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
2011-10-23 18:17:46 C 21 56 00.46 +29 28 03.8 c A53
2011-10-23 18:32:36 C 21 55 59.26 +29 29 43.6 c A53
2011-10-24 01:30:44 C 21 55 32.50 +30 16 03.0 u 448
2011-10-24 01:36:28 C 21 55 32.03 +30 16 41.1 u 448
2011-10-24 01:42:55 C 21 55 31.50 +30 17 23.7 u 448
2011-10-24 01:49:16 C 21 55 30.97 +30 18 05.6 u 448
2011-10-24 01:55:11 C 21 55 30.49 +30 18 44.9 u 448
2011-10-25 01:52:59 C 21 53 57.48 +32 52 58.0 t H47
2011-10-25 02:01:10 C 21 53 56.84 +32 53 49.6 t H47
2011-10-25 02:19:06 C 21 53 55.38 +32 55 41.8 t H47
2011-10-25 05:17:41 C 21 53 42.79 +33 14 18.3 o 291
2011-10-25 05:20:01 C 21 53 42.61 +33 14 32.6 o 291
2011-10-26 19:08:22 C 21 51 31.05 +37 02 07.2 a 233
2011-10-26 19:10:47 C 21 51 30.90 +37 02 21.7 a 233
2011-10-26 19:12:54 C 21 51 30.72 +37 02 36.2 a 233
2011-10-27 17:12:55 C 21 50 19.84 +39 07 07.4 u C73
2011-10-27 17:19:27 C 21 50 19.38 +39 07 43.6 u C73
2011-10-27 17:22:23 C 21 50 19.13 +39 07 59.7 u C73
2011-10-27 17:24:52 C 21 50 19.00 +39 08 12.9 u C73
2011-10-27 17:27:21 C 21 50 18.86 +39 08 27.3 u C73
2011-10-27 17:29:49 C 21 50 18.64 +39 08 40.3 u C73
2011-10-27 17:31:50 C 21 50 18.50 +39 08 51.9 u C73
2011-10-28 05:20:04 C 21 49 39.71 +40 13 23.1 o 291
2011-10-28 05:22:45 C 21 49 39.52 +40 13 37.4 o 291
2011-10-28 05:25:26 C 21 49 39.36 +40 13 51.9 o 291
2011-11-02 02:18:37 C 21 44 57.24 +49 27 27.0 o H21
2011-11-02 02:22:55 C 21 44 57.02 +49 27 44.8 o H21
2011-11-02 02:27:08 C 21 44 56.85 +49 28 02.0 o H21
2011-11-02 02:30:45 C 21 44 56.66 +49 28 16.4 o H21
2011-11-03 05:45:57 C 21 44 10.55 +51 17 20.5 o 291
2011-11-03 05:49:19 C 21 44 10.42 +51 17 33.4 o 291
2011-11-03 05:51:58 C 21 44 10.32 +51 17 43.4 o 291
2011-11-05 00:10:26 C 21 43 22.54 +53 54 14.5 o H21
2011-11-05 00:14:50 C 21 43 22.36 +53 54 30.1 o H21
2011-11-05 00:18:56 C 21 43 22.22 +53 54 44.4 o H21
2011-11-05 00:22:55 C 21 43 22.14 +53 54 58.8 o H21
2011-12-12 01:00:54 C 23 58 04.43 +77 53 55.5 o H21
2011-12-12 01:11:02 C 23 58 08.50 +77 53 59.6 o H21
2011-12-12 01:31:16 C 23 58 16.40 +77 54 07.1 o H21