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
2011-10-16 19:02:28 C 22 08 55.13 +08 47 54.7 o 046
2011-10-16 19:04:20 C 22 08 55.01 +08 48 07.9 o 046
2011-10-16 20:37:40 C 22 08 45.80 +09 00 26.1 c 560
2011-10-16 20:39:20 C 22 08 45.64 +09 00 39.0 c 560
2011-10-16 20:40:10 C 22 08 45.58 +09 00 45.8 c 560
2011-10-17 03:00:40 C 22 08 14.22 +09 50 50.2 o G48
2011-10-17 03:01:59 C 22 08 14.08 +09 51 00.5 o G48
2011-10-17 03:06:02 C 22 08 13.66 +09 51 32.1 o G48
2011-10-17 03:30:48 C 22 08 11.30 +09 54 46.5 o 291
2011-10-17 03:31:41 C 22 08 11.23 +09 54 53.4 o 291
2011-10-17 03:32:33 C 22 08 11.12 +09 55 00.3 o 291
2011-10-17 18:05:31 C 22 06 57.80 +11 48 52.2 u 160
2011-10-17 18:08:54 C 22 06 57.43 +11 49 18.3 u 160
2011-10-17 18:13:04 C 22 06 57.02 +11 49 50.4 u 160
2011-10-17 18:16:26 C 22 06 56.70 +11 50 16.9 u 160
2011-10-17 19:02:07 C 22 06 51.99 +11 56 09.8 o 046
2011-10-17 19:04:03 C 22 06 51.81 +11 56 25.0 o 046
2011-10-17 19:04:53 C 22 06 51.75 +11 56 31.6 o 046
2011-10-17 19:05:44 C 22 06 51.69 +11 56 38.2 o 046
2011-10-17 19:06:34 C 22 06 51.60 +11 56 44.8 o 046
2011-10-17 19:23:46 C 22 06 50.12 +11 59 02.5 c A53
2011-10-17 19:31:28 C 22 06 49.36 +12 00 03.5 c A53
2011-10-17 19:39:50 C 22 06 48.54 +12 01 08.5 c A53
2011-10-18 00:14:36 C 22 06 26.24 +12 36 57.3 u I15
2011-10-18 00:17:39 C 22 06 25.94 +12 37 21.0 u I15
2011-10-18 00:20:43 C 22 06 25.65 +12 37 45.0 u I15
2011-10-18 02:16:42 C 22 06 16.75 +12 52 58.8 o 291
2011-10-18 02:17:31 C 22 06 16.66 +12 53 05.2 o 291
2011-10-18 02:18:19 C 22 06 16.58 +12 53 11.3 o 291
2011-10-18 03:06:59 C 22 06 12.32 +12 59 24.7 t G56
2011-10-18 03:15:44 C 22 06 11.48 +13 00 32.8 t G56
2011-10-18 03:23:33 C 22 06 10.69 +13 01 34.1 t G56
2011-10-18 03:34:12 C 22 06 09.67 +13 02 56.8 t G56
2011-10-20 04:27:30 C 22 02 11.62 +19 17 43.1 o 291
2011-10-20 04:28:18 C 22 02 11.56 +19 17 49.2 o 291
2011-10-20 04:29:07 C 22 02 11.48 +19 17 55.0 o 291
2011-10-21 05:19:45 C 22 00 16.88 +22 21 53.2 r 703
2011-10-21 05:31:56 C 22 00 15.80 +22 23 21.3 r 703
2011-10-21 05:44:12 C 22 00 14.68 +22 24 50.2 r 703
2011-10-21 05:56:34 C 22 00 13.53 +22 26 20.5 r 703
2011-10-21 20:07:29 C 21 59 12.36 +24 08 35.2 o 046
2011-10-21 20:08:25 C 21 59 12.30 +24 08 42.1 o 046
2011-10-21 20:09:20 C 21 59 12.17 +24 08 49.9 o 046
2011-10-21 20:11:27 C 21 59 11.98 +24 09 04.9 o 046
2011-10-21 20:12:20 C 21 59 11.94 +24 09 12.1 o 046
2011-10-23 05:05:29 C 21 56 51.46 +27 59 15.9 r 703
2011-10-23 05:28:29 C 21 56 49.59 +28 01 51.2 r 703
2011-10-23 05:40:05 C 21 56 48.62 +28 03 09.6 r 703
2011-10-23 18:01:18 C 21 56 01.76 +29 26 13.6 c A53
2011-10-23 18:09:40 C 21 56 01.12 +29 27 09.8 c A53