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
2009-05-03 02:53:39 C 16 15 48.83 -14 21 52.5 r J75
2009-05-03 03:05:30 C 16 15 48.53 -14 21 48.8 r J75
2009-05-03 03:08:27 C 16 15 48.44 -14 21 47.8 r J75
2009-05-03 03:11:50 C 16 15 48.37 -14 21 46.5 r J75
2009-05-03 03:23:50 C 16 15 48.05 -14 21 43.2 r J75
2009-05-03 03:26:47 C 16 15 48.02 -14 21 41.7 r J75
2009-05-03 07:05:00 C 16 15 44.50 -14 19 57.8 c 808
2009-05-03 07:14:59 C 16 15 44.25 -14 19 54.8 c 808
2009-05-03 07:25:20 C 16 15 43.94 -14 19 52.6 c 808
2009-05-03 07:34:59 C 16 15 43.68 -14 19 48.0 c 808
2009-05-03 09:00:20 C 16 15 42.78 -14 19 59.4 17.6 c 704
2009-05-03 09:40:12 C 16 15 41.64 -14 19 46.7 18.0 c 704
2009-05-03 09:59:40 C 16 15 41.12 -14 19 40.4 17.7 c 704
2009-05-03 10:19:28 C 16 15 40.64 -14 19 34.1 17.5 c 704
2009-05-05 17:21:02 C 16 14 33.51 -14 02 53.5 r D29
2009-05-05 17:40:27 C 16 14 32.90 -14 02 47.1 r D29
2009-05-05 17:59:33 C 16 14 32.31 -14 02 40.9 r D29
2009-05-05 18:18:39 C 16 14 31.69 -14 02 35.3 r D29
2009-05-15 06:12:47 C 16 07 27.54 -12 57 01.6 o 691
2009-05-15 06:38:29 C 16 07 26.35 -12 56 55.3 o 691
2009-05-15 07:03:57 C 16 07 25.22 -12 56 48.2 o 691
2009-05-15 23:08:06 C 16 06 47.29 -12 52 42.9 18.0 r C20
2009-05-16 22:46:34 C 16 05 52.39 -12 46 43.1 17.3 r C20
2009-05-17 22:39:26 C 16 04 55.72 -12 40 51.0 17.6 r C20
2009-05-18 23:07:00 C 16 03 56.49 -12 35 03.8 17.5 r C20
2009-05-21 05:12:00 C 16 01 44.27 -12 22 26.4 r 808
2009-05-21 05:26:09 C 16 01 43.60 -12 22 23.7 r 808
2009-05-21 05:37:00 C 16 01 43.05 -12 22 21.1 r 808
2009-05-21 14:57:48 C 16 01 21.10 -12 21 03.8 r D29
2009-05-21 15:16:09 C 16 01 20.16 -12 21 00.2 r D29
2009-05-21 15:33:49 C 16 01 19.27 -12 20 56.7 r D29
2009-05-21 15:51:47 C 16 01 18.37 -12 20 53.1 r D29
2009-05-23 22:33:00 C 15 59 02.34 -12 10 33.7 17.4 r C20
2009-05-26 05:04:01 C 15 56 51.62 -12 01 39.1 o 691
2009-05-26 05:39:25 C 15 56 49.91 -12 01 34.3 o 691
2009-05-26 06:04:52 C 15 56 48.68 -12 01 30.8 o 691
2009-05-28 19:43:10 C 15 54 24.83 -11 53 41.0 17.8 r C20
2009-05-30 19:43:38 C 15 52 39.43 -11 49 04.8 17.9 r C20
2009-06-01 19:29:10 C 15 51 01.96 -11 45 53.6 17.8 r C20
2009-06-04 22:33:27 C 15 48 45.46 -11 43 43.7 r B67
2009-06-04 22:44:55 C 15 48 45.08 -11 43 43.7 r B67
2009-06-04 22:56:21 C 15 48 44.64 -11 43 43.6 r B67
2009-06-10 20:01:10 C 15 45 36.96 -11 48 53.2 18.5 r C20
2009-06-10 22:00:13 C 15 45 35.43 -11 49 01.1 c J08
2009-06-11 02:53:59 C 15 45 30.50 -11 48 48.0 r 808
2009-06-11 03:07:10 C 15 45 30.22 -11 48 49.2 r 808
2009-06-11 03:19:20 C 15 45 29.92 -11 48 50.4 r 808
2009-06-11 19:27:54 C 15 45 15.38 -11 50 52.6 18.2 r C20
2009-06-12 21:32:22 C 15 44 54.53 -11 53 29.5 r A16
2009-06-12 21:53:42 C 15 44 54.11 -11 53 31.4 r A16