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
2017-08-27 18:02:18 C 00 07 25.88 +01 41 02.5 q D29
2017-09-11 00:47:19 C 23 49 25.52 -01 05 08.9 P J43
2017-09-11 00:59:48 C 23 49 24.68 -01 05 15.7 P J43
2017-09-11 01:12:18 C 23 49 23.89 -01 05 22.8 P J43
2017-09-11 01:24:42 C 23 49 23.06 -01 05 29.2 P J43
2017-09-12 15:43:34 C 23 47 01.65 -01 26 34.0 q D29
2017-09-12 16:06:29 C 23 47 00.21 -01 26 45.9 q D29
2017-09-12 16:29:23 C 23 46 58.65 -01 26 58.5 q D29
2017-09-14 10:12:33 C 23 44 22.72 -01 50 00.5 L T05
2017-09-14 10:22:18 C 23 44 22.08 -01 50 05.9 L T05
2017-09-14 10:32:49 C 23 44 21.36 -01 50 11.9 L T05
2017-09-14 10:42:34 C 23 44 20.70 -01 50 17.1 L T05
2017-09-15 12:20:19 C 23 42 43.79 -02 04 29.4 L T05
2017-09-15 12:35:12 C 23 42 42.78 -02 04 37.9 L T05
2017-09-15 12:49:57 C 23 42 41.81 -02 04 46.1 L T05
2017-09-15 13:04:58 C 23 42 40.78 -02 04 54.2 L T05
2017-09-16 09:58:33 C 23 41 23.15 -02 16 28.2 L T08
2017-09-16 10:01:31 C 23 41 22.93 -02 16 28.7 L T08
2017-09-16 10:08:17 C 23 41 22.51 -02 16 32.4 L T08
2017-09-16 10:11:08 C 23 41 22.34 -02 16 35.3 L T08
2017-09-16 10:27:45 C 23 41 21.19 -02 16 43.9 L T08
2017-09-16 10:30:25 C 23 41 20.97 -02 16 45.9 L T08
2017-09-17 09:14:59 C 23 39 56.023 -02 29 18.08 L F51
2017-09-17 09:31:52 C 23 39 54.877 -02 29 27.36 L F51
2017-09-17 09:48:42 C 23 39 53.726 -02 29 36.66 L F51
2017-09-17 10:05:38 C 23 39 52.578 -02 29 45.93 L F51
2017-09-22 09:29:23 C 23 32 34.35 -03 33 54.3 L T05
2017-09-22 09:39:27 C 23 32 33.71 -03 34 00.0 L T05
2017-09-22 09:52:02 C 23 32 32.90 -03 34 06.2 L T05
2017-09-22 10:04:58 C 23 32 32.04 -03 34 13.8 L T05
2017-09-25 06:11:18 C 23 28 36.40 -04 08 44.7 q 703
2017-09-25 06:19:01 C 23 28 35.90 -04 08 48.8 q 703
2017-09-25 06:34:23 C 23 28 35.01 -04 08 56.1 q 703
2017-09-25 06:42:09 C 23 28 34.57 -04 09 00.1 q 703
2017-09-25 09:16:44 C 23 28 26.073 -04 10 12.23 L F51
2017-09-25 09:32:02 C 23 28 25.137 -04 10 19.72 L F51
2017-09-25 09:47:17 C 23 28 24.205 -04 10 27.16 L F51
2017-09-25 10:02:34 C 23 28 23.270 -04 10 34.66 L F51
2017-09-28 10:13:56 C 23 24 31.155 -04 44 34.41 L F51
2017-09-28 10:30:54 C 23 24 30.201 -04 44 42.05 L F51
2017-09-28 10:47:49 C 23 24 29.250 -04 44 49.65 L F51
2017-09-28 11:04:45 C 23 24 28.299 -04 44 57.25 L F51
2017-09-29 03:46:20 C 23 23 38.91 -04 52 27.4 q 703
2017-09-29 03:55:41 C 23 23 38.41 -04 52 30.9 q 703
2017-09-29 04:04:54 C 23 23 37.90 -04 52 35.1 q 703
2017-09-29 04:14:06 C 23 23 37.50 -04 52 38.4 q 703
2017-09-30 09:14:24 C 23 22 11.76 -05 05 08.3 L T05
2017-09-30 09:17:23 C 23 22 11.57 -05 05 09.8 L T05
2017-09-30 09:23:32 C 23 22 11.27 -05 05 12.8 L T05
2017-09-30 09:32:45 C 23 22 10.79 -05 05 16.2 L T05