2011 TA4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6493514308 ± 2.92e-05
Semi-major axis (a)3.0981062766 AU ± 2.42e-04
Inclination (i)19.67195555° ± 5.46e-04
Long. of Asc. Node (Ω)11.71412199° ± 4.81e-05
Arg. of Perihelion (ω)20.79525731° ± 1.28e-04
Mean Anomaly (M)210.44378072° ± 1.13e-01
Mean Motion (n)0.1807456312°/day ± 2.11e-05
Perihelion dist (q)1.08634653 AU ± 1.24e-04
Aphelion dist (Q)5.10986602 AU ± 4.09e-04
Orbital Period5.45311262 yr ± 6.38e-04
Physical Parameters
H (abs. magnitude)20.51
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.295″
Uncertainty3
Orbit TypeAmor
MOID0.106916 AU
Observations Used188
Oppositions1
Arc Total2011-2011
First Observation Used2011-10-03
Last Observation Used2011-12-12
Observations (189)
Date Type RA Dec Mag Band Observatory
2011-10-03 08:22:04 C 22 41 03.882 -27 17 18.62 L F51
2011-10-03 08:39:02 C 22 41 01.775 -27 15 57.17 L F51
2011-10-03 09:22:20 C 22 40 56.383 -27 12 27.87 L F51
2011-10-03 09:40:14 C 22 40 54.181 -27 11 01.00 L F51
2011-10-04 15:19:34 C 22 37 40.48 -24 41 23.6 o E10
2011-10-04 15:20:29 C 22 37 40.38 -24 41 18.6 o E10
2011-10-04 15:21:28 C 22 37 40.25 -24 41 13.3 o E10
2011-10-04 15:22:25 C 22 37 40.14 -24 41 08.3 o E10
2011-10-04 15:23:21 C 22 37 40.04 -24 41 03.6 o E10
2011-10-04 15:24:21 C 22 37 39.91 -24 40 58.1 o E10
2011-10-04 15:25:19 C 22 37 39.81 -24 40 53.1 o E10
2011-10-04 15:26:15 C 22 37 39.71 -24 40 48.1 o E10
2011-10-04 15:27:12 C 22 37 39.58 -24 40 43.3 o E10
2011-10-04 21:10:30 C 22 37 05.24 -24 11 45.6 u C75
2011-10-04 21:12:17 C 22 37 05.03 -24 11 36.1 u C75
2011-10-04 21:13:15 C 22 37 04.91 -24 11 31.1 u C75
2011-10-04 21:29:00 C 22 37 03.71 -24 10 06.9 u I93
2011-10-04 21:37:20 C 22 37 02.26 -24 09 23.1 t 204
2011-10-04 21:43:24 C 22 37 01.54 -24 08 51.4 t 204
2011-10-04 21:49:34 C 22 37 01.24 -24 08 18.7 u I93
2011-10-04 22:09:27 C 22 36 58.81 -24 06 32.9 u I93
2011-10-05 06:01:01 C 22 36 05.81 -23 23 23.1 o 807
2011-10-05 06:07:06 C 22 36 05.11 -23 22 49.6 o 807
2011-10-05 06:13:06 C 22 36 04.40 -23 22 16.7 o 807
2011-10-05 06:23:33 C 22 36 03.23 -23 21 19.5 o 807
2011-10-06 01:58:45 C 22 34 02.12 -21 33 47.0 t H21
2011-10-06 02:05:07 C 22 34 01.36 -21 33 11.8 t H21
2011-10-06 02:11:29 C 22 34 00.61 -21 32 35.4 t H21
2011-10-06 02:17:51 C 22 33 59.86 -21 31 59.5 t H21
2011-10-06 19:28:22 C 22 32 10.65 -19 52 31.9 v B03
2011-10-06 19:39:41 C 22 32 09.30 -19 51 23.8 v B03
2011-10-06 19:51:01 C 22 32 07.98 -19 50 17.7 v B03
2011-10-06 23:51:41 C 22 31 44.28 -19 25 20.7 o 807
2011-10-06 23:57:52 C 22 31 43.56 -19 24 44.1 o 807
2011-10-07 00:04:53 C 22 31 42.73 -19 24 02.6 o 807
2011-10-11 00:03:15 C 22 21 53.72 -08 52 18.2 o 807
2011-10-11 00:14:18 C 22 21 52.45 -08 50 59.5 o 807
2011-10-11 04:07:51 C 22 21 26.87 -08 24 15.5 o H21
2011-10-11 04:13:00 C 22 21 26.31 -08 23 38.4 o H21
2011-10-11 04:18:07 C 22 21 25.73 -08 23 01.6 o H21
2011-10-11 04:23:12 C 22 21 25.16 -08 22 25.0 o H21
2011-10-11 04:28:06 C 22 21 24.61 -08 21 49.6 o H21
2011-10-11 12:35:58 C 22 20 37.07 -07 21 49.1 u D90
2011-10-11 12:45:03 C 22 20 36.04 -07 20 42.9 u D90
2011-10-11 12:54:05 C 22 20 35.02 -07 19 37.1 u D90
2011-10-14 01:17:53 C 22 14 50.79 +00 13 23.1 o H21
2011-10-14 01:22:09 C 22 14 50.33 +00 13 56.1 o H21
2011-10-14 01:26:12 C 22 14 49.91 +00 14 27.3 o H21
2011-10-14 01:30:47 C 22 14 49.40 +00 15 02.6 o H21
2011-10-14 01:34:42 C 22 14 48.98 +00 15 33.0 o H21