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
2011-01-21 01:15:18 C 02 42 30.23 +52 32 08.2 o H21
2011-01-21 01:21:14 C 02 42 30.88 +52 32 26.3 o H21
2011-01-21 01:29:28 C 02 42 31.84 +52 32 52.1 o H21
2011-01-22 02:25:04 C 02 45 37.01 +53 46 46.3 o H21
2011-01-22 02:30:47 C 02 45 37.66 +53 47 02.1 o H21
2011-01-22 02:36:44 C 02 45 38.33 +53 47 18.9 o H21
2011-01-25 03:55:41 C 02 55 07.70 +56 54 12.8 o H21
2011-01-25 03:58:45 C 02 55 08.09 +56 54 19.7 o H21
2011-01-25 04:08:55 C 02 55 09.36 +56 54 42.2 o H21
2018-06-10 13:15:38 C 20 48 19.419 -30 01 34.36 V F51
2018-06-10 13:31:28 C 20 48 19.481 -30 01 50.80 V F51
2018-06-10 13:47:17 C 20 48 19.546 -30 02 06.42 V F51
2018-06-10 14:03:04 C 20 48 19.639 -30 02 21.76 V F51
2018-06-17 12:37:00 C 20 48 39.400 -33 00 54.76 V F51
2018-06-17 12:53:48 C 20 48 39.303 -33 01 14.72 V F51
2018-06-23 12:25:40 C 20 47 15.994 -35 59 03.46 V F51
2018-06-23 12:38:05 C 20 47 15.771 -35 59 20.05 V F51
2018-06-23 12:50:30 C 20 47 15.541 -35 59 36.73 V F51
2019-01-27 05:25:51 C 02 11 09.187 +31 22 24.02 U F52
2019-01-27 05:41:46 C 02 11 11.318 +31 23 26.16 U F52
2019-01-27 05:57:41 C 02 11 13.458 +31 24 27.62 U F52
2019-01-27 06:13:41 C 02 11 15.575 +31 25 30.13 U F52
2019-01-27 18:54:41 C 02 13 02.12 +32 14 21.2 V J95
2019-01-27 19:12:24 C 02 13 04.50 +32 15 28.1 V J95
2019-01-27 19:24:59 C 02 13 06.23 +32 16 16.0 V J95
2019-01-27 19:33:39 C 02 13 07.43 +32 16 48.5 V J95