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
2003-10-23 04:43:35 C 03 10 48.44 +14 09 16.2 o 699
2003-10-23 05:12:22 C 03 10 46.77 +14 09 04.6 o 699
2003-10-23 05:41:16 C 03 10 45.02 +14 08 55.4 o 699
2003-10-23 06:10:03 C 03 10 43.17 +14 08 43.8 o 699
2003-10-24 07:14:16 C 03 09 14.07 +13 59 28.1 19.5 c 704
2003-10-24 07:33:10 C 03 09 12.80 +13 59 19.8 20.1 c 704
2003-10-24 07:51:41 C 03 09 11.64 +13 59 14.6 19.8 c 704
2003-10-24 08:10:09 C 03 09 10.51 +13 59 06.5 19.8 c 704
2003-10-24 08:27:45 C 03 09 09.40 +13 58 59.8 19.5 c 704
2003-10-28 06:20:38 C 03 03 13.09 +13 22 40.0 19.8 c 704
2003-10-28 06:38:36 C 03 03 11.89 +13 22 32.6 19.9 c 704
2003-10-28 06:56:51 C 03 03 10.57 +13 22 25.2 19.7 c 704
2003-10-28 07:15:10 C 03 03 09.21 +13 22 17.9 19.7 c 704
2003-10-28 07:34:33 C 03 03 07.79 +13 22 09.9 19.8 c 704
2003-11-04 20:34:28 C 02 50 29.44 +12 08 44.6 r 151
2003-11-04 20:41:13 C 02 50 28.90 +12 08 42.4 r 151
2003-11-04 20:45:20 C 02 50 28.55 +12 08 40.5 r 151
2003-11-04 20:47:51 C 02 50 28.40 +12 08 39.4 r 151
2003-11-21 05:56:24 C 02 24 13.76 +09 48 40.5 c 691
2003-11-21 06:41:59 C 02 24 11.03 +09 48 28.1 c 691
2003-11-21 07:20:28 C 02 24 08.73 +09 48 17.5 c 691
2006-07-06 08:35:29 C 23 16 10.36 -01 34 01.1 20.3 c H55
2006-07-06 08:41:53 C 23 16 10.56 -01 33 58.9 20.3 c H55
2006-07-06 08:47:50 C 23 16 10.89 -01 33 56.7 20.4 c H55
2006-07-06 08:52:23 C 23 16 11.03 -01 33 56.2 20.4 c H55
2006-08-18 07:20:28 C 23 18 19.00 -02 25 46.3 18.6 c 704
2006-08-18 07:35:50 C 23 18 18.22 -02 25 52.4 18.9 c 704
2006-08-18 07:50:46 C 23 18 17.43 -02 25 57.5 19.6 c 704
2006-08-18 08:20:42 C 23 18 16.00 -02 26 12.1 19.2 c 704
2006-08-19 09:41:16 C 23 17 04.53 -02 36 59.3 c 691
2006-08-19 10:06:16 C 23 17 03.30 -02 37 08.9 c 691
2006-08-19 10:31:19 C 23 17 01.98 -02 37 19.7 c 691
2006-08-21 06:01:02 C 23 14 54.56 -02 56 42.6 18.4 c 704
2006-08-21 06:16:39 C 23 14 53.74 -02 56 50.0 19.3 c 704
2006-08-21 06:32:28 C 23 14 52.77 -02 56 57.6 19.3 c 704
2006-08-21 06:48:15 C 23 14 51.92 -02 57 05.1 19.4 c 704
2006-08-21 07:04:09 C 23 14 51.02 -02 57 12.0 19.2 c 704
2006-08-25 06:38:16 C 23 09 42.01 -03 43 15.8 19.3 c 704
2006-08-25 06:54:47 C 23 09 40.97 -03 43 23.5 19.0 c 704
2006-08-25 07:10:53 C 23 09 39.96 -03 43 32.2 19.1 c 704
2006-08-25 07:27:00 C 23 09 38.98 -03 43 40.8 19.2 c 704
2006-08-27 07:13:44 C 23 06 53.64 -04 08 06.0 c 691
2006-08-27 07:38:43 C 23 06 52.03 -04 08 18.9 c 691
2006-08-27 08:03:43 C 23 06 50.43 -04 08 32.0 c 691
2006-08-27 08:43:34 C 23 06 47.87 -04 08 53.4 o 699
2006-08-27 09:09:47 C 23 06 46.15 -04 09 06.5 o 699
2006-08-27 09:36:00 C 23 06 44.53 -04 09 20.8 o 699
2006-08-27 10:02:11 C 23 06 42.85 -04 09 33.4 o 699
2006-08-28 07:08:56 C 23 05 28.75 -04 20 36.3 r 703
2006-08-28 07:21:55 C 23 05 27.92 -04 20 43.7 r 703