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
2011-01-05 04:01:12 C 02 01 56.77 +12 07 24.5 18.9 c 704
2011-01-05 17:45:57 C 02 03 16.51 +14 36 03.8 o 046
2011-01-05 17:48:14 C 02 03 16.64 +14 36 26.7 o 046
2011-01-05 17:50:21 C 02 03 16.97 +14 36 50.7 o 046
2011-01-05 17:54:29 C 02 03 17.35 +14 37 33.9 o 046
2011-01-05 17:55:32 C 02 03 17.34 +14 37 46.1 o 046
2011-01-05 17:57:40 C 02 03 17.58 +14 38 07.4 o 046
2011-01-06 01:44:04 C 02 04 02.22 +16 00 18.6 18.4 c 704
2011-01-06 02:03:14 C 02 04 03.80 +16 03 39.2 18.5 c 704
2011-01-06 02:22:46 C 02 04 05.40 +16 07 01.4 18.5 c 704
2011-01-06 02:42:46 C 02 04 07.06 +16 10 30.4 18.7 c 704
2011-01-06 03:03:05 C 02 04 08.75 +16 14 00.9 18.6 c 704
2011-01-08 21:28:24 C 02 10 33.65 +26 41 40.5 t B03
2011-01-08 21:59:56 C 02 10 36.54 +26 46 06.8 t B03
2011-01-08 22:16:29 C 02 10 38.13 +26 48 25.3 t B03
2011-01-08 22:30:16 C 02 10 39.43 +26 50 22.3 t B03
2011-01-08 23:45:22 C 02 10 49.70 +27 01 12.3 o H20
2011-01-08 23:48:28 C 02 10 50.01 +27 01 38.7 o H20
2011-01-08 23:51:33 C 02 10 50.26 +27 02 05.0 o H20
2011-01-08 23:54:40 C 02 10 50.56 +27 02 31.1 o H20
2011-01-09 01:17:13 C 02 10 57.75 +27 14 04.8 o H21
2011-01-09 01:21:51 C 02 10 58.16 +27 14 43.8 o H21
2011-01-09 01:23:52 C 02 10 58.40 +27 14 58.2 o H26
2011-01-09 01:25:18 C 02 10 58.52 +27 15 10.4 o H26
2011-01-09 01:26:32 C 02 10 58.55 +27 15 23.1 o H21
2011-01-09 01:26:41 C 02 10 58.62 +27 15 21.5 o H26
2011-01-09 01:28:03 C 02 10 58.77 +27 15 33.3 o H26
2011-01-09 01:29:22 C 02 10 58.87 +27 15 44.5 o H26
2011-01-09 01:30:43 C 02 10 59.01 +27 15 55.7 o H26
2011-01-09 01:31:08 C 02 10 58.95 +27 16 01.4 o H21
2011-01-09 01:35:50 C 02 10 59.36 +27 16 40.7 o H21
2011-01-09 01:40:46 C 02 10 59.79 +27 17 22.1 o H21
2011-01-10 00:11:01 C 02 13 14.21 +30 18 51.5 u I15
2011-01-10 00:15:54 C 02 13 14.65 +30 19 29.3 u I15
2011-01-10 00:25:46 C 02 13 15.54 +30 20 45.0 u I15
2011-01-11 22:05:25 C 02 17 52.19 +35 47 24.1 v 204
2011-01-11 22:44:30 C 02 17 56.04 +35 51 38.6 v 204
2011-01-11 22:51:31 C 02 17 56.74 +35 52 24.3 v 204
2011-01-15 18:40:33 C 02 27 46.03 +44 26 24.8 u 160
2011-01-15 18:43:31 C 02 27 46.39 +44 26 39.3 u 160
2011-01-15 18:46:28 C 02 27 46.73 +44 26 53.5 u 160
2011-01-16 17:39:19 C 02 30 20.44 +46 10 50.5 u 160
2011-01-16 17:42:04 C 02 30 20.69 +46 11 02.1 u 160
2011-01-16 17:44:49 C 02 30 20.95 +46 11 13.7 u 160
2011-01-16 18:09:23 C 02 30 23.55 +46 12 58.2 r A17
2011-01-16 18:25:18 C 02 30 25.22 +46 14 07.3 r A17
2011-01-16 18:40:25 C 02 30 26.74 +46 15 13.1 r A17
2011-01-17 01:40:52 C 02 31 13.89 +46 45 24.1 o H21
2011-01-17 01:44:06 C 02 31 14.19 +46 45 37.8 o H21
2011-01-17 01:47:21 C 02 31 14.53 +46 45 51.6 o H21