2011 AL1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5028891722 ± 5.78e-08
Semi-major axis (a)1.9280789559 AU ± 6.70e-09
Inclination (i)36.67985699° ± 3.47e-05
Long. of Asc. Node (Ω)95.37211247° ± 8.05e-06
Arg. of Perihelion (ω)317.56549388° ± 2.05e-05
Mean Anomaly (M)213.66695030° ± 1.31e-05
Mean Motion (n)0.3681502115°/day ± 1.92e-09
Perihelion dist (q)0.95846893 AU ± 1.11e-07
Aphelion dist (Q)2.89768899 AU ± 1.12e-07
Orbital Period2.67723949 yr ± 1.40e-08
Physical Parameters
H (abs. magnitude)19.79
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.370″
Uncertainty0
Orbit TypeApollo
MOID0.061345 AU
Observations Used107
Oppositions5
Arc Total2011-2019
First Observation Used2011-01-03
Last Observation Used2019-01-27
Observations (126)
Date Type RA Dec Mag Band Observatory
2010-12-26 21:01:20 S 01 40 55.464 -31 40 34.82 L C51
2010-12-26 21:01:31 S 01 40 55.495 -31 40 33.82 L C51
2010-12-27 00:12:02 S 01 41 14.090 -31 07 28.63 L C51
2010-12-27 01:47:12 S 01 41 23.347 -30 50 50.64 L C51
2010-12-27 01:47:23 S 01 41 23.383 -30 50 49.63 L C51
2010-12-27 03:22:33 S 01 41 32.638 -30 34 07.00 L C51
2010-12-27 04:57:54 S 01 41 41.899 -30 17 19.46 L C51
2010-12-27 06:33:04 S 01 41 51.084 -30 00 29.20 L C51
2010-12-27 06:33:15 S 01 41 51.134 -30 00 27.97 L C51
2010-12-27 08:08:25 S 01 42 00.38 -29 43 34.0 L C51
2010-12-27 11:18:56 S 01 42 18.82 -29 09 31.3 L C51
2010-12-27 11:19:07 S 01 42 18.88 -29 09 30.9 L C51
2011-01-03 03:14:08 C 01 57 21.83 +02 43 49.1 17.8 c 704
2011-01-03 03:33:17 C 01 57 23.39 +02 47 39.0 18.2 c 704
2011-01-03 03:52:29 C 01 57 25.01 +02 51 28.1 17.5 c 704
2011-01-03 04:11:49 C 01 57 26.49 +02 55 20.7 18.1 c 704
2011-01-03 04:30:57 C 01 57 28.17 +02 59 10.5 18.0 c 704
2011-01-04 01:39:23 C 01 59 29.22 +07 08 54.7 17.9 c 704
2011-01-04 01:58:32 C 01 59 30.84 +07 12 37.5 18.0 c 704
2011-01-04 02:17:41 C 01 59 32.39 +07 16 20.1 18.1 c 704
2011-01-04 02:36:49 C 01 59 33.88 +07 20 01.2 18.2 c 704
2011-01-04 02:55:58 C 01 59 35.45 +07 23 43.6 18.0 c 704
2011-01-04 03:18:23 C 01 59 37.28 +07 28 02.3 17.9 c 704
2011-01-04 03:37:24 C 01 59 38.83 +07 31 42.0 18.2 c 704
2011-01-04 03:56:32 C 01 59 40.42 +07 35 23.6 18.2 c 704
2011-01-04 04:15:33 C 01 59 41.99 +07 39 04.2 18.2 c 704
2011-01-04 04:34:31 C 01 59 43.57 +07 42 42.4 18.2 c 704
2011-01-04 05:43:08 C 01 59 49.48 +07 55 53.6 r 703
2011-01-04 05:43:35 C 01 59 49.52 +07 55 58.9 r 703
2011-01-04 05:44:03 C 01 59 49.56 +07 56 04.4 r 703
2011-01-04 05:44:32 C 01 59 49.63 +07 56 09.8 r 703
2011-01-04 05:45:46 C 01 59 49.70 +07 56 24.6 r 703
2011-01-04 05:46:14 C 01 59 49.77 +07 56 29.6 r 703
2011-01-04 05:46:42 C 01 59 49.81 +07 56 35.4 r 703
2011-01-04 05:47:11 C 01 59 49.84 +07 56 40.3 r 703
2011-01-04 07:01:20 C 01 59 56.35 +08 10 52.1 c 854
2011-01-04 07:04:35 C 01 59 56.58 +08 11 30.2 c 854
2011-01-04 09:56:30 C 02 00 15.78 +08 44 22.6 o 300
2011-01-04 09:57:52 C 02 00 15.90 +08 44 38.8 o 300
2011-01-04 09:59:15 C 02 00 16.05 +08 44 54.8 o 300
2011-01-04 10:00:38 C 02 00 16.14 +08 45 10.5 o 300
2011-01-04 10:14:09 C 02 00 17.08 +08 47 45.4 u 900
2011-01-04 10:16:32 C 02 00 17.31 +08 48 11.8 u 900
2011-01-04 10:45:14 C 02 00 19.64 +08 53 40.2 u 900
2011-01-04 10:55:46 C 02 00 20.50 +08 55 39.9 u 900
2011-01-05 00:03:33 C 02 01 36.19 +11 23 28.6 o H21
2011-01-05 00:06:08 C 02 01 36.41 +11 23 57.4 o H21
2011-01-05 00:08:43 C 02 01 36.61 +11 24 25.8 o H21
2011-01-05 03:22:24 C 02 01 53.51 +12 00 16.3 18.5 c 704
2011-01-05 03:41:15 C 02 01 55.04 +12 03 42.8 18.8 c 704