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
1984-08-02 13:39:24 21 13 28.34 -11 42 45.2 260
1984-08-02 14:29:23 21 13 25.13 -11 43 06.9 260
1992-10-03 09:29:59 02 40 08.54 +13 07 25.9 261
1992-10-03 10:20:00 02 40 06.41 +13 07 09.2 261
1992-10-20 09:17:55 C 02 17 51.21 +10 22 26.3 a 691
1992-10-20 10:36:52 C 02 17 45.57 +10 21 49.4 a 691
1992-10-20 11:07:57 C 02 17 43.38 +10 21 35.0 a 691
1998-04-21 07:03:57 C 14 14 33.49 -07 33 12.1 17.7 a 704
1998-04-21 07:32:54 C 14 14 32.23 -07 32 59.7 a 704
1998-04-21 08:02:07 C 14 14 30.98 -07 32 47.7 a 704
1998-04-21 08:31:09 C 14 14 29.79 -07 32 35.0 a 704
1998-04-21 09:00:58 C 14 14 28.50 -07 32 20.9 a 704
1998-04-22 06:08:49 C 14 13 46.31 -07 23 03.8 a 704
1998-04-22 06:35:59 C 14 13 45.21 -07 22 52.4 a 704
1998-04-22 07:03:10 C 14 13 43.93 -07 22 40.3 a 704
1998-04-22 07:30:25 C 14 13 42.88 -07 22 28.9 a 704
1998-04-22 07:57:56 C 14 13 41.61 -07 22 17.2 a 704
1998-04-30 11:45:04 C 14 06 50.02 -06 03 08.4 c 566
1998-04-30 12:14:31 C 14 06 48.78 -06 02 57.3 c 566
1998-04-30 12:44:29 C 14 06 47.55 -06 02 46.3 c 566
1998-05-01 06:25:54 C 14 06 13.84 -05 56 41.4 18.1 a 704
1998-05-01 06:53:02 C 14 06 12.78 -05 56 31.0 18.3 a 704
1998-05-01 07:20:12 C 14 06 11.56 -05 56 20.6 18.3 a 704
1998-05-01 07:47:28 C 14 06 10.43 -05 56 12.3 18.3 a 704
1998-05-01 08:14:42 C 14 06 09.30 -05 56 02.8 18.5 a 704
2001-01-02 07:06:57 C 07 12 31.61 +17 01 57.5 19.0 c 704
2001-01-02 07:28:10 C 07 12 29.84 +17 02 00.4 18.4 c 704
2001-01-02 07:50:31 C 07 12 28.06 +17 02 03.0 18.1 c 704
2001-01-03 07:04:47 C 07 10 45.90 +17 05 20.6 18.1 c 704
2001-01-03 07:13:57 C 07 10 45.13 +17 05 21.5 18.3 c 704
2001-01-03 07:20:21 C 07 10 44.59 +17 05 22.2 18.5 c 704
2001-01-03 07:28:06 C 07 10 43.96 +17 05 23.2 18.5 c 704
2001-01-03 07:35:10 C 07 10 43.44 +17 05 24.4 18.5 c 704
2001-01-03 07:41:33 C 07 10 42.90 +17 05 25.4 18.6 c 704
2001-01-03 07:50:02 C 07 10 42.27 +17 05 26.1 18.6 c 704
2001-01-03 07:56:24 C 07 10 41.77 +17 05 27.2 18.7 c 704
2001-01-03 08:02:46 C 07 10 41.22 +17 05 28.7 18.7 c 704
2001-01-03 08:12:00 C 07 10 40.49 +17 05 29.1 18.5 c 704
2001-01-03 08:17:49 C 07 10 39.99 +17 05 30.5 18.6 c 704
2001-01-03 08:24:12 C 07 10 39.51 +17 05 30.7 19.1 c 704
2001-01-03 08:33:57 C 07 10 38.74 +17 05 32.4 18.5 c 704
2001-01-03 08:39:02 C 07 10 38.35 +17 05 33.2 18.4 c 704
2001-01-03 08:45:25 C 07 10 37.84 +17 05 33.6 18.8 c 704
2001-01-03 08:55:14 C 07 10 37.17 +17 05 34.9 684
2001-01-03 09:00:59 C 07 10 36.69 +17 05 35.8 684
2001-01-03 09:05:38 C 07 10 36.35 +17 05 36.5 684
2001-01-03 09:30:55 C 07 10 34.34 +17 05 40.0 684
2001-01-03 09:34:50 C 07 10 34.01 +17 05 40.4 684
2001-01-03 20:41:59 C 07 09 45.74 +17 07 12.8 151
2001-01-03 20:46:32 C 07 09 45.40 +17 07 12.7 151