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
2012-01-20 10:35:43 C 08 01 33.49 +15 35 22.5 r G96
2012-01-20 10:38:11 C 08 01 33.31 +15 35 23.3 r G96
2012-01-20 10:40:42 C 08 01 33.13 +15 35 24.0 r G96
2012-01-23 06:54:32 C 07 56 39.53 +15 55 30.7 18.6 c 704
2012-01-23 07:31:39 C 07 56 36.73 +15 55 42.3 18.3 c 704
2012-01-23 07:50:17 C 07 56 35.22 +15 55 48.0 18.7 c 704
2012-01-25 07:10:11 C 07 53 12.314 +16 10 15.96 L F51
2012-01-25 07:29:18 C 07 53 10.844 +16 10 22.16 L F51
2012-01-30 03:39:07 C 07 45 04.68 +16 46 26.6 18.7 c 704
2012-01-30 03:57:10 C 07 45 03.37 +16 46 32.1 18.3 c 704
2012-01-30 04:33:17 C 07 45 00.81 +16 46 43.5 18.5 c 704
2012-01-30 04:52:18 C 07 44 59.46 +16 46 50.1 18.6 c 704
2012-02-02 01:41:32 C 07 40 31.47 +17 08 10.1 u I17
2012-02-02 02:16:24 C 07 40 29.09 +17 08 21.6 u I17
2012-02-02 02:42:01 C 07 40 27.45 +17 08 30.6 u I17
2012-02-10 06:16:03 C 07 29 57.968 +18 06 34.72 L F51
2012-02-10 06:35:03 C 07 29 57.034 +18 06 40.32 L F51
2012-02-15 07:04:57 C 07 25 30.14 +18 38 48.1 19.3 c 704
2012-02-15 07:22:33 C 07 25 29.53 +18 38 51.1 19.4 c 704
2012-02-15 07:40:12 C 07 25 28.94 +18 38 57.3 19.3 c 704
2012-02-15 07:57:50 C 07 25 28.40 +18 39 00.9 19.5 c 704
2012-02-15 08:15:24 C 07 25 27.76 +18 39 05.1 19.4 c 704
2012-03-15 04:19:32 C 07 34 39.78 +20 24 39.2 19.7 c 704
2012-03-15 04:51:37 C 07 34 41.31 +20 24 41.4 20.2 c 704
2012-03-15 05:07:41 C 07 34 42.09 +20 24 41.1 19.7 c 704
2012-04-17 03:46:36 C 08 37 17.31 +18 59 15.0 r 290
2012-04-17 03:53:04 C 08 37 18.00 +18 59 13.0 r 290
2012-04-17 03:59:32 C 08 37 18.53 +18 59 11.4 r 290
2012-04-17 04:06:00 C 08 37 19.17 +18 59 10.1 r 290
2012-04-17 04:12:27 C 08 37 19.79 +18 59 08.9 r 290
2012-04-17 04:18:55 C 08 37 20.45 +18 59 06.5 r 290
2012-04-17 04:25:24 C 08 37 21.08 +18 59 04.6 r 290
2012-04-17 04:31:52 C 08 37 21.71 +18 59 02.2 r 290
2014-09-02 09:12:57 C 03 35 01.42 +18 09 25.0 q G96
2014-09-02 09:24:08 C 03 35 02.17 +18 09 26.6 q G96
2014-09-02 09:35:18 C 03 35 02.92 +18 09 28.4 q G96
2014-09-02 09:46:28 C 03 35 03.59 +18 09 29.6 q G96
2014-09-29 00:26:13 C 04 05 53.94 +18 36 38.3 u B67
2014-09-29 01:38:00 C 04 05 55.58 +18 36 34.4 u B67
2014-09-29 02:49:47 C 04 05 57.23 +18 36 30.7 u B67
2014-10-18 08:54:06 C 04 07 16.85 +17 36 19.8 q G96
2014-10-18 09:01:54 C 04 07 16.64 +17 36 18.4 q G96
2014-10-18 09:09:43 C 04 07 16.45 +17 36 16.5 q G96
2014-10-18 09:17:32 C 04 07 16.24 +17 36 15.2 q G96
2014-10-23 07:45:57 C 04 03 54.05 +17 09 38.7 R G45
2014-10-23 08:03:42 C 04 03 53.36 +17 09 34.4 R G45
2014-10-23 08:20:58 C 04 03 52.65 +17 09 30.2 R G45
2014-10-23 08:37:34 C 04 03 51.98 +17 09 27.0 R G45
2014-10-23 08:53:43 C 04 03 51.35 +17 09 22.5 R G45
2014-10-24 07:36:43 C 04 03 01.89 +17 03 45.2 R G45