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
2011-10-14 04:17:32 C 22 14 32.56 +00 36 38.4 u 448
2011-10-14 04:20:27 C 22 14 32.25 +00 37 01.0 u 448
2011-10-14 04:23:21 C 22 14 31.92 +00 37 23.3 u 448
2011-10-14 04:26:16 C 22 14 31.61 +00 37 45.7 u 448
2011-10-14 04:32:22 C 22 14 30.94 +00 38 32.9 u 448
2011-10-14 04:36:27 C 22 14 30.51 +00 39 04.7 u 448
2011-10-14 16:56:20 C 22 13 24.43 +02 14 40.7 u C73
2011-10-14 17:00:24 C 22 13 24.04 +02 15 12.9 u C73
2011-10-14 17:04:24 C 22 13 23.61 +02 15 43.9 u C73
2011-10-15 02:00:16 C 22 12 35.19 +03 25 41.0 o G48
2011-10-15 02:06:14 C 22 12 34.56 +03 26 28.2 o G48
2011-10-15 02:18:21 C 22 12 33.28 +03 28 03.1 o G48
2011-10-15 02:24:21 C 22 12 32.65 +03 28 49.5 o G48
2011-10-15 02:33:34 C 22 12 28.87 +03 31 09.9 u 821
2011-10-15 02:37:45 C 22 12 28.43 +03 31 42.7 u 821
2011-10-15 02:46:20 C 22 12 27.52 +03 32 49.8 u 821
2011-10-15 03:37:22 C 22 12 23.65 +03 38 13.7 o H21
2011-10-15 03:45:29 C 22 12 22.80 +03 39 17.2 o H21
2011-10-15 03:49:34 C 22 12 22.37 +03 39 49.4 o H21
2011-10-15 03:52:37 C 22 12 22.04 +03 40 13.1 o H21
2011-10-15 18:12:02 C 22 11 07.02 +05 32 29.0 o 046
2011-10-15 18:12:52 C 22 11 06.87 +05 32 34.9 o 046
2011-10-15 18:13:41 C 22 11 06.83 +05 32 41.6 o 046
2011-10-15 18:14:34 C 22 11 06.76 +05 32 48.6 o 046
2011-10-15 19:24:39 C 22 10 59.64 +05 41 58.8 o 246
2011-10-15 19:25:35 C 22 10 59.57 +05 42 05.9 o 246
2011-10-15 19:26:39 C 22 10 59.46 +05 42 15.0 o 246
2011-10-15 19:33:40 C 22 10 58.72 +05 43 09.6 o 246
2011-10-15 19:34:38 C 22 10 58.64 +05 43 16.7 o 246
2011-10-15 19:35:10 C 22 10 58.55 +05 43 20.6 o 246
2011-10-15 19:36:08 C 22 10 58.48 +05 43 29.7 o 246
2011-10-15 19:36:39 C 22 10 58.42 +05 43 34.1 o 246
2011-10-15 19:38:00 C 22 10 58.28 +05 43 43.6 o 246
2011-10-15 20:24:38 C 22 10 53.80 +05 49 52.8 t 204
2011-10-15 20:30:09 C 22 10 53.25 +05 50 36.3 t 204
2011-10-15 20:35:41 C 22 10 52.68 +05 51 19.9 t 204
2011-10-15 20:42:09 C 22 10 51.92 +05 52 11.5 c A48
2011-10-15 20:45:49 C 22 10 51.52 +05 52 40.2 c A48
2011-10-15 20:52:24 C 22 10 50.84 +05 53 31.9 c A48
2011-10-15 21:00:18 C 22 10 50.04 +05 54 34.0 c A48
2011-10-16 01:41:44 C 22 10 26.64 +06 31 32.9 o H21
2011-10-16 01:45:54 C 22 10 26.21 +06 32 05.6 o H21
2011-10-16 01:49:54 C 22 10 25.80 +06 32 37.2 o H21
2011-10-16 01:53:55 C 22 10 25.39 +06 33 08.8 o H21
2011-10-16 01:58:05 C 22 10 24.95 +06 33 41.6 o H21
2011-10-16 05:32:34 C 22 10 04.14 +07 01 56.4 o 291
2011-10-16 05:34:26 C 22 10 03.91 +07 02 11.8 o 291
2011-10-16 05:36:18 C 22 10 03.74 +07 02 25.9 o 291
2011-10-16 18:59:06 C 22 08 55.50 +08 47 27.6 o 046
2011-10-16 19:00:07 C 22 08 55.31 +08 47 35.6 o 046