1997 AC11

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3679773069 ± 3.69e-07
Semi-major axis (a)0.9132339760 AU ± 8.74e-09
Inclination (i)31.69720129° ± 1.82e-05
Long. of Asc. Node (Ω)116.91699091° ± 2.97e-06
Arg. of Perihelion (ω)141.58454258° ± 1.64e-05
Mean Anomaly (M)275.14910926° ± 5.53e-05
Mean Motion (n)1.1293776403°/day ± 1.62e-08
Perihelion dist (q)0.57718460 AU ± 3.37e-07
Aphelion dist (Q)1.24928336 AU ± 3.37e-07
Orbital Period0.87271631 yr ± 1.25e-08
NGA Modelr2
A2-4.82290662e-14 ± 1.07e-14 AU/d²
Physical Parameters
H (abs. magnitude)20.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.433″
Uncertainty0
Orbit TypeAten
MOID0.103329 AU
Observations Used178
Oppositions4
Arc Total1997-2024
First Observation Used1997-01-10
Last Observation Used2024-12-18
Observations (186)
Date Type RA Dec Mag Band Observatory
1997-01-14 11:59:53 C 10 26 30.57 +18 49 38.3 z 658
1997-01-14 12:04:22 C 10 26 31.09 +18 50 17.1 z 658
1997-01-14 12:20:33 C 10 26 33.04 +18 52 35.5 z 658
1997-01-14 12:40:05 C 10 26 35.38 +18 55 22.1 z 658
1997-01-14 15:25:35 C 10 26 56.40 +19 19 39.7 c 566
1997-01-14 20:40:34 C 10 27 44.81 +20 05 15.5 599
1997-01-14 20:45:46 C 10 27 45.28 +20 05 53.6 599
1997-01-14 20:52:49 C 10 27 46.22 +20 06 58.8 599
1997-01-14 20:55:25 C 10 27 46.56 +20 07 22.4 599
1997-01-14 21:07:39 C 10 27 48.23 +20 09 13.1 599
1997-01-14 21:15:06 C 10 27 49.17 +20 10 18.3 599
1997-01-14 21:49:39 C 10 27 53.77 +20 15 24.1 z 587
1997-01-14 21:52:05 C 10 27 54.09 +20 15 45.2 z 587
1997-01-14 21:57:24 C 10 27 54.77 +20 16 32.4 z 587
1997-01-15 01:26:11 C 10 28 21.40 +20 47 57.1 z 473
1997-01-15 01:34:55 C 10 28 22.54 +20 49 13.2 z 473
1997-01-15 02:04:54 C 10 28 26.10 +20 53 44.9 z 118
1997-01-15 02:07:31 C 10 28 26.49 +20 54 08.6 z 118
1997-01-15 02:12:33 C 10 28 27.15 +20 54 54.1 z 118
1997-01-15 04:26:53 C 10 28 44.72 +21 15 14.9 z 046
1997-01-15 04:28:13 C 10 28 44.88 +21 15 27.6 z 046
1997-01-15 04:29:51 C 10 28 45.09 +21 15 42.5 z 046
1997-01-15 10:59:32 C 10 29 46.17 +22 16 31.8 c 566
1997-01-15 11:11:40 C 10 29 47.76 +22 18 26.7 c 566
1997-01-15 11:23:53 C 10 29 49.34 +22 20 22.4 c 566
1997-01-15 14:35:59 C 10 30 18.84 +22 50 23.0 z 402
1997-01-15 14:37:45 C 10 30 19.07 +22 50 41.5 z 402
1997-01-15 14:39:29 C 10 30 19.36 +22 50 57.3 z 402
1997-01-15 14:42:00 C 10 30 19.66 +22 51 20.4 z 402
1997-01-15 14:44:30 C 10 30 20.01 +22 51 45.5 z 402
1997-01-15 14:46:30 C 10 30 20.21 +22 52 03.6 z 402
1997-01-15 15:11:45 C 10 30 19.09 +22 56 25.8 c 566
1997-01-15 15:23:49 C 10 30 20.74 +22 58 21.0 c 566
1997-01-15 15:35:58 C 10 30 22.36 +23 00 16.6 c 566
1997-01-15 23:48:00 C 10 31 43.20 +24 19 43.8 z 108
1997-01-15 23:50:45 C 10 31 43.64 +24 20 12.7 z 108
1997-01-16 04:03:19 C 10 32 20.28 +25 02 06.9 z 046
1997-01-16 04:04:24 C 10 32 20.44 +25 02 17.9 z 046
1997-01-16 04:05:27 C 10 32 20.63 +25 02 28.5 z 046
1997-01-16 14:52:15 C 10 34 13.60 +26 53 24.1 z 402
1997-01-16 14:53:45 C 10 34 13.84 +26 53 39.4 z 402
1997-01-16 14:55:14 C 10 34 14.08 +26 53 55.0 z 402
1997-01-16 22:20:54 C 10 35 32.99 +28 12 35.0 z 587
1997-01-16 22:27:29 C 10 35 34.08 +28 13 46.2 z 587
1997-01-17 00:19:39 C 10 35 52.76 +28 34 04.2 z 046
1997-01-17 00:20:39 C 10 35 52.91 +28 34 14.7 z 046
1997-01-17 00:22:27 C 10 35 53.22 +28 34 34.4 z 046
1997-01-17 01:26:47 C 10 36 04.14 +28 46 18.9 z 473
1997-01-17 01:34:07 C 10 36 05.34 +28 47 38.6 z 473
1997-01-17 01:44:36 C 10 36 07.28 +28 49 33.3 z 473