138911 (2001 AE2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0816853811 ± 4.72e-02
Semi-major axis (a)1.3496268315 AU ± 6.73e-03
Inclination (i)1.66226896° ± 1.92e+00
Long. of Asc. Node (Ω)171.42797801° ± 1.22e+02
Arg. of Perihelion (ω)43.22625943° ± 1.25e+02
Mean Anomaly (M)210.90030209° ± 3.06e+01
Mean Motion (n)0.6286251041°/day ± 4.70e-03
Perihelion dist (q)1.23938205 AU ± 6.41e-02
Aphelion dist (Q)1.45987161 AU ± 6.42e-02
Orbital Period1.56790793 yr ± 1.17e-02
NGA Modelr2
A2-2.33649079e-06 AU/d²
Physical Parameters
H (abs. magnitude)19.45
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-27
RMS Residual0.328″
Uncertainty0
Orbit TypeAmor
MOID0.233073 AU
Observations Used992
Oppositions15
Arc Total1984-2026
First Observation Used1984-08-02
Last Observation Used2026-01-12
Observations (1055)
Date Type RA Dec Mag Band Observatory
2017-09-30 09:34:43 C 23 22 10.66 -05 05 17.3 L T05
2017-09-30 09:36:42 C 23 22 10.58 -05 05 17.7 L T05
2017-10-11 04:36:00 C 23 12 38.36 -06 32 26.3 U 703
2017-10-11 04:43:44 C 23 12 38.18 -06 32 29.3 U 703
2017-10-11 04:51:30 C 23 12 37.89 -06 32 29.8 U 703
2017-10-11 04:59:19 C 23 12 37.69 -06 32 32.1 U 703
2017-10-19 05:15:54 C 23 09 32.67 -07 06 17.6 o 691
2017-10-19 05:48:55 C 23 09 32.31 -07 06 21.1 o 691
2017-10-19 06:20:47 C 23 09 31.98 -07 06 24.7 o 691
2017-10-19 08:14:02 C 23 09 31.499 -07 06 33.92 L F51
2017-10-19 08:29:11 C 23 09 31.269 -07 06 35.95 L F51
2017-10-19 08:44:19 C 23 09 31.173 -07 06 36.83 L F51
2017-11-13 06:36:14 C 23 20 36.951 -06 19 19.81 L F51
2017-11-13 06:53:27 C 23 20 37.580 -06 19 15.67 L F51
2017-11-13 07:10:43 C 23 20 38.213 -06 19 11.56 L F51
2017-11-13 07:28:03 C 23 20 38.850 -06 19 07.44 L F51
2017-11-19 03:52:10 C 23 26 49.24 -05 41 52.5 U G96
2017-11-19 04:00:17 C 23 26 49.60 -05 41 50.3 U G96
2017-11-19 04:08:30 C 23 26 49.98 -05 41 48.0 U G96
2017-11-19 04:16:39 C 23 26 50.36 -05 41 45.6 U G96
2017-11-25 02:07:11 C 23 34 07.88 -04 56 17.2 U G96
2017-11-25 02:14:47 C 23 34 08.27 -04 56 15.2 U G96
2017-11-25 02:22:23 C 23 34 08.62 -04 56 12.5 U G96
2017-11-25 02:30:03 C 23 34 09.04 -04 56 09.9 U G96
2020-01-30 12:22:16 C 14 12 44.99 -13 41 14.2 V G96
2020-01-30 12:29:39 C 14 12 45.86 -13 41 18.0 V G96
2020-01-30 12:37:02 C 14 12 46.80 -13 41 22.5 V G96
2020-01-30 12:44:24 C 14 12 47.55 -13 41 25.9 V G96
2020-02-20 11:48:24 C 15 14 11.83 -17 28 48.8 V G96
2020-02-20 11:55:43 C 15 14 12.69 -17 28 51.6 V G96
2020-02-20 12:03:02 C 15 14 13.55 -17 28 54.0 V G96
2020-03-19 19:46:34 C 16 34 23.44 -19 51 40.1 q D29
2020-03-19 20:09:29 C 16 34 25.91 -19 51 41.2 q D29
2020-05-20 11:31:04 C 18 07 41.30 -16 09 52.9 V T05
2020-05-20 11:35:41 C 18 07 41.22 -16 09 52.0 V T05
2020-05-20 11:39:38 C 18 07 41.16 -16 09 51.0 V T05
2020-05-20 12:14:49 C 18 07 40.56 -16 09 44.6 V T05
2020-05-23 11:32:27 C 18 06 50.16 -15 56 57.5 V T08
2020-05-23 11:36:29 C 18 06 50.05 -15 56 56.8 V T08
2020-05-23 11:43:48 C 18 06 49.89 -15 56 55.7 V T08
2020-05-23 11:51:46 C 18 06 49.66 -15 56 54.6 V T08
2020-05-25 11:22:57 C 18 05 57.40 -15 49 10.4 V T05
2020-05-25 11:27:36 C 18 05 57.25 -15 49 09.4 V T05
2020-05-25 11:31:33 C 18 05 57.16 -15 49 08.8 V T05
2020-05-26 11:42:43 C 18 05 24.84 -15 45 27.9 V T08
2020-05-26 11:46:41 C 18 05 24.65 -15 45 27.4 V T08
2020-05-26 12:33:33 C 18 05 23.13 -15 45 20.4 V T08
2020-05-26 12:40:53 C 18 05 22.92 -15 45 19.5 V T08
2020-06-01 12:00:08 C 18 01 03.46 -15 27 36.0 V T05
2020-06-01 12:28:55 C 18 01 02.17 -15 27 33.2 V T05