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
2006-09-26 03:57:38 C 22 29 21.65 -09 45 03.5 o 693
2006-09-26 04:04:07 C 22 29 21.43 -09 45 05.5 o 693
2006-09-26 04:05:36 C 22 29 21.38 -09 45 05.8 o 693
2006-09-26 05:40:49 C 22 29 18.16 -09 45 34.9 r G96
2006-09-26 05:50:28 C 22 29 17.80 -09 45 37.9 r G96
2006-09-26 06:00:14 C 22 29 17.48 -09 45 40.7 r G96
2006-09-26 06:10:10 C 22 29 17.16 -09 45 43.8 r G96
2006-09-27 04:02:40 C 22 28 40.59 -09 52 06.5 19.2 c 704
2006-09-27 04:20:37 C 22 28 39.98 -09 52 10.3 19.1 c 704
2006-09-27 04:38:20 C 22 28 39.44 -09 52 15.2 19.0 c 704
2006-09-27 04:56:09 C 22 28 38.78 -09 52 20.0 19.4 c 704
2006-10-09 03:37:04 C 22 24 51.42 -10 45 25.6 o 644
2006-10-09 04:06:15 C 22 24 51.33 -10 45 28.2 o 644
2006-10-09 04:35:24 C 22 24 51.22 -10 45 30.5 o 644
2006-11-17 02:59:02 C 22 57 27.03 -08 20 22.7 r G96
2006-11-17 03:07:46 C 22 57 27.54 -08 20 19.6 r G96
2006-11-17 03:16:37 C 22 57 28.00 -08 20 16.6 r G96
2006-11-17 03:25:36 C 22 57 28.54 -08 20 13.0 r G96
2009-01-02 12:25:05 C 12 30 36.94 -04 48 25.9 o 691
2009-01-02 12:43:55 C 12 30 38.97 -04 48 38.1 o 691
2009-01-02 13:02:46 C 12 30 40.95 -04 48 50.7 o 691
2009-01-20 12:08:32 C 13 17 33.28 -09 16 19.8 r G96
2009-01-20 12:16:54 C 13 17 34.18 -09 16 24.4 r G96
2009-01-20 12:25:25 C 13 17 35.05 -09 16 29.3 r G96
2009-01-20 12:33:49 C 13 17 35.95 -09 16 34.3 r G96
2009-01-30 11:46:48 C 13 43 31.44 -11 28 09.2 r G96
2009-01-30 11:55:28 C 13 43 32.30 -11 28 14.0 r G96
2009-01-30 12:04:24 C 13 43 33.24 -11 28 18.1 r G96
2009-01-30 12:13:02 C 13 43 34.17 -11 28 22.6 r G96
2009-02-20 03:54:54 C 14 36 08.11 -15 05 06.4 r 493
2009-02-20 04:12:24 C 14 36 09.87 -15 05 12.8 r 493
2009-02-20 04:30:00 C 14 36 11.59 -15 05 18.6 r 493
2009-03-28 10:15:36 C 15 53 16.08 -17 18 55.5 19.4 c 704
2009-03-28 10:33:32 C 15 53 17.14 -17 18 55.1 19.2 c 704
2009-03-28 10:52:31 C 15 53 18.27 -17 18 53.7 19.0 c 704
2009-03-28 11:11:15 C 15 53 19.27 -17 18 51.7 19.3 c 704
2009-04-22 10:43:01 C 16 17 00.67 -15 36 53.0 r G96
2009-04-22 10:50:57 C 16 17 00.67 -15 36 50.8 r G96
2009-04-22 10:58:33 C 16 17 00.67 -15 36 48.7 r G96
2009-04-22 11:06:29 C 16 17 00.70 -15 36 46.5 r G96
2009-04-27 18:06:39 C 16 17 16.75 -15 00 36.9 r D29
2009-04-27 18:26:10 C 16 17 16.50 -15 00 31.0 r D29
2009-04-27 18:44:17 C 16 17 16.25 -15 00 25.6 r D29
2009-04-27 19:02:30 C 16 17 16.00 -15 00 19.9 r D29
2009-04-29 07:18:00 C 16 17 01.30 -14 48 57.4 c 808
2009-04-29 07:39:00 C 16 17 00.94 -14 48 51.0 c 808
2009-05-01 23:46:24 C 16 16 15.44 -14 30 09.9 18.1 r C20
2009-05-03 02:35:32 C 16 15 49.29 -14 21 58.3 r J75
2009-05-03 02:47:17 C 16 15 48.99 -14 21 54.8 r J75
2009-05-03 02:50:15 C 16 15 48.93 -14 21 53.4 r J75