903° ± 4.03e-01
Mean Motion (n)0.2754543055°/day ± 1.74e-04
Perihelion dist (q)0.74039971 AU ± 4.56e-04
Aphelion dist (Q)3.93844326 AU ± 1.69e-03
Orbital Period3.57818434 yr ± 2.26e-03
Physical Parameters
H (abs. magnitude)20.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.261″
Uncertainty3
Orbit TypeApollo
MOID0.053763 AU
Observations Used144
Oppositions1
Arc Total2019-2019
First Observation Used2019-10-07
Last Observation Used2019-11-02
Observations (151)
Date Type RA Dec Mag Band Observatory
2019-10-07 23:45:43 C 01 45 00.72 +34 49 54.9 V G40
2019-10-08 00:03:16 C 01 44 58.76 +34 48 27.6 V G40
2019-10-08 03:06:39 C 01 44 37.85 +34 33 02.5 V Z84
2019-10-08 03:20:13 C 01 44 36.37 +34 31 54.0 V Z84
2019-10-08 03:33:46 C 01 44 34.90 +34 30 45.9 V Z84
2019-10-08 03:47:20 C 01 44 33.42 +34 29 37.4 V Z84
2019-10-08 04:41:57 C 01 44 30.68 +34 25 05.5 V I52
2019-10-08 04:42:46 C 01 44 30.60 +34 25 01.3 V I52
2019-10-08 04:43:34 C 01 44 30.50 +34 24 57.2 V I52
2019-10-08 04:50:26 C 01 44 29.76 +34 24 23.3 V I52
2019-10-08 05:23:27 C 01 44 25.42 +34 21 39.0 u H21
2019-10-08 05:25:25 C 01 44 25.22 +34 21 29.5 u H21
2019-10-08 05:27:22 C 01 44 25.01 +34 21 19.6 u H21
2019-10-08 05:29:19 C 01 44 24.79 +34 21 10.0 u H21
2019-10-08 05:31:16 C 01 44 24.58 +34 21 00.2 u H21
2019-10-08 05:43:09 C 01 44 23.50 +34 20 00.4 q H36
2019-10-08 06:12:14 C 01 44 20.33 +34 17 36.4 q H36
2019-10-08 06:41:25 C 01 44 17.12 +34 15 11.2 q H36
2019-10-08 07:42:29 C 01 44 10.93 +34 10 05.7 V V01
2019-10-08 08:03:27 C 01 44 08.66 +34 08 21.1 V V01
2019-10-08 08:04:09 C 01 44 10.127 +34 08 23.18 U F51
2019-10-08 08:18:22 C 01 44 07.03 +34 07 06.8 V V01
2019-10-08 08:21:06 C 01 44 08.295 +34 06 59.64 U F51
2019-10-08 08:38:03 C 01 44 06.452 +34 05 35.95 U F51
2019-10-08 20:08:00 C 01 42 58.23 +33 08 33.2 V B49
2019-10-08 20:22:18 C 01 42 56.76 +33 07 24.2 V B49
2019-10-08 20:35:30 C 01 42 55.24 +33 06 15.4 V J69
2019-10-08 20:37:00 C 01 42 55.25 +33 06 13.5 V B49
2019-10-08 20:41:13 C 01 42 54.60 +33 05 47.7 V J69
2019-10-08 20:46:57 C 01 42 54.05 +33 05 20.2 V J69
2019-10-10 23:02:23 C 01 38 19.80 +29 07 15.2 V K87
2019-10-10 23:03:06 C 01 38 19.75 +29 07 11.3 V K87
2019-10-10 23:03:49 C 01 38 19.69 +29 07 08.5 V K87
2019-10-11 04:26:44 C 01 37 53.81 +28 42 42.9 V I52
2019-10-11 04:30:27 C 01 37 53.49 +28 42 25.4 V I52
2019-10-11 04:34:26 C 01 37 53.13 +28 42 07.1 V I52
2019-10-11 21:17:11 C 01 36 31.60 +27 27 14.1 V C95
2019-10-11 21:33:09 C 01 36 30.24 +27 26 04.2 V C95
2019-10-11 21:49:08 C 01 36 28.91 +27 24 54.3 V C95
2019-10-11 23:34:48 C 01 36 19.84 +27 17 08.6 V 204
2019-10-11 23:48:00 C 01 36 18.73 +27 16 10.6 V 204
2019-10-12 00:01:11 C 01 36 17.63 +27 15 12.0 V 204
2019-10-12 01:08:04 C 01 36 11.93 +27 10 16.2 V K87
2019-10-12 01:09:33 C 01 36 11.82 +27 10 09.4 V K87
2019-10-12 01:10:41 C 01 36 11.72 +27 10 04.4 V K87
2019-10-17 06:47:06 C 01 27 54.94 +18 54 11.7 V I52
2019-10-17 06:47:54 C 01 27 54.90 +18 54 09.0 V I52
2019-10-17 06:49:31 C 01 27 54.81 +18 54 03.2 V I52
2019-10-18 06:09:01 C 01 26 39.64 +17 34 00.5 V H21
2019-10-18 06:17:44 C 01 26 39.14 +17 33 31.3 V H21