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
2009-06-12 22:15:00 C 15 44 53.75 -11 53 34.0 r A16
2009-06-12 22:36:16 C 15 44 53.31 -11 53 36.7 r A16
2009-06-13 09:53:40 C 15 44 46.81 -11 54 10.4 r E17
2009-06-13 10:04:10 C 15 44 46.61 -11 54 11.8 r E17
2009-06-13 10:14:39 C 15 44 46.43 -11 54 13.1 r E17
2011-12-09 05:03:49 C 08 32 19.35 +14 33 55.0 o 807
2011-12-09 05:12:45 C 08 32 19.53 +14 33 54.0 o 807
2011-12-09 05:21:39 C 08 32 19.68 +14 33 52.6 o 807
2011-12-09 05:30:33 C 08 32 19.81 +14 33 50.7 o 807
2011-12-28 02:17:09 C 08 31 21.23 +13 58 33.5 t 130
2011-12-28 02:20:03 C 08 31 21.14 +13 58 33.5 t 130
2011-12-28 02:22:56 C 08 31 21.03 +13 58 33.7 t 130
2011-12-28 02:25:50 C 08 31 20.93 +13 58 33.5 t 130
2011-12-28 07:43:11 C 08 31 13.29 +13 58 49.1 r 703
2011-12-28 07:52:52 C 08 31 12.86 +13 58 50.1 r 703
2011-12-28 08:02:34 C 08 31 12.54 +13 58 48.8 r 703
2011-12-28 08:12:14 C 08 31 12.25 +13 58 50.6 r 703
2011-12-28 08:15:39 C 08 31 12.06 +13 58 50.5 18.9 c 704
2011-12-28 08:34:42 C 08 31 11.54 +13 58 51.4 19.2 c 704
2011-12-28 08:53:46 C 08 31 10.80 +13 58 52.4 19.8 c 704
2011-12-28 09:13:13 C 08 31 10.20 +13 58 53.1 19.5 c 704
2011-12-28 09:21:48 C 08 31 10.02 +13 58 52.5 o 691
2011-12-28 09:47:38 C 08 31 09.16 +13 58 53.3 o 691
2011-12-28 10:13:28 C 08 31 08.34 +13 58 54.2 o 691
2012-01-04 10:37:48 C 08 24 58.96 +14 12 39.3 r G96
2012-01-04 10:48:34 C 08 24 58.42 +14 12 40.6 r G96
2012-01-04 10:59:23 C 08 24 57.85 +14 12 41.9 r G96
2012-01-04 11:10:07 C 08 24 57.34 +14 12 43.0 r G96
2012-01-05 09:03:12 C 08 23 56.96 +14 15 37.9 o 691
2012-01-05 09:28:47 C 08 23 55.56 +14 15 41.6 o 691
2012-01-05 09:54:24 C 08 23 54.19 +14 15 45.1 o 691
2012-01-14 00:46:37 C 08 12 09.24 +14 54 54.0 17.4 c J43
2012-01-14 01:06:58 C 08 12 07.75 +14 54 59.1 17.4 c J43
2012-01-14 01:27:19 C 08 12 06.22 +14 55 03.7 17.7 c J43
2012-01-14 01:47:40 C 08 12 04.85 +14 55 08.6 17.1 c J43
2012-01-14 07:41:42 C 08 11 42.07 +14 56 31.9 r 703
2012-01-14 07:51:13 C 08 11 41.38 +14 56 34.1 r 703
2012-01-14 08:00:47 C 08 11 40.77 +14 56 37.4 r 703
2012-01-14 08:10:22 C 08 11 40.09 +14 56 38.8 r 703
2012-01-15 01:41:04 C 08 10 31.81 +15 01 16.4 d 844
2012-01-15 01:47:36 C 08 10 31.37 +15 01 18.1 d 844
2012-01-15 02:17:11 C 08 10 29.20 +15 01 27.3 d 844
2012-01-20 04:41:46 C 08 02 00.74 +15 33 43.0 r 703
2012-01-20 04:48:23 C 08 02 00.27 +15 33 44.0 r 703
2012-01-20 04:54:58 C 08 01 59.77 +15 33 46.6 r 703
2012-01-20 07:14:15 C 08 01 49.00 +15 34 26.7 r G96
2012-01-20 07:25:58 C 08 01 48.10 +15 34 30.2 r G96
2012-01-20 07:37:44 C 08 01 47.20 +15 34 33.3 r G96
2012-01-20 07:49:30 C 08 01 46.27 +15 34 36.8 r G96
2012-01-20 10:33:10 C 08 01 33.70 +15 35 22.1 r G96