IAA RAS IAA Minor Planet Database

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
2019-09-16 14:12:49 S 05 02 36.682 +77 24 40.61 – L C51
2019-09-16 17:21:19 S 04 58 48.917 +77 16 08.65 – L C51
2019-09-16 18:55:24 S 04 56 56.758 +77 11 47.26 – L C51
2019-10-07 07:01:17 C 01 46 47.14 +36 14 52.0 – V 703
2019-10-07 07:09:01 C 01 46 46.27 +36 14 12.2 – V 703
2019-10-07 07:16:47 C 01 46 45.34 +36 13 32.5 – V 703
2019-10-07 07:24:36 C 01 46 44.43 +36 12 54.3 – V 703
2019-10-07 10:29:10 C 01 46 24.404 +35 57 15.57 – U F51
2019-10-07 10:36:05 C 01 46 22.01 +35 56 31.6 – V I52
2019-10-07 10:36:21 C 01 46 21.98 +35 56 30.3 – V I52
2019-10-07 10:39:20 C 01 46 21.64 +35 56 14.8 – V I52
2019-10-07 10:39:36 C 01 46 21.60 +35 56 13.5 – V I52
2019-10-07 10:48:20 C 01 46 22.149 +35 55 38.02 – U F51
2019-10-07 11:06:28 C 01 46 20.009 +35 54 05.63 – U F51
2019-10-07 13:42:42 C 01 46 01.80 +35 40 46.7 – V T05
2019-10-07 14:09:54 C 01 45 58.68 +35 38 27.3 – V T05
2019-10-07 14:27:47 C 01 45 56.60 +35 36 54.7 – V T05
2019-10-07 14:43:23 C 01 45 54.91 +35 35 35.4 – V T05
2019-10-07 15:32:40 C 01 45 49.395 +35 31 22.12 – V F51
2019-10-07 19:36:15 C 01 45 27.25 +35 10 39.0 – V 595
2019-10-07 19:54:57 C 01 45 25.15 +35 09 05.3 – V 595
2019-10-07 19:57:15 C 01 45 24.91 +35 08 54.3 – V L01
2019-10-07 19:58:11 C 01 45 24.81 +35 08 49.4 – V L01
2019-10-07 19:59:08 C 01 45 24.72 +35 08 44.8 – V L01
2019-10-07 20:01:02 C 01 45 24.51 +35 08 35.3 – V L01
2019-10-07 20:01:40 C 01 45 24.44 +35 08 32.1 – V L01
2019-10-07 20:02:57 C 01 45 24.31 +35 08 25.8 – V L01
2019-10-07 20:21:07 C 01 45 22.34 +35 06 54.8 – V 595
2019-10-07 20:23:44 C 01 45 21.91 +35 06 40.3 – V C47
2019-10-07 20:36:04 C 01 45 20.67 +35 05 39.7 – V 595
2019-10-07 20:37:47 C 01 45 20.39 +35 05 30.1 – V C47
2019-10-07 20:42:23 C 01 45 20.01 +35 05 08.6 – q 160
2019-10-07 20:45:01 C 01 45 19.84 +35 04 56.4 – q 160
2019-10-07 20:46:20 C 01 45 19.63 +35 04 50.2 – q 160
2019-10-07 20:47:39 C 01 45 19.47 +35 04 42.1 – q 160
2019-10-07 20:50:18 C 01 45 19.16 +35 04 29.1 – q 160
2019-10-07 20:51:01 C 01 45 19.01 +35 04 24.8 – V 595
2019-10-07 20:51:51 C 01 45 18.84 +35 04 19.7 – V C47
2019-10-07 21:05:55 C 01 45 17.31 +35 03 09.2 – V C47
2019-10-07 21:14:55 C 01 45 16.32 +35 02 24.0 – V C47
2019-10-07 21:51:53 C 01 45 12.69 +34 59 18.6 – q 958
2019-10-07 21:52:11 C 01 45 12.35 +34 59 18.8 – q K63
2019-10-07 21:54:39 C 01 45 12.10 +34 59 06.5 – q K63
2019-10-07 21:57:59 C 01 45 11.72 +34 58 49.5 – q K63
2019-10-07 22:08:37 C 01 45 10.86 +34 57 55.6 – q 958
2019-10-07 22:25:18 C 01 45 08.96 +34 56 31.7 – q 958
2019-10-07 22:52:15 C 01 45 05.70 +34 54 17.8 – V 104
2019-10-07 22:57:59 C 01 45 05.06 +34 53 49.1 – V 104
2019-10-07 23:03:43 C 01 45 04.43 +34 53 20.3 – V 104
2019-10-07 23:23:26 C 01 45 03.23 +34 51 46.7 – V G40